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| commit_table |
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| <article class="md-content__inner md-typeset"> |
| |
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| |
| <h1>sql</h1> |
| |
| <div class="doc doc-object doc-module"> |
| |
| |
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| <a id="pyiceberg.catalog.sql"></a> |
| <div class="doc doc-contents first"> |
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| <div class="doc doc-children"> |
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| <div class="doc doc-object doc-class"> |
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| <h2 id="pyiceberg.catalog.sql.SqlCatalog" class="doc doc-heading"> |
| <code>SqlCatalog</code> |
| |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog" class="headerlink" title="Permanent link">¶</a></h2> |
| |
| |
| <div class="doc doc-contents "> |
| <p class="doc doc-class-bases"> |
| Bases: <code><a class="autorefs autorefs-internal" title="MetastoreCatalog (pyiceberg.catalog.MetastoreCatalog)" href="../#pyiceberg.catalog.MetastoreCatalog">MetastoreCatalog</a></code></p> |
| |
| |
| <p>Implementation of a SQL based catalog.</p> |
| <p>In the <code>JDBCCatalog</code> implementation, a <code>Namespace</code> is composed of a list of strings separated by dots: <code>'ns1.ns2.ns3'</code>. |
| And you can have as many levels as you want, but you need at least one. The <code>SqlCatalog</code> honors the same convention.</p> |
| <p>In the <code>JDBCCatalog</code> implementation, a <code>TableIdentifier</code> is composed of an optional <code>Namespace</code> and a table name. |
| When a <code>Namespace</code> is present, the full name will be <code>'ns1.ns2.ns3.table'</code>. A valid <code>TableIdentifier</code> could be <code>'name'</code> (no namespace). |
| The <code>SqlCatalog</code> has a different convention where a <code>TableIdentifier</code> requires a <code>Namespace</code>.</p> |
| |
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| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-109">109</a></span> |
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| <span class="normal"><a href="#__codelineno-0-621">621</a></span> |
| <span class="normal"><a href="#__codelineno-0-622">622</a></span> |
| <span class="normal"><a href="#__codelineno-0-623">623</a></span> |
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| <span class="normal"><a href="#__codelineno-0-669">669</a></span> |
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| <span class="normal"><a href="#__codelineno-0-730">730</a></span> |
| <span class="normal"><a href="#__codelineno-0-731">731</a></span> |
| <span class="normal"><a href="#__codelineno-0-732">732</a></span> |
| <span class="normal"><a href="#__codelineno-0-733">733</a></span> |
| <span class="normal"><a href="#__codelineno-0-734">734</a></span> |
| <span class="normal"><a href="#__codelineno-0-735">735</a></span> |
| <span class="normal"><a href="#__codelineno-0-736">736</a></span> |
| <span class="normal"><a href="#__codelineno-0-737">737</a></span> |
| <span class="normal"><a href="#__codelineno-0-738">738</a></span> |
| <span class="normal"><a href="#__codelineno-0-739">739</a></span> |
| <span class="normal"><a href="#__codelineno-0-740">740</a></span> |
| <span class="normal"><a href="#__codelineno-0-741">741</a></span> |
| <span class="normal"><a href="#__codelineno-0-742">742</a></span> |
| <span class="normal"><a href="#__codelineno-0-743">743</a></span> |
| <span class="normal"><a href="#__codelineno-0-744">744</a></span> |
| <span class="normal"><a href="#__codelineno-0-745">745</a></span> |
| <span class="normal"><a href="#__codelineno-0-746">746</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-109" name="__codelineno-0-109"></a><span class="k">class</span><span class="w"> </span><span class="nc">SqlCatalog</span><span class="p">(</span><span class="n">MetastoreCatalog</span><span class="p">):</span> |
| <a id="__codelineno-0-110" name="__codelineno-0-110"></a><span class="w"> </span><span class="sd">"""Implementation of a SQL based catalog.</span> |
| <a id="__codelineno-0-111" name="__codelineno-0-111"></a> |
| <a id="__codelineno-0-112" name="__codelineno-0-112"></a><span class="sd"> In the `JDBCCatalog` implementation, a `Namespace` is composed of a list of strings separated by dots: `'ns1.ns2.ns3'`.</span> |
| <a id="__codelineno-0-113" name="__codelineno-0-113"></a><span class="sd"> And you can have as many levels as you want, but you need at least one. The `SqlCatalog` honors the same convention.</span> |
| <a id="__codelineno-0-114" name="__codelineno-0-114"></a> |
| <a id="__codelineno-0-115" name="__codelineno-0-115"></a><span class="sd"> In the `JDBCCatalog` implementation, a `TableIdentifier` is composed of an optional `Namespace` and a table name.</span> |
| <a id="__codelineno-0-116" name="__codelineno-0-116"></a><span class="sd"> When a `Namespace` is present, the full name will be `'ns1.ns2.ns3.table'`. A valid `TableIdentifier` could be `'name'` (no namespace).</span> |
| <a id="__codelineno-0-117" name="__codelineno-0-117"></a><span class="sd"> The `SqlCatalog` has a different convention where a `TableIdentifier` requires a `Namespace`.</span> |
| <a id="__codelineno-0-118" name="__codelineno-0-118"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-119" name="__codelineno-0-119"></a> |
| <a id="__codelineno-0-120" name="__codelineno-0-120"></a> <span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">properties</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span> |
| <a id="__codelineno-0-121" name="__codelineno-0-121"></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="o">**</span><span class="n">properties</span><span class="p">)</span> |
| <a id="__codelineno-0-122" name="__codelineno-0-122"></a> |
| <a id="__codelineno-0-123" name="__codelineno-0-123"></a> <span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">uri_prop</span> <span class="o">:=</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">URI</span><span class="p">)):</span> |
| <a id="__codelineno-0-124" name="__codelineno-0-124"></a> <span class="k">raise</span> <span class="n">NoSuchPropertyException</span><span class="p">(</span><span class="s2">"SQL connection URI is required"</span><span class="p">)</span> |
| <a id="__codelineno-0-125" name="__codelineno-0-125"></a> |
| <a id="__codelineno-0-126" name="__codelineno-0-126"></a> <span class="n">echo_str</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"echo"</span><span class="p">,</span> <span class="n">DEFAULT_ECHO_VALUE</span><span class="p">))</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> |
| <a id="__codelineno-0-127" name="__codelineno-0-127"></a> <span class="n">echo</span> <span class="o">=</span> <span class="n">strtobool</span><span class="p">(</span><span class="n">echo_str</span><span class="p">)</span> <span class="k">if</span> <span class="n">echo_str</span> <span class="o">!=</span> <span class="s2">"debug"</span> <span class="k">else</span> <span class="s2">"debug"</span> |
| <a id="__codelineno-0-128" name="__codelineno-0-128"></a> <span class="n">pool_pre_ping</span> <span class="o">=</span> <span class="n">strtobool</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pool_pre_ping"</span><span class="p">,</span> <span class="n">DEFAULT_POOL_PRE_PING_VALUE</span><span class="p">))</span> |
| <a id="__codelineno-0-129" name="__codelineno-0-129"></a> <span class="n">init_catalog_tables</span> <span class="o">=</span> <span class="n">strtobool</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"init_catalog_tables"</span><span class="p">,</span> <span class="n">DEFAULT_INIT_CATALOG_TABLES</span><span class="p">))</span> |
| <a id="__codelineno-0-130" name="__codelineno-0-130"></a> |
| <a id="__codelineno-0-131" name="__codelineno-0-131"></a> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span> <span class="o">=</span> <span class="n">create_engine</span><span class="p">(</span><span class="n">uri_prop</span><span class="p">,</span> <span class="n">echo</span><span class="o">=</span><span class="n">echo</span><span class="p">,</span> <span class="n">pool_pre_ping</span><span class="o">=</span><span class="n">pool_pre_ping</span><span class="p">)</span> |
| <a id="__codelineno-0-132" name="__codelineno-0-132"></a> |
| <a id="__codelineno-0-133" name="__codelineno-0-133"></a> <span class="k">if</span> <span class="n">init_catalog_tables</span><span class="p">:</span> |
| <a id="__codelineno-0-134" name="__codelineno-0-134"></a> <span class="bp">self</span><span class="o">.</span><span class="n">_ensure_tables_exist</span><span class="p">()</span> |
| <a id="__codelineno-0-135" name="__codelineno-0-135"></a> |
| <a id="__codelineno-0-136" name="__codelineno-0-136"></a> <span class="k">def</span><span class="w"> </span><span class="nf">_ensure_tables_exist</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-137" name="__codelineno-0-137"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-138" name="__codelineno-0-138"></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="p">[</span><span class="n">IcebergTables</span><span class="p">,</span> <span class="n">IcebergNamespaceProperties</span><span class="p">]:</span> |
| <a id="__codelineno-0-139" name="__codelineno-0-139"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span><span class="o">.</span><span class="n">select_from</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> |
| <a id="__codelineno-0-140" name="__codelineno-0-140"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-141" name="__codelineno-0-141"></a> <span class="n">session</span><span class="o">.</span><span class="n">scalar</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-142" name="__codelineno-0-142"></a> <span class="k">except</span> <span class="p">(</span> |
| <a id="__codelineno-0-143" name="__codelineno-0-143"></a> <span class="n">OperationalError</span><span class="p">,</span> |
| <a id="__codelineno-0-144" name="__codelineno-0-144"></a> <span class="n">ProgrammingError</span><span class="p">,</span> |
| <a id="__codelineno-0-145" name="__codelineno-0-145"></a> <span class="p">):</span> <span class="c1"># sqlalchemy returns OperationalError in case of sqlite and ProgrammingError with postgres.</span> |
| <a id="__codelineno-0-146" name="__codelineno-0-146"></a> <span class="bp">self</span><span class="o">.</span><span class="n">create_tables</span><span class="p">()</span> |
| <a id="__codelineno-0-147" name="__codelineno-0-147"></a> <span class="k">return</span> |
| <a id="__codelineno-0-148" name="__codelineno-0-148"></a> |
| <a id="__codelineno-0-149" name="__codelineno-0-149"></a> <span class="k">def</span><span class="w"> </span><span class="nf">create_tables</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-150" name="__codelineno-0-150"></a> <span class="n">SqlCatalogBaseTable</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">create_all</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> |
| <a id="__codelineno-0-151" name="__codelineno-0-151"></a> |
| <a id="__codelineno-0-152" name="__codelineno-0-152"></a> <span class="k">def</span><span class="w"> </span><span class="nf">destroy_tables</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-153" name="__codelineno-0-153"></a> <span class="n">SqlCatalogBaseTable</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">drop_all</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> |
| <a id="__codelineno-0-154" name="__codelineno-0-154"></a> |
| <a id="__codelineno-0-155" name="__codelineno-0-155"></a> <span class="k">def</span><span class="w"> </span><span class="nf">_convert_orm_to_iceberg</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">orm_table</span><span class="p">:</span> <span class="n">IcebergTables</span><span class="p">)</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-156" name="__codelineno-0-156"></a> <span class="c1"># Check for expected properties.</span> |
| <a id="__codelineno-0-157" name="__codelineno-0-157"></a> <span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">metadata_location</span> <span class="o">:=</span> <span class="n">orm_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">):</span> |
| <a id="__codelineno-0-158" name="__codelineno-0-158"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table property </span><span class="si">{</span><span class="n">METADATA_LOCATION</span><span class="si">}</span><span class="s2"> is missing"</span><span class="p">)</span> |
| <a id="__codelineno-0-159" name="__codelineno-0-159"></a> <span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">table_namespace</span> <span class="o">:=</span> <span class="n">orm_table</span><span class="o">.</span><span class="n">table_namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-160" name="__codelineno-0-160"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table property </span><span class="si">{</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span><span class="si">}</span><span class="s2"> is missing"</span><span class="p">)</span> |
| <a id="__codelineno-0-161" name="__codelineno-0-161"></a> <span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">table_name</span> <span class="o">:=</span> <span class="n">orm_table</span><span class="o">.</span><span class="n">table_name</span><span class="p">):</span> |
| <a id="__codelineno-0-162" name="__codelineno-0-162"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table property </span><span class="si">{</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span><span class="si">}</span><span class="s2"> is missing"</span><span class="p">)</span> |
| <a id="__codelineno-0-163" name="__codelineno-0-163"></a> |
| <a id="__codelineno-0-164" name="__codelineno-0-164"></a> <span class="n">io</span> <span class="o">=</span> <span class="n">load_file_io</span><span class="p">(</span><span class="n">properties</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">,</span> <span class="n">location</span><span class="o">=</span><span class="n">metadata_location</span><span class="p">)</span> |
| <a id="__codelineno-0-165" name="__codelineno-0-165"></a> <span class="n">file</span> <span class="o">=</span> <span class="n">io</span><span class="o">.</span><span class="n">new_input</span><span class="p">(</span><span class="n">metadata_location</span><span class="p">)</span> |
| <a id="__codelineno-0-166" name="__codelineno-0-166"></a> <span class="n">metadata</span> <span class="o">=</span> <span class="n">FromInputFile</span><span class="o">.</span><span class="n">table_metadata</span><span class="p">(</span><span class="n">file</span><span class="p">)</span> |
| <a id="__codelineno-0-167" name="__codelineno-0-167"></a> <span class="k">return</span> <span class="n">Table</span><span class="p">(</span> |
| <a id="__codelineno-0-168" name="__codelineno-0-168"></a> <span class="n">identifier</span><span class="o">=</span><span class="n">Catalog</span><span class="o">.</span><span class="n">identifier_to_tuple</span><span class="p">(</span><span class="n">table_namespace</span><span class="p">)</span> <span class="o">+</span> <span class="p">(</span><span class="n">table_name</span><span class="p">,),</span> |
| <a id="__codelineno-0-169" name="__codelineno-0-169"></a> <span class="n">metadata</span><span class="o">=</span><span class="n">metadata</span><span class="p">,</span> |
| <a id="__codelineno-0-170" name="__codelineno-0-170"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-171" name="__codelineno-0-171"></a> <span class="n">io</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_load_file_io</span><span class="p">(</span><span class="n">metadata</span><span class="o">.</span><span class="n">properties</span><span class="p">,</span> <span class="n">metadata_location</span><span class="p">),</span> |
| <a id="__codelineno-0-172" name="__codelineno-0-172"></a> <span class="n">catalog</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> |
| <a id="__codelineno-0-173" name="__codelineno-0-173"></a> <span class="p">)</span> |
| <a id="__codelineno-0-174" name="__codelineno-0-174"></a> |
| <a id="__codelineno-0-175" name="__codelineno-0-175"></a> <span class="k">def</span><span class="w"> </span><span class="nf">create_table</span><span class="p">(</span> |
| <a id="__codelineno-0-176" name="__codelineno-0-176"></a> <span class="bp">self</span><span class="p">,</span> |
| <a id="__codelineno-0-177" name="__codelineno-0-177"></a> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> |
| <a id="__codelineno-0-178" name="__codelineno-0-178"></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">Schema</span><span class="p">,</span> <span class="s2">"pa.Schema"</span><span class="p">],</span> |
| <a id="__codelineno-0-179" name="__codelineno-0-179"></a> <span class="n">location</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> |
| <a id="__codelineno-0-180" name="__codelineno-0-180"></a> <span class="n">partition_spec</span><span class="p">:</span> <span class="n">PartitionSpec</span> <span class="o">=</span> <span class="n">UNPARTITIONED_PARTITION_SPEC</span><span class="p">,</span> |
| <a id="__codelineno-0-181" name="__codelineno-0-181"></a> <span class="n">sort_order</span><span class="p">:</span> <span class="n">SortOrder</span> <span class="o">=</span> <span class="n">UNSORTED_SORT_ORDER</span><span class="p">,</span> |
| <a id="__codelineno-0-182" name="__codelineno-0-182"></a> <span class="n">properties</span><span class="p">:</span> <span class="n">Properties</span> <span class="o">=</span> <span class="n">EMPTY_DICT</span><span class="p">,</span> |
| <a id="__codelineno-0-183" name="__codelineno-0-183"></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-184" name="__codelineno-0-184"></a><span class="w"> </span><span class="sd">"""</span> |
| <a id="__codelineno-0-185" name="__codelineno-0-185"></a><span class="sd"> Create an Iceberg table.</span> |
| <a id="__codelineno-0-186" name="__codelineno-0-186"></a> |
| <a id="__codelineno-0-187" name="__codelineno-0-187"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-188" name="__codelineno-0-188"></a><span class="sd"> identifier: Table identifier.</span> |
| <a id="__codelineno-0-189" name="__codelineno-0-189"></a><span class="sd"> schema: Table's schema.</span> |
| <a id="__codelineno-0-190" name="__codelineno-0-190"></a><span class="sd"> location: Location for the table. Optional Argument.</span> |
| <a id="__codelineno-0-191" name="__codelineno-0-191"></a><span class="sd"> partition_spec: PartitionSpec for the table.</span> |
| <a id="__codelineno-0-192" name="__codelineno-0-192"></a><span class="sd"> sort_order: SortOrder for the table.</span> |
| <a id="__codelineno-0-193" name="__codelineno-0-193"></a><span class="sd"> properties: Table properties that can be a string based dictionary.</span> |
| <a id="__codelineno-0-194" name="__codelineno-0-194"></a> |
| <a id="__codelineno-0-195" name="__codelineno-0-195"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-196" name="__codelineno-0-196"></a><span class="sd"> Table: the created table instance.</span> |
| <a id="__codelineno-0-197" name="__codelineno-0-197"></a> |
| <a id="__codelineno-0-198" name="__codelineno-0-198"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-199" name="__codelineno-0-199"></a><span class="sd"> AlreadyExistsError: If a table with the name already exists.</span> |
| <a id="__codelineno-0-200" name="__codelineno-0-200"></a><span class="sd"> ValueError: If the identifier is invalid, or no path is given to store metadata.</span> |
| <a id="__codelineno-0-201" name="__codelineno-0-201"></a> |
| <a id="__codelineno-0-202" name="__codelineno-0-202"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-203" name="__codelineno-0-203"></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_convert_schema_if_needed</span><span class="p">(</span> <span class="c1"># type: ignore</span> |
| <a id="__codelineno-0-204" name="__codelineno-0-204"></a> <span class="n">schema</span><span class="p">,</span> |
| <a id="__codelineno-0-205" name="__codelineno-0-205"></a> <span class="nb">int</span><span class="p">(</span><span class="n">properties</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">TableProperties</span><span class="o">.</span><span class="n">FORMAT_VERSION</span><span class="p">,</span> <span class="n">TableProperties</span><span class="o">.</span><span class="n">DEFAULT_FORMAT_VERSION</span><span class="p">)),</span> <span class="c1"># type: ignore</span> |
| <a id="__codelineno-0-206" name="__codelineno-0-206"></a> <span class="p">)</span> |
| <a id="__codelineno-0-207" name="__codelineno-0-207"></a> |
| <a id="__codelineno-0-208" name="__codelineno-0-208"></a> <span class="n">namespace_identifier</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-209" name="__codelineno-0-209"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-210" name="__codelineno-0-210"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace_identifier</span><span class="p">):</span> |
| <a id="__codelineno-0-211" name="__codelineno-0-211"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace_identifier</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-212" name="__codelineno-0-212"></a> |
| <a id="__codelineno-0-213" name="__codelineno-0-213"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-214" name="__codelineno-0-214"></a> <span class="n">location</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_resolve_table_location</span><span class="p">(</span><span class="n">location</span><span class="p">,</span> <span class="n">namespace</span><span class="p">,</span> <span class="n">table_name</span><span class="p">)</span> |
| <a id="__codelineno-0-215" name="__codelineno-0-215"></a> <span class="n">location_provider</span> <span class="o">=</span> <span class="n">load_location_provider</span><span class="p">(</span><span class="n">table_location</span><span class="o">=</span><span class="n">location</span><span class="p">,</span> <span class="n">table_properties</span><span class="o">=</span><span class="n">properties</span><span class="p">)</span> |
| <a id="__codelineno-0-216" name="__codelineno-0-216"></a> <span class="n">metadata_location</span> <span class="o">=</span> <span class="n">location_provider</span><span class="o">.</span><span class="n">new_table_metadata_file_location</span><span class="p">()</span> |
| <a id="__codelineno-0-217" name="__codelineno-0-217"></a> <span class="n">metadata</span> <span class="o">=</span> <span class="n">new_table_metadata</span><span class="p">(</span> |
| <a id="__codelineno-0-218" name="__codelineno-0-218"></a> <span class="n">location</span><span class="o">=</span><span class="n">location</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">partition_spec</span><span class="o">=</span><span class="n">partition_spec</span><span class="p">,</span> <span class="n">sort_order</span><span class="o">=</span><span class="n">sort_order</span><span class="p">,</span> <span class="n">properties</span><span class="o">=</span><span class="n">properties</span> |
| <a id="__codelineno-0-219" name="__codelineno-0-219"></a> <span class="p">)</span> |
| <a id="__codelineno-0-220" name="__codelineno-0-220"></a> <span class="n">io</span> <span class="o">=</span> <span class="n">load_file_io</span><span class="p">(</span><span class="n">properties</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">,</span> <span class="n">location</span><span class="o">=</span><span class="n">metadata_location</span><span class="p">)</span> |
| <a id="__codelineno-0-221" name="__codelineno-0-221"></a> <span class="bp">self</span><span class="o">.</span><span class="n">_write_metadata</span><span class="p">(</span><span class="n">metadata</span><span class="p">,</span> <span class="n">io</span><span class="p">,</span> <span class="n">metadata_location</span><span class="p">)</span> |
| <a id="__codelineno-0-222" name="__codelineno-0-222"></a> |
| <a id="__codelineno-0-223" name="__codelineno-0-223"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-224" name="__codelineno-0-224"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-225" name="__codelineno-0-225"></a> <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> |
| <a id="__codelineno-0-226" name="__codelineno-0-226"></a> <span class="n">IcebergTables</span><span class="p">(</span> |
| <a id="__codelineno-0-227" name="__codelineno-0-227"></a> <span class="n">catalog_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-228" name="__codelineno-0-228"></a> <span class="n">table_namespace</span><span class="o">=</span><span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-229" name="__codelineno-0-229"></a> <span class="n">table_name</span><span class="o">=</span><span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-230" name="__codelineno-0-230"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-231" name="__codelineno-0-231"></a> <span class="n">previous_metadata_location</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <a id="__codelineno-0-232" name="__codelineno-0-232"></a> <span class="p">)</span> |
| <a id="__codelineno-0-233" name="__codelineno-0-233"></a> <span class="p">)</span> |
| <a id="__codelineno-0-234" name="__codelineno-0-234"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-235" name="__codelineno-0-235"></a> <span class="k">except</span> <span class="n">IntegrityError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-236" name="__codelineno-0-236"></a> <span class="k">raise</span> <span class="n">TableAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-237" name="__codelineno-0-237"></a> |
| <a id="__codelineno-0-238" name="__codelineno-0-238"></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_table</span><span class="p">(</span><span class="n">identifier</span><span class="o">=</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-239" name="__codelineno-0-239"></a> |
| <a id="__codelineno-0-240" name="__codelineno-0-240"></a> <span class="k">def</span><span class="w"> </span><span class="nf">register_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> <span class="n">metadata_location</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-241" name="__codelineno-0-241"></a><span class="w"> </span><span class="sd">"""Register a new table using existing metadata.</span> |
| <a id="__codelineno-0-242" name="__codelineno-0-242"></a> |
| <a id="__codelineno-0-243" name="__codelineno-0-243"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-244" name="__codelineno-0-244"></a><span class="sd"> identifier (Union[str, Identifier]): Table identifier for the table</span> |
| <a id="__codelineno-0-245" name="__codelineno-0-245"></a><span class="sd"> metadata_location (str): The location to the metadata</span> |
| <a id="__codelineno-0-246" name="__codelineno-0-246"></a> |
| <a id="__codelineno-0-247" name="__codelineno-0-247"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-248" name="__codelineno-0-248"></a><span class="sd"> Table: The newly registered table</span> |
| <a id="__codelineno-0-249" name="__codelineno-0-249"></a> |
| <a id="__codelineno-0-250" name="__codelineno-0-250"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-251" name="__codelineno-0-251"></a><span class="sd"> TableAlreadyExistsError: If the table already exists</span> |
| <a id="__codelineno-0-252" name="__codelineno-0-252"></a><span class="sd"> NoSuchNamespaceError: If namespace does not exist</span> |
| <a id="__codelineno-0-253" name="__codelineno-0-253"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-254" name="__codelineno-0-254"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-255" name="__codelineno-0-255"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-256" name="__codelineno-0-256"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-257" name="__codelineno-0-257"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-258" name="__codelineno-0-258"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-259" name="__codelineno-0-259"></a> |
| <a id="__codelineno-0-260" name="__codelineno-0-260"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-261" name="__codelineno-0-261"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-262" name="__codelineno-0-262"></a> <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> |
| <a id="__codelineno-0-263" name="__codelineno-0-263"></a> <span class="n">IcebergTables</span><span class="p">(</span> |
| <a id="__codelineno-0-264" name="__codelineno-0-264"></a> <span class="n">catalog_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-265" name="__codelineno-0-265"></a> <span class="n">table_namespace</span><span class="o">=</span><span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-266" name="__codelineno-0-266"></a> <span class="n">table_name</span><span class="o">=</span><span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-267" name="__codelineno-0-267"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-268" name="__codelineno-0-268"></a> <span class="n">previous_metadata_location</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <a id="__codelineno-0-269" name="__codelineno-0-269"></a> <span class="p">)</span> |
| <a id="__codelineno-0-270" name="__codelineno-0-270"></a> <span class="p">)</span> |
| <a id="__codelineno-0-271" name="__codelineno-0-271"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-272" name="__codelineno-0-272"></a> <span class="k">except</span> <span class="n">IntegrityError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-273" name="__codelineno-0-273"></a> <span class="k">raise</span> <span class="n">TableAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-274" name="__codelineno-0-274"></a> |
| <a id="__codelineno-0-275" name="__codelineno-0-275"></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_table</span><span class="p">(</span><span class="n">identifier</span><span class="o">=</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-276" name="__codelineno-0-276"></a> |
| <a id="__codelineno-0-277" name="__codelineno-0-277"></a> <span class="k">def</span><span class="w"> </span><span class="nf">load_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-278" name="__codelineno-0-278"></a><span class="w"> </span><span class="sd">"""Load the table's metadata and return the table instance.</span> |
| <a id="__codelineno-0-279" name="__codelineno-0-279"></a> |
| <a id="__codelineno-0-280" name="__codelineno-0-280"></a><span class="sd"> You can also use this method to check for table existence using 'try catalog.table() except NoSuchTableError'.</span> |
| <a id="__codelineno-0-281" name="__codelineno-0-281"></a><span class="sd"> Note: This method doesn't scan data stored in the table.</span> |
| <a id="__codelineno-0-282" name="__codelineno-0-282"></a> |
| <a id="__codelineno-0-283" name="__codelineno-0-283"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-284" name="__codelineno-0-284"></a><span class="sd"> identifier (str | Identifier): Table identifier.</span> |
| <a id="__codelineno-0-285" name="__codelineno-0-285"></a> |
| <a id="__codelineno-0-286" name="__codelineno-0-286"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-287" name="__codelineno-0-287"></a><span class="sd"> Table: the table instance with its metadata.</span> |
| <a id="__codelineno-0-288" name="__codelineno-0-288"></a> |
| <a id="__codelineno-0-289" name="__codelineno-0-289"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-290" name="__codelineno-0-290"></a><span class="sd"> NoSuchTableError: If a table with the name does not exist.</span> |
| <a id="__codelineno-0-291" name="__codelineno-0-291"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-292" name="__codelineno-0-292"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-293" name="__codelineno-0-293"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-294" name="__codelineno-0-294"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-295" name="__codelineno-0-295"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-296" name="__codelineno-0-296"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-297" name="__codelineno-0-297"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-298" name="__codelineno-0-298"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-299" name="__codelineno-0-299"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-300" name="__codelineno-0-300"></a> <span class="p">)</span> |
| <a id="__codelineno-0-301" name="__codelineno-0-301"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">scalar</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-302" name="__codelineno-0-302"></a> <span class="k">if</span> <span class="n">result</span><span class="p">:</span> |
| <a id="__codelineno-0-303" name="__codelineno-0-303"></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_convert_orm_to_iceberg</span><span class="p">(</span><span class="n">result</span><span class="p">)</span> |
| <a id="__codelineno-0-304" name="__codelineno-0-304"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-305" name="__codelineno-0-305"></a> |
| <a id="__codelineno-0-306" name="__codelineno-0-306"></a> <span class="k">def</span><span class="w"> </span><span class="nf">drop_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-307" name="__codelineno-0-307"></a><span class="w"> </span><span class="sd">"""Drop a table.</span> |
| <a id="__codelineno-0-308" name="__codelineno-0-308"></a> |
| <a id="__codelineno-0-309" name="__codelineno-0-309"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-310" name="__codelineno-0-310"></a><span class="sd"> identifier (str | Identifier): Table identifier.</span> |
| <a id="__codelineno-0-311" name="__codelineno-0-311"></a> |
| <a id="__codelineno-0-312" name="__codelineno-0-312"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-313" name="__codelineno-0-313"></a><span class="sd"> NoSuchTableError: If a table with the name does not exist.</span> |
| <a id="__codelineno-0-314" name="__codelineno-0-314"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-315" name="__codelineno-0-315"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-316" name="__codelineno-0-316"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-317" name="__codelineno-0-317"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-318" name="__codelineno-0-318"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-319" name="__codelineno-0-319"></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">dialect</span><span class="o">.</span><span class="n">supports_sane_rowcount</span><span class="p">:</span> |
| <a id="__codelineno-0-320" name="__codelineno-0-320"></a> <span class="n">res</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span> |
| <a id="__codelineno-0-321" name="__codelineno-0-321"></a> <span class="n">delete</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-322" name="__codelineno-0-322"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-323" name="__codelineno-0-323"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-324" name="__codelineno-0-324"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-325" name="__codelineno-0-325"></a> <span class="p">)</span> |
| <a id="__codelineno-0-326" name="__codelineno-0-326"></a> <span class="p">)</span> |
| <a id="__codelineno-0-327" name="__codelineno-0-327"></a> <span class="k">if</span> <span class="n">res</span><span class="o">.</span><span class="n">rowcount</span> <span class="o"><</span> <span class="mi">1</span><span class="p">:</span> |
| <a id="__codelineno-0-328" name="__codelineno-0-328"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-329" name="__codelineno-0-329"></a> <span class="k">else</span><span class="p">:</span> |
| <a id="__codelineno-0-330" name="__codelineno-0-330"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-331" name="__codelineno-0-331"></a> <span class="n">tbl</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-332" name="__codelineno-0-332"></a> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-333" name="__codelineno-0-333"></a> <span class="o">.</span><span class="n">with_for_update</span><span class="p">(</span><span class="n">of</span><span class="o">=</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-334" name="__codelineno-0-334"></a> <span class="o">.</span><span class="n">filter</span><span class="p">(</span> |
| <a id="__codelineno-0-335" name="__codelineno-0-335"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-336" name="__codelineno-0-336"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-337" name="__codelineno-0-337"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-338" name="__codelineno-0-338"></a> <span class="p">)</span> |
| <a id="__codelineno-0-339" name="__codelineno-0-339"></a> <span class="o">.</span><span class="n">one</span><span class="p">()</span> |
| <a id="__codelineno-0-340" name="__codelineno-0-340"></a> <span class="p">)</span> |
| <a id="__codelineno-0-341" name="__codelineno-0-341"></a> <span class="n">session</span><span class="o">.</span><span class="n">delete</span><span class="p">(</span><span class="n">tbl</span><span class="p">)</span> |
| <a id="__codelineno-0-342" name="__codelineno-0-342"></a> <span class="k">except</span> <span class="n">NoResultFound</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-343" name="__codelineno-0-343"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-344" name="__codelineno-0-344"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-345" name="__codelineno-0-345"></a> |
| <a id="__codelineno-0-346" name="__codelineno-0-346"></a> <span class="k">def</span><span class="w"> </span><span class="nf">rename_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">from_identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> <span class="n">to_identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-347" name="__codelineno-0-347"></a><span class="w"> </span><span class="sd">"""Rename a fully classified table name.</span> |
| <a id="__codelineno-0-348" name="__codelineno-0-348"></a> |
| <a id="__codelineno-0-349" name="__codelineno-0-349"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-350" name="__codelineno-0-350"></a><span class="sd"> from_identifier (str | Identifier): Existing table identifier.</span> |
| <a id="__codelineno-0-351" name="__codelineno-0-351"></a><span class="sd"> to_identifier (str | Identifier): New table identifier.</span> |
| <a id="__codelineno-0-352" name="__codelineno-0-352"></a> |
| <a id="__codelineno-0-353" name="__codelineno-0-353"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-354" name="__codelineno-0-354"></a><span class="sd"> Table: the updated table instance with its metadata.</span> |
| <a id="__codelineno-0-355" name="__codelineno-0-355"></a> |
| <a id="__codelineno-0-356" name="__codelineno-0-356"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-357" name="__codelineno-0-357"></a><span class="sd"> NoSuchTableError: If a table with the name does not exist.</span> |
| <a id="__codelineno-0-358" name="__codelineno-0-358"></a><span class="sd"> TableAlreadyExistsError: If a table with the new name already exist.</span> |
| <a id="__codelineno-0-359" name="__codelineno-0-359"></a><span class="sd"> NoSuchNamespaceError: If the target namespace does not exist.</span> |
| <a id="__codelineno-0-360" name="__codelineno-0-360"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-361" name="__codelineno-0-361"></a> <span class="n">from_namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">from_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-362" name="__codelineno-0-362"></a> <span class="n">from_namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">from_namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-363" name="__codelineno-0-363"></a> <span class="n">from_table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">from_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-364" name="__codelineno-0-364"></a> <span class="n">to_namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">to_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-365" name="__codelineno-0-365"></a> <span class="n">to_namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">to_namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-366" name="__codelineno-0-366"></a> <span class="n">to_table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">to_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-367" name="__codelineno-0-367"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">to_namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-368" name="__codelineno-0-368"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">to_namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-369" name="__codelineno-0-369"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-370" name="__codelineno-0-370"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-371" name="__codelineno-0-371"></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">dialect</span><span class="o">.</span><span class="n">supports_sane_rowcount</span><span class="p">:</span> |
| <a id="__codelineno-0-372" name="__codelineno-0-372"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-373" name="__codelineno-0-373"></a> <span class="n">update</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-374" name="__codelineno-0-374"></a> <span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-375" name="__codelineno-0-375"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-376" name="__codelineno-0-376"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">from_namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-377" name="__codelineno-0-377"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">from_table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-378" name="__codelineno-0-378"></a> <span class="p">)</span> |
| <a id="__codelineno-0-379" name="__codelineno-0-379"></a> <span class="o">.</span><span class="n">values</span><span class="p">(</span><span class="n">table_namespace</span><span class="o">=</span><span class="n">to_namespace</span><span class="p">,</span> <span class="n">table_name</span><span class="o">=</span><span class="n">to_table_name</span><span class="p">)</span> |
| <a id="__codelineno-0-380" name="__codelineno-0-380"></a> <span class="p">)</span> |
| <a id="__codelineno-0-381" name="__codelineno-0-381"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-382" name="__codelineno-0-382"></a> <span class="k">if</span> <span class="n">result</span><span class="o">.</span><span class="n">rowcount</span> <span class="o"><</span> <span class="mi">1</span><span class="p">:</span> |
| <a id="__codelineno-0-383" name="__codelineno-0-383"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">from_table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-384" name="__codelineno-0-384"></a> <span class="k">else</span><span class="p">:</span> |
| <a id="__codelineno-0-385" name="__codelineno-0-385"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-386" name="__codelineno-0-386"></a> <span class="n">tbl</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-387" name="__codelineno-0-387"></a> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-388" name="__codelineno-0-388"></a> <span class="o">.</span><span class="n">with_for_update</span><span class="p">(</span><span class="n">of</span><span class="o">=</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-389" name="__codelineno-0-389"></a> <span class="o">.</span><span class="n">filter</span><span class="p">(</span> |
| <a id="__codelineno-0-390" name="__codelineno-0-390"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-391" name="__codelineno-0-391"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">from_namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-392" name="__codelineno-0-392"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">from_table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-393" name="__codelineno-0-393"></a> <span class="p">)</span> |
| <a id="__codelineno-0-394" name="__codelineno-0-394"></a> <span class="o">.</span><span class="n">one</span><span class="p">()</span> |
| <a id="__codelineno-0-395" name="__codelineno-0-395"></a> <span class="p">)</span> |
| <a id="__codelineno-0-396" name="__codelineno-0-396"></a> <span class="n">tbl</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">=</span> <span class="n">to_namespace</span> |
| <a id="__codelineno-0-397" name="__codelineno-0-397"></a> <span class="n">tbl</span><span class="o">.</span><span class="n">table_name</span> <span class="o">=</span> <span class="n">to_table_name</span> |
| <a id="__codelineno-0-398" name="__codelineno-0-398"></a> <span class="k">except</span> <span class="n">NoResultFound</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-399" name="__codelineno-0-399"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">from_table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-400" name="__codelineno-0-400"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-401" name="__codelineno-0-401"></a> <span class="k">except</span> <span class="n">IntegrityError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-402" name="__codelineno-0-402"></a> <span class="k">raise</span> <span class="n">TableAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table </span><span class="si">{</span><span class="n">to_namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">to_table_name</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-403" name="__codelineno-0-403"></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_table</span><span class="p">(</span><span class="n">to_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-404" name="__codelineno-0-404"></a> |
| <a id="__codelineno-0-405" name="__codelineno-0-405"></a> <span class="k">def</span><span class="w"> </span><span class="nf">commit_table</span><span class="p">(</span> |
| <a id="__codelineno-0-406" name="__codelineno-0-406"></a> <span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">:</span> <span class="n">Table</span><span class="p">,</span> <span class="n">requirements</span><span class="p">:</span> <span class="n">Tuple</span><span class="p">[</span><span class="n">TableRequirement</span><span class="p">,</span> <span class="o">...</span><span class="p">],</span> <span class="n">updates</span><span class="p">:</span> <span class="n">Tuple</span><span class="p">[</span><span class="n">TableUpdate</span><span class="p">,</span> <span class="o">...</span><span class="p">]</span> |
| <a id="__codelineno-0-407" name="__codelineno-0-407"></a> <span class="p">)</span> <span class="o">-></span> <span class="n">CommitTableResponse</span><span class="p">:</span> |
| <a id="__codelineno-0-408" name="__codelineno-0-408"></a><span class="w"> </span><span class="sd">"""Commit updates to a table.</span> |
| <a id="__codelineno-0-409" name="__codelineno-0-409"></a> |
| <a id="__codelineno-0-410" name="__codelineno-0-410"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-411" name="__codelineno-0-411"></a><span class="sd"> table (Table): The table to be updated.</span> |
| <a id="__codelineno-0-412" name="__codelineno-0-412"></a><span class="sd"> requirements: (Tuple[TableRequirement, ...]): Table requirements.</span> |
| <a id="__codelineno-0-413" name="__codelineno-0-413"></a><span class="sd"> updates: (Tuple[TableUpdate, ...]): Table updates.</span> |
| <a id="__codelineno-0-414" name="__codelineno-0-414"></a> |
| <a id="__codelineno-0-415" name="__codelineno-0-415"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-416" name="__codelineno-0-416"></a><span class="sd"> CommitTableResponse: The updated metadata.</span> |
| <a id="__codelineno-0-417" name="__codelineno-0-417"></a> |
| <a id="__codelineno-0-418" name="__codelineno-0-418"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-419" name="__codelineno-0-419"></a><span class="sd"> NoSuchTableError: If a table with the given identifier does not exist.</span> |
| <a id="__codelineno-0-420" name="__codelineno-0-420"></a><span class="sd"> CommitFailedException: Requirement not met, or a conflict with a concurrent commit.</span> |
| <a id="__codelineno-0-421" name="__codelineno-0-421"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-422" name="__codelineno-0-422"></a> <span class="n">table_identifier</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">()</span> |
| <a id="__codelineno-0-423" name="__codelineno-0-423"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">table_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-424" name="__codelineno-0-424"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-425" name="__codelineno-0-425"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">table_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-426" name="__codelineno-0-426"></a> |
| <a id="__codelineno-0-427" name="__codelineno-0-427"></a> <span class="n">current_table</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Table</span><span class="p">]</span> |
| <a id="__codelineno-0-428" name="__codelineno-0-428"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-429" name="__codelineno-0-429"></a> <span class="n">current_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_table</span><span class="p">(</span><span class="n">table_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-430" name="__codelineno-0-430"></a> <span class="k">except</span> <span class="n">NoSuchTableError</span><span class="p">:</span> |
| <a id="__codelineno-0-431" name="__codelineno-0-431"></a> <span class="n">current_table</span> <span class="o">=</span> <span class="kc">None</span> |
| <a id="__codelineno-0-432" name="__codelineno-0-432"></a> |
| <a id="__codelineno-0-433" name="__codelineno-0-433"></a> <span class="n">updated_staged_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_update_and_stage_table</span><span class="p">(</span><span class="n">current_table</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">(),</span> <span class="n">requirements</span><span class="p">,</span> <span class="n">updates</span><span class="p">)</span> |
| <a id="__codelineno-0-434" name="__codelineno-0-434"></a> <span class="k">if</span> <span class="n">current_table</span> <span class="ow">and</span> <span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata</span> <span class="o">==</span> <span class="n">current_table</span><span class="o">.</span><span class="n">metadata</span><span class="p">:</span> |
| <a id="__codelineno-0-435" name="__codelineno-0-435"></a> <span class="c1"># no changes, do nothing</span> |
| <a id="__codelineno-0-436" name="__codelineno-0-436"></a> <span class="k">return</span> <span class="n">CommitTableResponse</span><span class="p">(</span><span class="n">metadata</span><span class="o">=</span><span class="n">current_table</span><span class="o">.</span><span class="n">metadata</span><span class="p">,</span> <span class="n">metadata_location</span><span class="o">=</span><span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">)</span> |
| <a id="__codelineno-0-437" name="__codelineno-0-437"></a> <span class="bp">self</span><span class="o">.</span><span class="n">_write_metadata</span><span class="p">(</span> |
| <a id="__codelineno-0-438" name="__codelineno-0-438"></a> <span class="n">metadata</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata</span><span class="p">,</span> |
| <a id="__codelineno-0-439" name="__codelineno-0-439"></a> <span class="n">io</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">io</span><span class="p">,</span> |
| <a id="__codelineno-0-440" name="__codelineno-0-440"></a> <span class="n">metadata_path</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-441" name="__codelineno-0-441"></a> <span class="p">)</span> |
| <a id="__codelineno-0-442" name="__codelineno-0-442"></a> |
| <a id="__codelineno-0-443" name="__codelineno-0-443"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-444" name="__codelineno-0-444"></a> <span class="k">if</span> <span class="n">current_table</span><span class="p">:</span> |
| <a id="__codelineno-0-445" name="__codelineno-0-445"></a> <span class="c1"># table exists, update it</span> |
| <a id="__codelineno-0-446" name="__codelineno-0-446"></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">dialect</span><span class="o">.</span><span class="n">supports_sane_rowcount</span><span class="p">:</span> |
| <a id="__codelineno-0-447" name="__codelineno-0-447"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-448" name="__codelineno-0-448"></a> <span class="n">update</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-449" name="__codelineno-0-449"></a> <span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-450" name="__codelineno-0-450"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-451" name="__codelineno-0-451"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-452" name="__codelineno-0-452"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-453" name="__codelineno-0-453"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">metadata_location</span> <span class="o">==</span> <span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-454" name="__codelineno-0-454"></a> <span class="p">)</span> |
| <a id="__codelineno-0-455" name="__codelineno-0-455"></a> <span class="o">.</span><span class="n">values</span><span class="p">(</span> |
| <a id="__codelineno-0-456" name="__codelineno-0-456"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-457" name="__codelineno-0-457"></a> <span class="n">previous_metadata_location</span><span class="o">=</span><span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-458" name="__codelineno-0-458"></a> <span class="p">)</span> |
| <a id="__codelineno-0-459" name="__codelineno-0-459"></a> <span class="p">)</span> |
| <a id="__codelineno-0-460" name="__codelineno-0-460"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-461" name="__codelineno-0-461"></a> <span class="k">if</span> <span class="n">result</span><span class="o">.</span><span class="n">rowcount</span> <span class="o"><</span> <span class="mi">1</span><span class="p">:</span> |
| <a id="__codelineno-0-462" name="__codelineno-0-462"></a> <span class="k">raise</span> <span class="n">CommitFailedException</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table has been updated by another process: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-463" name="__codelineno-0-463"></a> <span class="k">else</span><span class="p">:</span> |
| <a id="__codelineno-0-464" name="__codelineno-0-464"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-465" name="__codelineno-0-465"></a> <span class="n">tbl</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-466" name="__codelineno-0-466"></a> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-467" name="__codelineno-0-467"></a> <span class="o">.</span><span class="n">with_for_update</span><span class="p">(</span><span class="n">of</span><span class="o">=</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-468" name="__codelineno-0-468"></a> <span class="o">.</span><span class="n">filter</span><span class="p">(</span> |
| <a id="__codelineno-0-469" name="__codelineno-0-469"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-470" name="__codelineno-0-470"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-471" name="__codelineno-0-471"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-472" name="__codelineno-0-472"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">metadata_location</span> <span class="o">==</span> <span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-473" name="__codelineno-0-473"></a> <span class="p">)</span> |
| <a id="__codelineno-0-474" name="__codelineno-0-474"></a> <span class="o">.</span><span class="n">one</span><span class="p">()</span> |
| <a id="__codelineno-0-475" name="__codelineno-0-475"></a> <span class="p">)</span> |
| <a id="__codelineno-0-476" name="__codelineno-0-476"></a> <span class="n">tbl</span><span class="o">.</span><span class="n">metadata_location</span> <span class="o">=</span> <span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span> |
| <a id="__codelineno-0-477" name="__codelineno-0-477"></a> <span class="n">tbl</span><span class="o">.</span><span class="n">previous_metadata_location</span> <span class="o">=</span> <span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span> |
| <a id="__codelineno-0-478" name="__codelineno-0-478"></a> <span class="k">except</span> <span class="n">NoResultFound</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-479" name="__codelineno-0-479"></a> <span class="k">raise</span> <span class="n">CommitFailedException</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table has been updated by another process: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-480" name="__codelineno-0-480"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-481" name="__codelineno-0-481"></a> <span class="k">else</span><span class="p">:</span> |
| <a id="__codelineno-0-482" name="__codelineno-0-482"></a> <span class="c1"># table does not exist, create it</span> |
| <a id="__codelineno-0-483" name="__codelineno-0-483"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-484" name="__codelineno-0-484"></a> <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> |
| <a id="__codelineno-0-485" name="__codelineno-0-485"></a> <span class="n">IcebergTables</span><span class="p">(</span> |
| <a id="__codelineno-0-486" name="__codelineno-0-486"></a> <span class="n">catalog_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-487" name="__codelineno-0-487"></a> <span class="n">table_namespace</span><span class="o">=</span><span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-488" name="__codelineno-0-488"></a> <span class="n">table_name</span><span class="o">=</span><span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-489" name="__codelineno-0-489"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-490" name="__codelineno-0-490"></a> <span class="n">previous_metadata_location</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <a id="__codelineno-0-491" name="__codelineno-0-491"></a> <span class="p">)</span> |
| <a id="__codelineno-0-492" name="__codelineno-0-492"></a> <span class="p">)</span> |
| <a id="__codelineno-0-493" name="__codelineno-0-493"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-494" name="__codelineno-0-494"></a> <span class="k">except</span> <span class="n">IntegrityError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-495" name="__codelineno-0-495"></a> <span class="k">raise</span> <span class="n">TableAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-496" name="__codelineno-0-496"></a> |
| <a id="__codelineno-0-497" name="__codelineno-0-497"></a> <span class="k">return</span> <span class="n">CommitTableResponse</span><span class="p">(</span> |
| <a id="__codelineno-0-498" name="__codelineno-0-498"></a> <span class="n">metadata</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata</span><span class="p">,</span> <span class="n">metadata_location</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span> |
| <a id="__codelineno-0-499" name="__codelineno-0-499"></a> <span class="p">)</span> |
| <a id="__codelineno-0-500" name="__codelineno-0-500"></a> |
| <a id="__codelineno-0-501" name="__codelineno-0-501"></a> <span class="k">def</span><span class="w"> </span><span class="nf">_namespace_exists</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> |
| <a id="__codelineno-0-502" name="__codelineno-0-502"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">identifier_to_tuple</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-503" name="__codelineno-0-503"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">,</span> <span class="n">NoSuchNamespaceError</span><span class="p">)</span> |
| <a id="__codelineno-0-504" name="__codelineno-0-504"></a> <span class="n">namespace_starts_with</span> <span class="o">=</span> <span class="n">namespace</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s2">"!"</span><span class="p">,</span> <span class="s2">"!!"</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s2">"_"</span><span class="p">,</span> <span class="s2">"!_"</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s2">"%"</span><span class="p">,</span> <span class="s2">"!%"</span><span class="p">)</span> <span class="o">+</span> <span class="s2">".%"</span> |
| <a id="__codelineno-0-505" name="__codelineno-0-505"></a> |
| <a id="__codelineno-0-506" name="__codelineno-0-506"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-507" name="__codelineno-0-507"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-508" name="__codelineno-0-508"></a> <span class="n">select</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-509" name="__codelineno-0-509"></a> <span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-510" name="__codelineno-0-510"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-511" name="__codelineno-0-511"></a> <span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-512" name="__codelineno-0-512"></a> <span class="o">|</span> <span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span><span class="o">.</span><span class="n">like</span><span class="p">(</span><span class="n">namespace_starts_with</span><span class="p">,</span> <span class="n">escape</span><span class="o">=</span><span class="s2">"!"</span><span class="p">)),</span> |
| <a id="__codelineno-0-513" name="__codelineno-0-513"></a> <span class="p">)</span> |
| <a id="__codelineno-0-514" name="__codelineno-0-514"></a> <span class="o">.</span><span class="n">limit</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> |
| <a id="__codelineno-0-515" name="__codelineno-0-515"></a> <span class="p">)</span> |
| <a id="__codelineno-0-516" name="__codelineno-0-516"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span><span class="o">.</span><span class="n">all</span><span class="p">()</span> |
| <a id="__codelineno-0-517" name="__codelineno-0-517"></a> <span class="k">if</span> <span class="n">result</span><span class="p">:</span> |
| <a id="__codelineno-0-518" name="__codelineno-0-518"></a> <span class="k">return</span> <span class="kc">True</span> |
| <a id="__codelineno-0-519" name="__codelineno-0-519"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-520" name="__codelineno-0-520"></a> <span class="n">select</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span> |
| <a id="__codelineno-0-521" name="__codelineno-0-521"></a> <span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-522" name="__codelineno-0-522"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-523" name="__codelineno-0-523"></a> <span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-524" name="__codelineno-0-524"></a> <span class="o">|</span> <span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span><span class="o">.</span><span class="n">like</span><span class="p">(</span><span class="n">namespace_starts_with</span><span class="p">,</span> <span class="n">escape</span><span class="o">=</span><span class="s2">"!"</span><span class="p">)),</span> |
| <a id="__codelineno-0-525" name="__codelineno-0-525"></a> <span class="p">)</span> |
| <a id="__codelineno-0-526" name="__codelineno-0-526"></a> <span class="o">.</span><span class="n">limit</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> |
| <a id="__codelineno-0-527" name="__codelineno-0-527"></a> <span class="p">)</span> |
| <a id="__codelineno-0-528" name="__codelineno-0-528"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span><span class="o">.</span><span class="n">all</span><span class="p">()</span> |
| <a id="__codelineno-0-529" name="__codelineno-0-529"></a> <span class="k">if</span> <span class="n">result</span><span class="p">:</span> |
| <a id="__codelineno-0-530" name="__codelineno-0-530"></a> <span class="k">return</span> <span class="kc">True</span> |
| <a id="__codelineno-0-531" name="__codelineno-0-531"></a> <span class="k">return</span> <span class="kc">False</span> |
| <a id="__codelineno-0-532" name="__codelineno-0-532"></a> |
| <a id="__codelineno-0-533" name="__codelineno-0-533"></a> <span class="k">def</span><span class="w"> </span><span class="nf">create_namespace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> <span class="n">properties</span><span class="p">:</span> <span class="n">Properties</span> <span class="o">=</span> <span class="n">EMPTY_DICT</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-534" name="__codelineno-0-534"></a><span class="w"> </span><span class="sd">"""Create a namespace in the catalog.</span> |
| <a id="__codelineno-0-535" name="__codelineno-0-535"></a> |
| <a id="__codelineno-0-536" name="__codelineno-0-536"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-537" name="__codelineno-0-537"></a><span class="sd"> namespace (str | Identifier): Namespace identifier.</span> |
| <a id="__codelineno-0-538" name="__codelineno-0-538"></a><span class="sd"> properties (Properties): A string dictionary of properties for the given namespace.</span> |
| <a id="__codelineno-0-539" name="__codelineno-0-539"></a> |
| <a id="__codelineno-0-540" name="__codelineno-0-540"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-541" name="__codelineno-0-541"></a><span class="sd"> NamespaceAlreadyExistsError: If a namespace with the given name already exists.</span> |
| <a id="__codelineno-0-542" name="__codelineno-0-542"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-543" name="__codelineno-0-543"></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-544" name="__codelineno-0-544"></a> <span class="k">raise</span> <span class="n">NamespaceAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> |
| <a id="__codelineno-0-545" name="__codelineno-0-545"></a> |
| <a id="__codelineno-0-546" name="__codelineno-0-546"></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">properties</span><span class="p">:</span> |
| <a id="__codelineno-0-547" name="__codelineno-0-547"></a> <span class="n">properties</span> <span class="o">=</span> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">NAMESPACE_MINIMAL_PROPERTIES</span> |
| <a id="__codelineno-0-548" name="__codelineno-0-548"></a> <span class="n">create_properties</span> <span class="o">=</span> <span class="n">properties</span> <span class="k">if</span> <span class="n">properties</span> <span class="k">else</span> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">NAMESPACE_MINIMAL_PROPERTIES</span> |
| <a id="__codelineno-0-549" name="__codelineno-0-549"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-550" name="__codelineno-0-550"></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">create_properties</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
| <a id="__codelineno-0-551" name="__codelineno-0-551"></a> <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> |
| <a id="__codelineno-0-552" name="__codelineno-0-552"></a> <span class="n">IcebergNamespaceProperties</span><span class="p">(</span> |
| <a id="__codelineno-0-553" name="__codelineno-0-553"></a> <span class="n">catalog_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-554" name="__codelineno-0-554"></a> <span class="n">namespace</span><span class="o">=</span><span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">,</span> <span class="n">NoSuchNamespaceError</span><span class="p">),</span> |
| <a id="__codelineno-0-555" name="__codelineno-0-555"></a> <span class="n">property_key</span><span class="o">=</span><span class="n">key</span><span class="p">,</span> |
| <a id="__codelineno-0-556" name="__codelineno-0-556"></a> <span class="n">property_value</span><span class="o">=</span><span class="n">value</span><span class="p">,</span> |
| <a id="__codelineno-0-557" name="__codelineno-0-557"></a> <span class="p">)</span> |
| <a id="__codelineno-0-558" name="__codelineno-0-558"></a> <span class="p">)</span> |
| <a id="__codelineno-0-559" name="__codelineno-0-559"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-560" name="__codelineno-0-560"></a> |
| <a id="__codelineno-0-561" name="__codelineno-0-561"></a> <span class="k">def</span><span class="w"> </span><span class="nf">drop_namespace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-562" name="__codelineno-0-562"></a><span class="w"> </span><span class="sd">"""Drop a namespace.</span> |
| <a id="__codelineno-0-563" name="__codelineno-0-563"></a> |
| <a id="__codelineno-0-564" name="__codelineno-0-564"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-565" name="__codelineno-0-565"></a><span class="sd"> namespace (str | Identifier): Namespace identifier.</span> |
| <a id="__codelineno-0-566" name="__codelineno-0-566"></a> |
| <a id="__codelineno-0-567" name="__codelineno-0-567"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-568" name="__codelineno-0-568"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-569" name="__codelineno-0-569"></a><span class="sd"> NamespaceNotEmptyError: If the namespace is not empty.</span> |
| <a id="__codelineno-0-570" name="__codelineno-0-570"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-571" name="__codelineno-0-571"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-572" name="__codelineno-0-572"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-573" name="__codelineno-0-573"></a> |
| <a id="__codelineno-0-574" name="__codelineno-0-574"></a> <span class="n">namespace_str</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-575" name="__codelineno-0-575"></a> <span class="k">if</span> <span class="n">tables</span> <span class="o">:=</span> <span class="bp">self</span><span class="o">.</span><span class="n">list_tables</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-576" name="__codelineno-0-576"></a> <span class="k">raise</span> <span class="n">NamespaceNotEmptyError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace </span><span class="si">{</span><span class="n">namespace_str</span><span class="si">}</span><span class="s2"> is not empty. </span><span class="si">{</span><span class="nb">len</span><span class="p">(</span><span class="n">tables</span><span class="p">)</span><span class="si">}</span><span class="s2"> tables exist."</span><span class="p">)</span> |
| <a id="__codelineno-0-577" name="__codelineno-0-577"></a> |
| <a id="__codelineno-0-578" name="__codelineno-0-578"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-579" name="__codelineno-0-579"></a> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span> |
| <a id="__codelineno-0-580" name="__codelineno-0-580"></a> <span class="n">delete</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-581" name="__codelineno-0-581"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-582" name="__codelineno-0-582"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace_str</span><span class="p">,</span> |
| <a id="__codelineno-0-583" name="__codelineno-0-583"></a> <span class="p">)</span> |
| <a id="__codelineno-0-584" name="__codelineno-0-584"></a> <span class="p">)</span> |
| <a id="__codelineno-0-585" name="__codelineno-0-585"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-586" name="__codelineno-0-586"></a> |
| <a id="__codelineno-0-587" name="__codelineno-0-587"></a> <span class="k">def</span><span class="w"> </span><span class="nf">list_tables</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="n">Identifier</span><span class="p">]:</span> |
| <a id="__codelineno-0-588" name="__codelineno-0-588"></a><span class="w"> </span><span class="sd">"""List tables under the given namespace in the catalog.</span> |
| <a id="__codelineno-0-589" name="__codelineno-0-589"></a> |
| <a id="__codelineno-0-590" name="__codelineno-0-590"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-591" name="__codelineno-0-591"></a><span class="sd"> namespace (str | Identifier): Namespace identifier to search.</span> |
| <a id="__codelineno-0-592" name="__codelineno-0-592"></a> |
| <a id="__codelineno-0-593" name="__codelineno-0-593"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-594" name="__codelineno-0-594"></a><span class="sd"> List[Identifier]: list of table identifiers.</span> |
| <a id="__codelineno-0-595" name="__codelineno-0-595"></a> |
| <a id="__codelineno-0-596" name="__codelineno-0-596"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-597" name="__codelineno-0-597"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-598" name="__codelineno-0-598"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-599" name="__codelineno-0-599"></a> <span class="k">if</span> <span class="n">namespace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-600" name="__codelineno-0-600"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-601" name="__codelineno-0-601"></a> |
| <a id="__codelineno-0-602" name="__codelineno-0-602"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-603" name="__codelineno-0-603"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-604" name="__codelineno-0-604"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-605" name="__codelineno-0-605"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">scalars</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-606" name="__codelineno-0-606"></a> <span class="k">return</span> <span class="p">[(</span><span class="n">Catalog</span><span class="o">.</span><span class="n">identifier_to_tuple</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">table_namespace</span><span class="p">)</span> <span class="o">+</span> <span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">table_name</span><span class="p">,))</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">result</span><span class="p">]</span> |
| <a id="__codelineno-0-607" name="__codelineno-0-607"></a> |
| <a id="__codelineno-0-608" name="__codelineno-0-608"></a> <span class="k">def</span><span class="w"> </span><span class="nf">list_namespaces</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">]</span> <span class="o">=</span> <span class="p">())</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="n">Identifier</span><span class="p">]:</span> |
| <a id="__codelineno-0-609" name="__codelineno-0-609"></a><span class="w"> </span><span class="sd">"""List namespaces from the given namespace. If not given, list top-level namespaces from the catalog.</span> |
| <a id="__codelineno-0-610" name="__codelineno-0-610"></a> |
| <a id="__codelineno-0-611" name="__codelineno-0-611"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-612" name="__codelineno-0-612"></a><span class="sd"> namespace (str | Identifier): Namespace identifier to search.</span> |
| <a id="__codelineno-0-613" name="__codelineno-0-613"></a> |
| <a id="__codelineno-0-614" name="__codelineno-0-614"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-615" name="__codelineno-0-615"></a><span class="sd"> List[Identifier]: a List of namespace identifiers.</span> |
| <a id="__codelineno-0-616" name="__codelineno-0-616"></a> |
| <a id="__codelineno-0-617" name="__codelineno-0-617"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-618" name="__codelineno-0-618"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-619" name="__codelineno-0-619"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-620" name="__codelineno-0-620"></a> <span class="k">if</span> <span class="n">namespace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-621" name="__codelineno-0-621"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-622" name="__codelineno-0-622"></a> |
| <a id="__codelineno-0-623" name="__codelineno-0-623"></a> <span class="n">table_stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> |
| <a id="__codelineno-0-624" name="__codelineno-0-624"></a> <span class="n">namespace_stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> |
| <a id="__codelineno-0-625" name="__codelineno-0-625"></a> <span class="k">if</span> <span class="n">namespace</span><span class="p">:</span> |
| <a id="__codelineno-0-626" name="__codelineno-0-626"></a> <span class="n">namespace_like</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">,</span> <span class="n">NoSuchNamespaceError</span><span class="p">)</span> <span class="o">+</span> <span class="s2">"%"</span> |
| <a id="__codelineno-0-627" name="__codelineno-0-627"></a> <span class="n">table_stmt</span> <span class="o">=</span> <span class="n">table_stmt</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span><span class="o">.</span><span class="n">like</span><span class="p">(</span><span class="n">namespace_like</span><span class="p">))</span> |
| <a id="__codelineno-0-628" name="__codelineno-0-628"></a> <span class="n">namespace_stmt</span> <span class="o">=</span> <span class="n">namespace_stmt</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span><span class="o">.</span><span class="n">like</span><span class="p">(</span><span class="n">namespace_like</span><span class="p">))</span> |
| <a id="__codelineno-0-629" name="__codelineno-0-629"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">union</span><span class="p">(</span> |
| <a id="__codelineno-0-630" name="__codelineno-0-630"></a> <span class="n">table_stmt</span><span class="p">,</span> |
| <a id="__codelineno-0-631" name="__codelineno-0-631"></a> <span class="n">namespace_stmt</span><span class="p">,</span> |
| <a id="__codelineno-0-632" name="__codelineno-0-632"></a> <span class="p">)</span> |
| <a id="__codelineno-0-633" name="__codelineno-0-633"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-634" name="__codelineno-0-634"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">identifier_to_tuple</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-635" name="__codelineno-0-635"></a> <span class="n">sub_namespaces_level_length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span> |
| <a id="__codelineno-0-636" name="__codelineno-0-636"></a> |
| <a id="__codelineno-0-637" name="__codelineno-0-637"></a> <span class="n">namespaces</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span> |
| <a id="__codelineno-0-638" name="__codelineno-0-638"></a> <span class="p">{</span> <span class="c1"># only get distinct namespaces</span> |
| <a id="__codelineno-0-639" name="__codelineno-0-639"></a> <span class="n">ns</span><span class="p">[:</span><span class="n">sub_namespaces_level_length</span><span class="p">]</span> <span class="c1"># truncate to the required level</span> |
| <a id="__codelineno-0-640" name="__codelineno-0-640"></a> <span class="k">for</span> <span class="n">ns</span> <span class="ow">in</span> <span class="p">{</span><span class="n">Catalog</span><span class="o">.</span><span class="n">identifier_to_tuple</span><span class="p">(</span><span class="n">ns</span><span class="p">)</span> <span class="k">for</span> <span class="n">ns</span> <span class="ow">in</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span><span class="o">.</span><span class="n">scalars</span><span class="p">()}</span> |
| <a id="__codelineno-0-641" name="__codelineno-0-641"></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">ns</span><span class="p">)</span> <span class="o">>=</span> <span class="n">sub_namespaces_level_length</span> <span class="c1"># only get sub namespaces/children</span> |
| <a id="__codelineno-0-642" name="__codelineno-0-642"></a> <span class="ow">and</span> <span class="n">ns</span><span class="p">[:</span> <span class="n">sub_namespaces_level_length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="n">namespace_tuple</span> |
| <a id="__codelineno-0-643" name="__codelineno-0-643"></a> <span class="c1"># exclude fuzzy matches when `namespace` contains `%` or `_`</span> |
| <a id="__codelineno-0-644" name="__codelineno-0-644"></a> <span class="p">}</span> |
| <a id="__codelineno-0-645" name="__codelineno-0-645"></a> <span class="p">)</span> |
| <a id="__codelineno-0-646" name="__codelineno-0-646"></a> |
| <a id="__codelineno-0-647" name="__codelineno-0-647"></a> <span class="k">return</span> <span class="n">namespaces</span> |
| <a id="__codelineno-0-648" name="__codelineno-0-648"></a> |
| <a id="__codelineno-0-649" name="__codelineno-0-649"></a> <span class="k">def</span><span class="w"> </span><span class="nf">load_namespace_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">Properties</span><span class="p">:</span> |
| <a id="__codelineno-0-650" name="__codelineno-0-650"></a><span class="w"> </span><span class="sd">"""Get properties for a namespace.</span> |
| <a id="__codelineno-0-651" name="__codelineno-0-651"></a> |
| <a id="__codelineno-0-652" name="__codelineno-0-652"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-653" name="__codelineno-0-653"></a><span class="sd"> namespace (str | Identifier): Namespace identifier.</span> |
| <a id="__codelineno-0-654" name="__codelineno-0-654"></a> |
| <a id="__codelineno-0-655" name="__codelineno-0-655"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-656" name="__codelineno-0-656"></a><span class="sd"> Properties: Properties for the given namespace.</span> |
| <a id="__codelineno-0-657" name="__codelineno-0-657"></a> |
| <a id="__codelineno-0-658" name="__codelineno-0-658"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-659" name="__codelineno-0-659"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-660" name="__codelineno-0-660"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-661" name="__codelineno-0-661"></a> <span class="n">namespace_str</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-662" name="__codelineno-0-662"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-663" name="__codelineno-0-663"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace </span><span class="si">{</span><span class="n">namespace_str</span><span class="si">}</span><span class="s2"> does not exists"</span><span class="p">)</span> |
| <a id="__codelineno-0-664" name="__codelineno-0-664"></a> |
| <a id="__codelineno-0-665" name="__codelineno-0-665"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-666" name="__codelineno-0-666"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace_str</span> |
| <a id="__codelineno-0-667" name="__codelineno-0-667"></a> <span class="p">)</span> |
| <a id="__codelineno-0-668" name="__codelineno-0-668"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-669" name="__codelineno-0-669"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">scalars</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-670" name="__codelineno-0-670"></a> <span class="k">return</span> <span class="p">{</span><span class="n">props</span><span class="o">.</span><span class="n">property_key</span><span class="p">:</span> <span class="n">props</span><span class="o">.</span><span class="n">property_value</span> <span class="k">for</span> <span class="n">props</span> <span class="ow">in</span> <span class="n">result</span><span class="p">}</span> |
| <a id="__codelineno-0-671" name="__codelineno-0-671"></a> |
| <a id="__codelineno-0-672" name="__codelineno-0-672"></a> <span class="k">def</span><span class="w"> </span><span class="nf">update_namespace_properties</span><span class="p">(</span> |
| <a id="__codelineno-0-673" name="__codelineno-0-673"></a> <span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> <span class="n">removals</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Set</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">updates</span><span class="p">:</span> <span class="n">Properties</span> <span class="o">=</span> <span class="n">EMPTY_DICT</span> |
| <a id="__codelineno-0-674" name="__codelineno-0-674"></a> <span class="p">)</span> <span class="o">-></span> <span class="n">PropertiesUpdateSummary</span><span class="p">:</span> |
| <a id="__codelineno-0-675" name="__codelineno-0-675"></a><span class="w"> </span><span class="sd">"""Remove provided property keys and update properties for a namespace.</span> |
| <a id="__codelineno-0-676" name="__codelineno-0-676"></a> |
| <a id="__codelineno-0-677" name="__codelineno-0-677"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-678" name="__codelineno-0-678"></a><span class="sd"> namespace (str | Identifier): Namespace identifier.</span> |
| <a id="__codelineno-0-679" name="__codelineno-0-679"></a><span class="sd"> removals (Set[str]): Set of property keys that need to be removed. Optional Argument.</span> |
| <a id="__codelineno-0-680" name="__codelineno-0-680"></a><span class="sd"> updates (Properties): Properties to be updated for the given namespace.</span> |
| <a id="__codelineno-0-681" name="__codelineno-0-681"></a> |
| <a id="__codelineno-0-682" name="__codelineno-0-682"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-683" name="__codelineno-0-683"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-684" name="__codelineno-0-684"></a><span class="sd"> ValueError: If removals and updates have overlapping keys.</span> |
| <a id="__codelineno-0-685" name="__codelineno-0-685"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-686" name="__codelineno-0-686"></a> <span class="n">namespace_str</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-687" name="__codelineno-0-687"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-688" name="__codelineno-0-688"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace </span><span class="si">{</span><span class="n">namespace_str</span><span class="si">}</span><span class="s2"> does not exists"</span><span class="p">)</span> |
| <a id="__codelineno-0-689" name="__codelineno-0-689"></a> |
| <a id="__codelineno-0-690" name="__codelineno-0-690"></a> <span class="n">current_properties</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_namespace_properties</span><span class="p">(</span><span class="n">namespace</span><span class="o">=</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-691" name="__codelineno-0-691"></a> <span class="n">properties_update_summary</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_updated_props_and_update_summary</span><span class="p">(</span> |
| <a id="__codelineno-0-692" name="__codelineno-0-692"></a> <span class="n">current_properties</span><span class="o">=</span><span class="n">current_properties</span><span class="p">,</span> <span class="n">removals</span><span class="o">=</span><span class="n">removals</span><span class="p">,</span> <span class="n">updates</span><span class="o">=</span><span class="n">updates</span> |
| <a id="__codelineno-0-693" name="__codelineno-0-693"></a> <span class="p">)[</span><span class="mi">0</span><span class="p">]</span> |
| <a id="__codelineno-0-694" name="__codelineno-0-694"></a> |
| <a id="__codelineno-0-695" name="__codelineno-0-695"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-696" name="__codelineno-0-696"></a> <span class="k">if</span> <span class="n">removals</span><span class="p">:</span> |
| <a id="__codelineno-0-697" name="__codelineno-0-697"></a> <span class="n">delete_stmt</span> <span class="o">=</span> <span class="n">delete</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-698" name="__codelineno-0-698"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-699" name="__codelineno-0-699"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace_str</span><span class="p">,</span> |
| <a id="__codelineno-0-700" name="__codelineno-0-700"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">property_key</span><span class="o">.</span><span class="n">in_</span><span class="p">(</span><span class="n">removals</span><span class="p">),</span> |
| <a id="__codelineno-0-701" name="__codelineno-0-701"></a> <span class="p">)</span> |
| <a id="__codelineno-0-702" name="__codelineno-0-702"></a> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">delete_stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-703" name="__codelineno-0-703"></a> |
| <a id="__codelineno-0-704" name="__codelineno-0-704"></a> <span class="k">if</span> <span class="n">updates</span><span class="p">:</span> |
| <a id="__codelineno-0-705" name="__codelineno-0-705"></a> <span class="c1"># SQLAlchemy does not (yet) support engine agnostic UPSERT</span> |
| <a id="__codelineno-0-706" name="__codelineno-0-706"></a> <span class="c1"># https://docs.sqlalchemy.org/en/20/orm/queryguide/dml.html#orm-upsert-statements</span> |
| <a id="__codelineno-0-707" name="__codelineno-0-707"></a> <span class="c1"># This is not a problem since it runs in a single transaction</span> |
| <a id="__codelineno-0-708" name="__codelineno-0-708"></a> <span class="n">delete_stmt</span> <span class="o">=</span> <span class="n">delete</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-709" name="__codelineno-0-709"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-710" name="__codelineno-0-710"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace_str</span><span class="p">,</span> |
| <a id="__codelineno-0-711" name="__codelineno-0-711"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">property_key</span><span class="o">.</span><span class="n">in_</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">updates</span><span class="o">.</span><span class="n">keys</span><span class="p">())),</span> |
| <a id="__codelineno-0-712" name="__codelineno-0-712"></a> <span class="p">)</span> |
| <a id="__codelineno-0-713" name="__codelineno-0-713"></a> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">delete_stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-714" name="__codelineno-0-714"></a> <span class="n">insert_stmt_values</span> <span class="o">=</span> <span class="p">[</span> |
| <a id="__codelineno-0-715" name="__codelineno-0-715"></a> <span class="p">{</span> |
| <a id="__codelineno-0-716" name="__codelineno-0-716"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-717" name="__codelineno-0-717"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span><span class="p">:</span> <span class="n">namespace_str</span><span class="p">,</span> |
| <a id="__codelineno-0-718" name="__codelineno-0-718"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">property_key</span><span class="p">:</span> <span class="n">property_key</span><span class="p">,</span> |
| <a id="__codelineno-0-719" name="__codelineno-0-719"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">property_value</span><span class="p">:</span> <span class="n">property_value</span><span class="p">,</span> |
| <a id="__codelineno-0-720" name="__codelineno-0-720"></a> <span class="p">}</span> |
| <a id="__codelineno-0-721" name="__codelineno-0-721"></a> <span class="k">for</span> <span class="n">property_key</span><span class="p">,</span> <span class="n">property_value</span> <span class="ow">in</span> <span class="n">updates</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> |
| <a id="__codelineno-0-722" name="__codelineno-0-722"></a> <span class="p">]</span> |
| <a id="__codelineno-0-723" name="__codelineno-0-723"></a> <span class="n">insert_stmt</span> <span class="o">=</span> <span class="n">insert</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">(</span><span class="n">insert_stmt_values</span><span class="p">)</span> |
| <a id="__codelineno-0-724" name="__codelineno-0-724"></a> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">insert_stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-725" name="__codelineno-0-725"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-726" name="__codelineno-0-726"></a> <span class="k">return</span> <span class="n">properties_update_summary</span> |
| <a id="__codelineno-0-727" name="__codelineno-0-727"></a> |
| <a id="__codelineno-0-728" name="__codelineno-0-728"></a> <span class="k">def</span><span class="w"> </span><span class="nf">list_views</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="n">Identifier</span><span class="p">]:</span> |
| <a id="__codelineno-0-729" name="__codelineno-0-729"></a> <span class="k">raise</span> <span class="ne">NotImplementedError</span> |
| <a id="__codelineno-0-730" name="__codelineno-0-730"></a> |
| <a id="__codelineno-0-731" name="__codelineno-0-731"></a> <span class="k">def</span><span class="w"> </span><span class="nf">view_exists</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> |
| <a id="__codelineno-0-732" name="__codelineno-0-732"></a> <span class="k">raise</span> <span class="ne">NotImplementedError</span> |
| <a id="__codelineno-0-733" name="__codelineno-0-733"></a> |
| <a id="__codelineno-0-734" name="__codelineno-0-734"></a> <span class="k">def</span><span class="w"> </span><span class="nf">drop_view</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-735" name="__codelineno-0-735"></a> <span class="k">raise</span> <span class="ne">NotImplementedError</span> |
| <a id="__codelineno-0-736" name="__codelineno-0-736"></a> |
| <a id="__codelineno-0-737" name="__codelineno-0-737"></a> <span class="k">def</span><span class="w"> </span><span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-738" name="__codelineno-0-738"></a><span class="w"> </span><span class="sd">"""Close the catalog and release database connections.</span> |
| <a id="__codelineno-0-739" name="__codelineno-0-739"></a> |
| <a id="__codelineno-0-740" name="__codelineno-0-740"></a><span class="sd"> This method closes the SQLAlchemy engine and disposes of all connection pools.</span> |
| <a id="__codelineno-0-741" name="__codelineno-0-741"></a><span class="sd"> This ensures that any cached connections are properly closed, which is especially</span> |
| <a id="__codelineno-0-742" name="__codelineno-0-742"></a><span class="sd"> important for blobfuse scenarios where file handles need to be closed for</span> |
| <a id="__codelineno-0-743" name="__codelineno-0-743"></a><span class="sd"> data to be flushed to persistent storage.</span> |
| <a id="__codelineno-0-744" name="__codelineno-0-744"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-745" name="__codelineno-0-745"></a> <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"engine"</span><span class="p">):</span> |
| <a id="__codelineno-0-746" name="__codelineno-0-746"></a> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">dispose</span><span class="p">()</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| |
| |
| |
| <div class="doc doc-children"> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.close" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">close</span><span class="p">()</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.close" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Close the catalog and release database connections.</p> |
| <p>This method closes the SQLAlchemy engine and disposes of all connection pools. |
| This ensures that any cached connections are properly closed, which is especially |
| important for blobfuse scenarios where file handles need to be closed for |
| data to be flushed to persistent storage.</p> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-737">737</a></span> |
| <span class="normal"><a href="#__codelineno-0-738">738</a></span> |
| <span class="normal"><a href="#__codelineno-0-739">739</a></span> |
| <span class="normal"><a href="#__codelineno-0-740">740</a></span> |
| <span class="normal"><a href="#__codelineno-0-741">741</a></span> |
| <span class="normal"><a href="#__codelineno-0-742">742</a></span> |
| <span class="normal"><a href="#__codelineno-0-743">743</a></span> |
| <span class="normal"><a href="#__codelineno-0-744">744</a></span> |
| <span class="normal"><a href="#__codelineno-0-745">745</a></span> |
| <span class="normal"><a href="#__codelineno-0-746">746</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-737" name="__codelineno-0-737"></a><span class="k">def</span><span class="w"> </span><span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-738" name="__codelineno-0-738"></a><span class="w"> </span><span class="sd">"""Close the catalog and release database connections.</span> |
| <a id="__codelineno-0-739" name="__codelineno-0-739"></a> |
| <a id="__codelineno-0-740" name="__codelineno-0-740"></a><span class="sd"> This method closes the SQLAlchemy engine and disposes of all connection pools.</span> |
| <a id="__codelineno-0-741" name="__codelineno-0-741"></a><span class="sd"> This ensures that any cached connections are properly closed, which is especially</span> |
| <a id="__codelineno-0-742" name="__codelineno-0-742"></a><span class="sd"> important for blobfuse scenarios where file handles need to be closed for</span> |
| <a id="__codelineno-0-743" name="__codelineno-0-743"></a><span class="sd"> data to be flushed to persistent storage.</span> |
| <a id="__codelineno-0-744" name="__codelineno-0-744"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-745" name="__codelineno-0-745"></a> <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"engine"</span><span class="p">):</span> |
| <a id="__codelineno-0-746" name="__codelineno-0-746"></a> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">dispose</span><span class="p">()</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.commit_table" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">commit_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">requirements</span><span class="p">,</span> <span class="n">updates</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.commit_table" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Commit updates to a table.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>table</code> |
| </td> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="Table (pyiceberg.table.Table)" href="../../table/#pyiceberg.table.Table">Table</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>The table to be updated.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>requirements</code> |
| </td> |
| <td> |
| <code><span title="typing.Tuple">Tuple</span>[<span title="pyiceberg.table.update.TableRequirement">TableRequirement</span>, ...]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>(Tuple[TableRequirement, ...]): Table requirements.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>updates</code> |
| </td> |
| <td> |
| <code><span title="typing.Tuple">Tuple</span>[<span title="pyiceberg.table.update.TableUpdate">TableUpdate</span>, ...]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>(Tuple[TableUpdate, ...]): Table updates.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Returns:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td><code>CommitTableResponse</code></td> <td> |
| <code><a class="autorefs autorefs-internal" title="CommitTableResponse (pyiceberg.table.CommitTableResponse)" href="../../table/#pyiceberg.table.CommitTableResponse">CommitTableResponse</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>The updated metadata.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchTableError (pyiceberg.exceptions.NoSuchTableError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchTableError">NoSuchTableError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a table with the given identifier does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="CommitFailedException (pyiceberg.exceptions.CommitFailedException)" href="../../exceptions/#pyiceberg.exceptions.CommitFailedException">CommitFailedException</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Requirement not met, or a conflict with a concurrent commit.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-405">405</a></span> |
| <span class="normal"><a href="#__codelineno-0-406">406</a></span> |
| <span class="normal"><a href="#__codelineno-0-407">407</a></span> |
| <span class="normal"><a href="#__codelineno-0-408">408</a></span> |
| <span class="normal"><a href="#__codelineno-0-409">409</a></span> |
| <span class="normal"><a href="#__codelineno-0-410">410</a></span> |
| <span class="normal"><a href="#__codelineno-0-411">411</a></span> |
| <span class="normal"><a href="#__codelineno-0-412">412</a></span> |
| <span class="normal"><a href="#__codelineno-0-413">413</a></span> |
| <span class="normal"><a href="#__codelineno-0-414">414</a></span> |
| <span class="normal"><a href="#__codelineno-0-415">415</a></span> |
| <span class="normal"><a href="#__codelineno-0-416">416</a></span> |
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| <span class="normal"><a href="#__codelineno-0-418">418</a></span> |
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| <span class="normal"><a href="#__codelineno-0-427">427</a></span> |
| <span class="normal"><a href="#__codelineno-0-428">428</a></span> |
| <span class="normal"><a href="#__codelineno-0-429">429</a></span> |
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| <span class="normal"><a href="#__codelineno-0-499">499</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-405" name="__codelineno-0-405"></a><span class="k">def</span><span class="w"> </span><span class="nf">commit_table</span><span class="p">(</span> |
| <a id="__codelineno-0-406" name="__codelineno-0-406"></a> <span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">:</span> <span class="n">Table</span><span class="p">,</span> <span class="n">requirements</span><span class="p">:</span> <span class="n">Tuple</span><span class="p">[</span><span class="n">TableRequirement</span><span class="p">,</span> <span class="o">...</span><span class="p">],</span> <span class="n">updates</span><span class="p">:</span> <span class="n">Tuple</span><span class="p">[</span><span class="n">TableUpdate</span><span class="p">,</span> <span class="o">...</span><span class="p">]</span> |
| <a id="__codelineno-0-407" name="__codelineno-0-407"></a><span class="p">)</span> <span class="o">-></span> <span class="n">CommitTableResponse</span><span class="p">:</span> |
| <a id="__codelineno-0-408" name="__codelineno-0-408"></a><span class="w"> </span><span class="sd">"""Commit updates to a table.</span> |
| <a id="__codelineno-0-409" name="__codelineno-0-409"></a> |
| <a id="__codelineno-0-410" name="__codelineno-0-410"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-411" name="__codelineno-0-411"></a><span class="sd"> table (Table): The table to be updated.</span> |
| <a id="__codelineno-0-412" name="__codelineno-0-412"></a><span class="sd"> requirements: (Tuple[TableRequirement, ...]): Table requirements.</span> |
| <a id="__codelineno-0-413" name="__codelineno-0-413"></a><span class="sd"> updates: (Tuple[TableUpdate, ...]): Table updates.</span> |
| <a id="__codelineno-0-414" name="__codelineno-0-414"></a> |
| <a id="__codelineno-0-415" name="__codelineno-0-415"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-416" name="__codelineno-0-416"></a><span class="sd"> CommitTableResponse: The updated metadata.</span> |
| <a id="__codelineno-0-417" name="__codelineno-0-417"></a> |
| <a id="__codelineno-0-418" name="__codelineno-0-418"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-419" name="__codelineno-0-419"></a><span class="sd"> NoSuchTableError: If a table with the given identifier does not exist.</span> |
| <a id="__codelineno-0-420" name="__codelineno-0-420"></a><span class="sd"> CommitFailedException: Requirement not met, or a conflict with a concurrent commit.</span> |
| <a id="__codelineno-0-421" name="__codelineno-0-421"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-422" name="__codelineno-0-422"></a> <span class="n">table_identifier</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">()</span> |
| <a id="__codelineno-0-423" name="__codelineno-0-423"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">table_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-424" name="__codelineno-0-424"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-425" name="__codelineno-0-425"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">table_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-426" name="__codelineno-0-426"></a> |
| <a id="__codelineno-0-427" name="__codelineno-0-427"></a> <span class="n">current_table</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Table</span><span class="p">]</span> |
| <a id="__codelineno-0-428" name="__codelineno-0-428"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-429" name="__codelineno-0-429"></a> <span class="n">current_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_table</span><span class="p">(</span><span class="n">table_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-430" name="__codelineno-0-430"></a> <span class="k">except</span> <span class="n">NoSuchTableError</span><span class="p">:</span> |
| <a id="__codelineno-0-431" name="__codelineno-0-431"></a> <span class="n">current_table</span> <span class="o">=</span> <span class="kc">None</span> |
| <a id="__codelineno-0-432" name="__codelineno-0-432"></a> |
| <a id="__codelineno-0-433" name="__codelineno-0-433"></a> <span class="n">updated_staged_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_update_and_stage_table</span><span class="p">(</span><span class="n">current_table</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">(),</span> <span class="n">requirements</span><span class="p">,</span> <span class="n">updates</span><span class="p">)</span> |
| <a id="__codelineno-0-434" name="__codelineno-0-434"></a> <span class="k">if</span> <span class="n">current_table</span> <span class="ow">and</span> <span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata</span> <span class="o">==</span> <span class="n">current_table</span><span class="o">.</span><span class="n">metadata</span><span class="p">:</span> |
| <a id="__codelineno-0-435" name="__codelineno-0-435"></a> <span class="c1"># no changes, do nothing</span> |
| <a id="__codelineno-0-436" name="__codelineno-0-436"></a> <span class="k">return</span> <span class="n">CommitTableResponse</span><span class="p">(</span><span class="n">metadata</span><span class="o">=</span><span class="n">current_table</span><span class="o">.</span><span class="n">metadata</span><span class="p">,</span> <span class="n">metadata_location</span><span class="o">=</span><span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">)</span> |
| <a id="__codelineno-0-437" name="__codelineno-0-437"></a> <span class="bp">self</span><span class="o">.</span><span class="n">_write_metadata</span><span class="p">(</span> |
| <a id="__codelineno-0-438" name="__codelineno-0-438"></a> <span class="n">metadata</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata</span><span class="p">,</span> |
| <a id="__codelineno-0-439" name="__codelineno-0-439"></a> <span class="n">io</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">io</span><span class="p">,</span> |
| <a id="__codelineno-0-440" name="__codelineno-0-440"></a> <span class="n">metadata_path</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-441" name="__codelineno-0-441"></a> <span class="p">)</span> |
| <a id="__codelineno-0-442" name="__codelineno-0-442"></a> |
| <a id="__codelineno-0-443" name="__codelineno-0-443"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-444" name="__codelineno-0-444"></a> <span class="k">if</span> <span class="n">current_table</span><span class="p">:</span> |
| <a id="__codelineno-0-445" name="__codelineno-0-445"></a> <span class="c1"># table exists, update it</span> |
| <a id="__codelineno-0-446" name="__codelineno-0-446"></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">dialect</span><span class="o">.</span><span class="n">supports_sane_rowcount</span><span class="p">:</span> |
| <a id="__codelineno-0-447" name="__codelineno-0-447"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-448" name="__codelineno-0-448"></a> <span class="n">update</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-449" name="__codelineno-0-449"></a> <span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-450" name="__codelineno-0-450"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-451" name="__codelineno-0-451"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-452" name="__codelineno-0-452"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-453" name="__codelineno-0-453"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">metadata_location</span> <span class="o">==</span> <span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-454" name="__codelineno-0-454"></a> <span class="p">)</span> |
| <a id="__codelineno-0-455" name="__codelineno-0-455"></a> <span class="o">.</span><span class="n">values</span><span class="p">(</span> |
| <a id="__codelineno-0-456" name="__codelineno-0-456"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-457" name="__codelineno-0-457"></a> <span class="n">previous_metadata_location</span><span class="o">=</span><span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-458" name="__codelineno-0-458"></a> <span class="p">)</span> |
| <a id="__codelineno-0-459" name="__codelineno-0-459"></a> <span class="p">)</span> |
| <a id="__codelineno-0-460" name="__codelineno-0-460"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-461" name="__codelineno-0-461"></a> <span class="k">if</span> <span class="n">result</span><span class="o">.</span><span class="n">rowcount</span> <span class="o"><</span> <span class="mi">1</span><span class="p">:</span> |
| <a id="__codelineno-0-462" name="__codelineno-0-462"></a> <span class="k">raise</span> <span class="n">CommitFailedException</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table has been updated by another process: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-463" name="__codelineno-0-463"></a> <span class="k">else</span><span class="p">:</span> |
| <a id="__codelineno-0-464" name="__codelineno-0-464"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-465" name="__codelineno-0-465"></a> <span class="n">tbl</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-466" name="__codelineno-0-466"></a> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-467" name="__codelineno-0-467"></a> <span class="o">.</span><span class="n">with_for_update</span><span class="p">(</span><span class="n">of</span><span class="o">=</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-468" name="__codelineno-0-468"></a> <span class="o">.</span><span class="n">filter</span><span class="p">(</span> |
| <a id="__codelineno-0-469" name="__codelineno-0-469"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-470" name="__codelineno-0-470"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-471" name="__codelineno-0-471"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-472" name="__codelineno-0-472"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">metadata_location</span> <span class="o">==</span> <span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-473" name="__codelineno-0-473"></a> <span class="p">)</span> |
| <a id="__codelineno-0-474" name="__codelineno-0-474"></a> <span class="o">.</span><span class="n">one</span><span class="p">()</span> |
| <a id="__codelineno-0-475" name="__codelineno-0-475"></a> <span class="p">)</span> |
| <a id="__codelineno-0-476" name="__codelineno-0-476"></a> <span class="n">tbl</span><span class="o">.</span><span class="n">metadata_location</span> <span class="o">=</span> <span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span> |
| <a id="__codelineno-0-477" name="__codelineno-0-477"></a> <span class="n">tbl</span><span class="o">.</span><span class="n">previous_metadata_location</span> <span class="o">=</span> <span class="n">current_table</span><span class="o">.</span><span class="n">metadata_location</span> |
| <a id="__codelineno-0-478" name="__codelineno-0-478"></a> <span class="k">except</span> <span class="n">NoResultFound</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-479" name="__codelineno-0-479"></a> <span class="k">raise</span> <span class="n">CommitFailedException</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table has been updated by another process: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-480" name="__codelineno-0-480"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-481" name="__codelineno-0-481"></a> <span class="k">else</span><span class="p">:</span> |
| <a id="__codelineno-0-482" name="__codelineno-0-482"></a> <span class="c1"># table does not exist, create it</span> |
| <a id="__codelineno-0-483" name="__codelineno-0-483"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-484" name="__codelineno-0-484"></a> <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> |
| <a id="__codelineno-0-485" name="__codelineno-0-485"></a> <span class="n">IcebergTables</span><span class="p">(</span> |
| <a id="__codelineno-0-486" name="__codelineno-0-486"></a> <span class="n">catalog_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-487" name="__codelineno-0-487"></a> <span class="n">table_namespace</span><span class="o">=</span><span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-488" name="__codelineno-0-488"></a> <span class="n">table_name</span><span class="o">=</span><span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-489" name="__codelineno-0-489"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-490" name="__codelineno-0-490"></a> <span class="n">previous_metadata_location</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <a id="__codelineno-0-491" name="__codelineno-0-491"></a> <span class="p">)</span> |
| <a id="__codelineno-0-492" name="__codelineno-0-492"></a> <span class="p">)</span> |
| <a id="__codelineno-0-493" name="__codelineno-0-493"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-494" name="__codelineno-0-494"></a> <span class="k">except</span> <span class="n">IntegrityError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-495" name="__codelineno-0-495"></a> <span class="k">raise</span> <span class="n">TableAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-496" name="__codelineno-0-496"></a> |
| <a id="__codelineno-0-497" name="__codelineno-0-497"></a> <span class="k">return</span> <span class="n">CommitTableResponse</span><span class="p">(</span> |
| <a id="__codelineno-0-498" name="__codelineno-0-498"></a> <span class="n">metadata</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata</span><span class="p">,</span> <span class="n">metadata_location</span><span class="o">=</span><span class="n">updated_staged_table</span><span class="o">.</span><span class="n">metadata_location</span> |
| <a id="__codelineno-0-499" name="__codelineno-0-499"></a> <span class="p">)</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.create_namespace" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">create_namespace</span><span class="p">(</span><span class="n">namespace</span><span class="p">,</span> <span class="n">properties</span><span class="o">=</span><span class="n">EMPTY_DICT</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.create_namespace" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Create a namespace in the catalog.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>namespace</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Namespace identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>properties</code> |
| </td> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="Properties = Dict[str, Any] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Properties)" href="../../typedef/#pyiceberg.typedef.Properties">Properties</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>A string dictionary of properties for the given namespace.</p> |
| </div> |
| </td> |
| <td> |
| <code><span title="pyiceberg.typedef.EMPTY_DICT">EMPTY_DICT</span></code> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NamespaceAlreadyExistsError (pyiceberg.exceptions.NamespaceAlreadyExistsError)" href="../../exceptions/#pyiceberg.exceptions.NamespaceAlreadyExistsError">NamespaceAlreadyExistsError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a namespace with the given name already exists.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-533">533</a></span> |
| <span class="normal"><a href="#__codelineno-0-534">534</a></span> |
| <span class="normal"><a href="#__codelineno-0-535">535</a></span> |
| <span class="normal"><a href="#__codelineno-0-536">536</a></span> |
| <span class="normal"><a href="#__codelineno-0-537">537</a></span> |
| <span class="normal"><a href="#__codelineno-0-538">538</a></span> |
| <span class="normal"><a href="#__codelineno-0-539">539</a></span> |
| <span class="normal"><a href="#__codelineno-0-540">540</a></span> |
| <span class="normal"><a href="#__codelineno-0-541">541</a></span> |
| <span class="normal"><a href="#__codelineno-0-542">542</a></span> |
| <span class="normal"><a href="#__codelineno-0-543">543</a></span> |
| <span class="normal"><a href="#__codelineno-0-544">544</a></span> |
| <span class="normal"><a href="#__codelineno-0-545">545</a></span> |
| <span class="normal"><a href="#__codelineno-0-546">546</a></span> |
| <span class="normal"><a href="#__codelineno-0-547">547</a></span> |
| <span class="normal"><a href="#__codelineno-0-548">548</a></span> |
| <span class="normal"><a href="#__codelineno-0-549">549</a></span> |
| <span class="normal"><a href="#__codelineno-0-550">550</a></span> |
| <span class="normal"><a href="#__codelineno-0-551">551</a></span> |
| <span class="normal"><a href="#__codelineno-0-552">552</a></span> |
| <span class="normal"><a href="#__codelineno-0-553">553</a></span> |
| <span class="normal"><a href="#__codelineno-0-554">554</a></span> |
| <span class="normal"><a href="#__codelineno-0-555">555</a></span> |
| <span class="normal"><a href="#__codelineno-0-556">556</a></span> |
| <span class="normal"><a href="#__codelineno-0-557">557</a></span> |
| <span class="normal"><a href="#__codelineno-0-558">558</a></span> |
| <span class="normal"><a href="#__codelineno-0-559">559</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-533" name="__codelineno-0-533"></a><span class="k">def</span><span class="w"> </span><span class="nf">create_namespace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> <span class="n">properties</span><span class="p">:</span> <span class="n">Properties</span> <span class="o">=</span> <span class="n">EMPTY_DICT</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-534" name="__codelineno-0-534"></a><span class="w"> </span><span class="sd">"""Create a namespace in the catalog.</span> |
| <a id="__codelineno-0-535" name="__codelineno-0-535"></a> |
| <a id="__codelineno-0-536" name="__codelineno-0-536"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-537" name="__codelineno-0-537"></a><span class="sd"> namespace (str | Identifier): Namespace identifier.</span> |
| <a id="__codelineno-0-538" name="__codelineno-0-538"></a><span class="sd"> properties (Properties): A string dictionary of properties for the given namespace.</span> |
| <a id="__codelineno-0-539" name="__codelineno-0-539"></a> |
| <a id="__codelineno-0-540" name="__codelineno-0-540"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-541" name="__codelineno-0-541"></a><span class="sd"> NamespaceAlreadyExistsError: If a namespace with the given name already exists.</span> |
| <a id="__codelineno-0-542" name="__codelineno-0-542"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-543" name="__codelineno-0-543"></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-544" name="__codelineno-0-544"></a> <span class="k">raise</span> <span class="n">NamespaceAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> |
| <a id="__codelineno-0-545" name="__codelineno-0-545"></a> |
| <a id="__codelineno-0-546" name="__codelineno-0-546"></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">properties</span><span class="p">:</span> |
| <a id="__codelineno-0-547" name="__codelineno-0-547"></a> <span class="n">properties</span> <span class="o">=</span> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">NAMESPACE_MINIMAL_PROPERTIES</span> |
| <a id="__codelineno-0-548" name="__codelineno-0-548"></a> <span class="n">create_properties</span> <span class="o">=</span> <span class="n">properties</span> <span class="k">if</span> <span class="n">properties</span> <span class="k">else</span> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">NAMESPACE_MINIMAL_PROPERTIES</span> |
| <a id="__codelineno-0-549" name="__codelineno-0-549"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-550" name="__codelineno-0-550"></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">create_properties</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
| <a id="__codelineno-0-551" name="__codelineno-0-551"></a> <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> |
| <a id="__codelineno-0-552" name="__codelineno-0-552"></a> <span class="n">IcebergNamespaceProperties</span><span class="p">(</span> |
| <a id="__codelineno-0-553" name="__codelineno-0-553"></a> <span class="n">catalog_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-554" name="__codelineno-0-554"></a> <span class="n">namespace</span><span class="o">=</span><span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">,</span> <span class="n">NoSuchNamespaceError</span><span class="p">),</span> |
| <a id="__codelineno-0-555" name="__codelineno-0-555"></a> <span class="n">property_key</span><span class="o">=</span><span class="n">key</span><span class="p">,</span> |
| <a id="__codelineno-0-556" name="__codelineno-0-556"></a> <span class="n">property_value</span><span class="o">=</span><span class="n">value</span><span class="p">,</span> |
| <a id="__codelineno-0-557" name="__codelineno-0-557"></a> <span class="p">)</span> |
| <a id="__codelineno-0-558" name="__codelineno-0-558"></a> <span class="p">)</span> |
| <a id="__codelineno-0-559" name="__codelineno-0-559"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.create_table" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">create_table</span><span class="p">(</span><span class="n">identifier</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">location</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">partition_spec</span><span class="o">=</span><span class="n">UNPARTITIONED_PARTITION_SPEC</span><span class="p">,</span> <span class="n">sort_order</span><span class="o">=</span><span class="n">UNSORTED_SORT_ORDER</span><span class="p">,</span> <span class="n">properties</span><span class="o">=</span><span class="n">EMPTY_DICT</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.create_table" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Create an Iceberg table.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>identifier</code> |
| </td> |
| <td> |
| <code><span title="typing.Union">Union</span>[<span title="str">str</span>, <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a>]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Table identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>schema</code> |
| </td> |
| <td> |
| <code><span title="typing.Union">Union</span>[<a class="autorefs autorefs-internal" title="Schema (pyiceberg.schema.Schema)" href="../../schema/#pyiceberg.schema.Schema">Schema</a>, <span title="pyarrow.Schema">Schema</span>]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Table's schema.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>location</code> |
| </td> |
| <td> |
| <code><span title="typing.Optional">Optional</span>[<span title="str">str</span>]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Location for the table. Optional Argument.</p> |
| </div> |
| </td> |
| <td> |
| <code>None</code> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>partition_spec</code> |
| </td> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="PartitionSpec (pyiceberg.partitioning.PartitionSpec)" href="../../partitioning/#pyiceberg.partitioning.PartitionSpec">PartitionSpec</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>PartitionSpec for the table.</p> |
| </div> |
| </td> |
| <td> |
| <code><span title="pyiceberg.partitioning.UNPARTITIONED_PARTITION_SPEC">UNPARTITIONED_PARTITION_SPEC</span></code> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>sort_order</code> |
| </td> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="SortOrder (pyiceberg.table.sorting.SortOrder)" href="../../table/sorting/#pyiceberg.table.sorting.SortOrder">SortOrder</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>SortOrder for the table.</p> |
| </div> |
| </td> |
| <td> |
| <code><span title="pyiceberg.table.sorting.UNSORTED_SORT_ORDER">UNSORTED_SORT_ORDER</span></code> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>properties</code> |
| </td> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="Properties = Dict[str, Any] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Properties)" href="../../typedef/#pyiceberg.typedef.Properties">Properties</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Table properties that can be a string based dictionary.</p> |
| </div> |
| </td> |
| <td> |
| <code><span title="pyiceberg.typedef.EMPTY_DICT">EMPTY_DICT</span></code> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Returns:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td><code>Table</code></td> <td> |
| <code><a class="autorefs autorefs-internal" title="Table (pyiceberg.table.Table)" href="../../table/#pyiceberg.table.Table">Table</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>the created table instance.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><span title="AlreadyExistsError">AlreadyExistsError</span></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a table with the name already exists.</p> |
| </div> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code><span title="ValueError">ValueError</span></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If the identifier is invalid, or no path is given to store metadata.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-175">175</a></span> |
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| <span class="normal"><a href="#__codelineno-0-238">238</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-175" name="__codelineno-0-175"></a><span class="k">def</span><span class="w"> </span><span class="nf">create_table</span><span class="p">(</span> |
| <a id="__codelineno-0-176" name="__codelineno-0-176"></a> <span class="bp">self</span><span class="p">,</span> |
| <a id="__codelineno-0-177" name="__codelineno-0-177"></a> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> |
| <a id="__codelineno-0-178" name="__codelineno-0-178"></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">Schema</span><span class="p">,</span> <span class="s2">"pa.Schema"</span><span class="p">],</span> |
| <a id="__codelineno-0-179" name="__codelineno-0-179"></a> <span class="n">location</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> |
| <a id="__codelineno-0-180" name="__codelineno-0-180"></a> <span class="n">partition_spec</span><span class="p">:</span> <span class="n">PartitionSpec</span> <span class="o">=</span> <span class="n">UNPARTITIONED_PARTITION_SPEC</span><span class="p">,</span> |
| <a id="__codelineno-0-181" name="__codelineno-0-181"></a> <span class="n">sort_order</span><span class="p">:</span> <span class="n">SortOrder</span> <span class="o">=</span> <span class="n">UNSORTED_SORT_ORDER</span><span class="p">,</span> |
| <a id="__codelineno-0-182" name="__codelineno-0-182"></a> <span class="n">properties</span><span class="p">:</span> <span class="n">Properties</span> <span class="o">=</span> <span class="n">EMPTY_DICT</span><span class="p">,</span> |
| <a id="__codelineno-0-183" name="__codelineno-0-183"></a><span class="p">)</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-184" name="__codelineno-0-184"></a><span class="w"> </span><span class="sd">"""</span> |
| <a id="__codelineno-0-185" name="__codelineno-0-185"></a><span class="sd"> Create an Iceberg table.</span> |
| <a id="__codelineno-0-186" name="__codelineno-0-186"></a> |
| <a id="__codelineno-0-187" name="__codelineno-0-187"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-188" name="__codelineno-0-188"></a><span class="sd"> identifier: Table identifier.</span> |
| <a id="__codelineno-0-189" name="__codelineno-0-189"></a><span class="sd"> schema: Table's schema.</span> |
| <a id="__codelineno-0-190" name="__codelineno-0-190"></a><span class="sd"> location: Location for the table. Optional Argument.</span> |
| <a id="__codelineno-0-191" name="__codelineno-0-191"></a><span class="sd"> partition_spec: PartitionSpec for the table.</span> |
| <a id="__codelineno-0-192" name="__codelineno-0-192"></a><span class="sd"> sort_order: SortOrder for the table.</span> |
| <a id="__codelineno-0-193" name="__codelineno-0-193"></a><span class="sd"> properties: Table properties that can be a string based dictionary.</span> |
| <a id="__codelineno-0-194" name="__codelineno-0-194"></a> |
| <a id="__codelineno-0-195" name="__codelineno-0-195"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-196" name="__codelineno-0-196"></a><span class="sd"> Table: the created table instance.</span> |
| <a id="__codelineno-0-197" name="__codelineno-0-197"></a> |
| <a id="__codelineno-0-198" name="__codelineno-0-198"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-199" name="__codelineno-0-199"></a><span class="sd"> AlreadyExistsError: If a table with the name already exists.</span> |
| <a id="__codelineno-0-200" name="__codelineno-0-200"></a><span class="sd"> ValueError: If the identifier is invalid, or no path is given to store metadata.</span> |
| <a id="__codelineno-0-201" name="__codelineno-0-201"></a> |
| <a id="__codelineno-0-202" name="__codelineno-0-202"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-203" name="__codelineno-0-203"></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_convert_schema_if_needed</span><span class="p">(</span> <span class="c1"># type: ignore</span> |
| <a id="__codelineno-0-204" name="__codelineno-0-204"></a> <span class="n">schema</span><span class="p">,</span> |
| <a id="__codelineno-0-205" name="__codelineno-0-205"></a> <span class="nb">int</span><span class="p">(</span><span class="n">properties</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">TableProperties</span><span class="o">.</span><span class="n">FORMAT_VERSION</span><span class="p">,</span> <span class="n">TableProperties</span><span class="o">.</span><span class="n">DEFAULT_FORMAT_VERSION</span><span class="p">)),</span> <span class="c1"># type: ignore</span> |
| <a id="__codelineno-0-206" name="__codelineno-0-206"></a> <span class="p">)</span> |
| <a id="__codelineno-0-207" name="__codelineno-0-207"></a> |
| <a id="__codelineno-0-208" name="__codelineno-0-208"></a> <span class="n">namespace_identifier</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-209" name="__codelineno-0-209"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-210" name="__codelineno-0-210"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace_identifier</span><span class="p">):</span> |
| <a id="__codelineno-0-211" name="__codelineno-0-211"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace_identifier</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-212" name="__codelineno-0-212"></a> |
| <a id="__codelineno-0-213" name="__codelineno-0-213"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-214" name="__codelineno-0-214"></a> <span class="n">location</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_resolve_table_location</span><span class="p">(</span><span class="n">location</span><span class="p">,</span> <span class="n">namespace</span><span class="p">,</span> <span class="n">table_name</span><span class="p">)</span> |
| <a id="__codelineno-0-215" name="__codelineno-0-215"></a> <span class="n">location_provider</span> <span class="o">=</span> <span class="n">load_location_provider</span><span class="p">(</span><span class="n">table_location</span><span class="o">=</span><span class="n">location</span><span class="p">,</span> <span class="n">table_properties</span><span class="o">=</span><span class="n">properties</span><span class="p">)</span> |
| <a id="__codelineno-0-216" name="__codelineno-0-216"></a> <span class="n">metadata_location</span> <span class="o">=</span> <span class="n">location_provider</span><span class="o">.</span><span class="n">new_table_metadata_file_location</span><span class="p">()</span> |
| <a id="__codelineno-0-217" name="__codelineno-0-217"></a> <span class="n">metadata</span> <span class="o">=</span> <span class="n">new_table_metadata</span><span class="p">(</span> |
| <a id="__codelineno-0-218" name="__codelineno-0-218"></a> <span class="n">location</span><span class="o">=</span><span class="n">location</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">partition_spec</span><span class="o">=</span><span class="n">partition_spec</span><span class="p">,</span> <span class="n">sort_order</span><span class="o">=</span><span class="n">sort_order</span><span class="p">,</span> <span class="n">properties</span><span class="o">=</span><span class="n">properties</span> |
| <a id="__codelineno-0-219" name="__codelineno-0-219"></a> <span class="p">)</span> |
| <a id="__codelineno-0-220" name="__codelineno-0-220"></a> <span class="n">io</span> <span class="o">=</span> <span class="n">load_file_io</span><span class="p">(</span><span class="n">properties</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">,</span> <span class="n">location</span><span class="o">=</span><span class="n">metadata_location</span><span class="p">)</span> |
| <a id="__codelineno-0-221" name="__codelineno-0-221"></a> <span class="bp">self</span><span class="o">.</span><span class="n">_write_metadata</span><span class="p">(</span><span class="n">metadata</span><span class="p">,</span> <span class="n">io</span><span class="p">,</span> <span class="n">metadata_location</span><span class="p">)</span> |
| <a id="__codelineno-0-222" name="__codelineno-0-222"></a> |
| <a id="__codelineno-0-223" name="__codelineno-0-223"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-224" name="__codelineno-0-224"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-225" name="__codelineno-0-225"></a> <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> |
| <a id="__codelineno-0-226" name="__codelineno-0-226"></a> <span class="n">IcebergTables</span><span class="p">(</span> |
| <a id="__codelineno-0-227" name="__codelineno-0-227"></a> <span class="n">catalog_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-228" name="__codelineno-0-228"></a> <span class="n">table_namespace</span><span class="o">=</span><span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-229" name="__codelineno-0-229"></a> <span class="n">table_name</span><span class="o">=</span><span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-230" name="__codelineno-0-230"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-231" name="__codelineno-0-231"></a> <span class="n">previous_metadata_location</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <a id="__codelineno-0-232" name="__codelineno-0-232"></a> <span class="p">)</span> |
| <a id="__codelineno-0-233" name="__codelineno-0-233"></a> <span class="p">)</span> |
| <a id="__codelineno-0-234" name="__codelineno-0-234"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-235" name="__codelineno-0-235"></a> <span class="k">except</span> <span class="n">IntegrityError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-236" name="__codelineno-0-236"></a> <span class="k">raise</span> <span class="n">TableAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-237" name="__codelineno-0-237"></a> |
| <a id="__codelineno-0-238" name="__codelineno-0-238"></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_table</span><span class="p">(</span><span class="n">identifier</span><span class="o">=</span><span class="n">identifier</span><span class="p">)</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.drop_namespace" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">drop_namespace</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.drop_namespace" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Drop a namespace.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>namespace</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Namespace identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchNamespaceError (pyiceberg.exceptions.NoSuchNamespaceError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchNamespaceError">NoSuchNamespaceError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a namespace with the given name does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NamespaceNotEmptyError (pyiceberg.exceptions.NamespaceNotEmptyError)" href="../../exceptions/#pyiceberg.exceptions.NamespaceNotEmptyError">NamespaceNotEmptyError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If the namespace is not empty.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-561">561</a></span> |
| <span class="normal"><a href="#__codelineno-0-562">562</a></span> |
| <span class="normal"><a href="#__codelineno-0-563">563</a></span> |
| <span class="normal"><a href="#__codelineno-0-564">564</a></span> |
| <span class="normal"><a href="#__codelineno-0-565">565</a></span> |
| <span class="normal"><a href="#__codelineno-0-566">566</a></span> |
| <span class="normal"><a href="#__codelineno-0-567">567</a></span> |
| <span class="normal"><a href="#__codelineno-0-568">568</a></span> |
| <span class="normal"><a href="#__codelineno-0-569">569</a></span> |
| <span class="normal"><a href="#__codelineno-0-570">570</a></span> |
| <span class="normal"><a href="#__codelineno-0-571">571</a></span> |
| <span class="normal"><a href="#__codelineno-0-572">572</a></span> |
| <span class="normal"><a href="#__codelineno-0-573">573</a></span> |
| <span class="normal"><a href="#__codelineno-0-574">574</a></span> |
| <span class="normal"><a href="#__codelineno-0-575">575</a></span> |
| <span class="normal"><a href="#__codelineno-0-576">576</a></span> |
| <span class="normal"><a href="#__codelineno-0-577">577</a></span> |
| <span class="normal"><a href="#__codelineno-0-578">578</a></span> |
| <span class="normal"><a href="#__codelineno-0-579">579</a></span> |
| <span class="normal"><a href="#__codelineno-0-580">580</a></span> |
| <span class="normal"><a href="#__codelineno-0-581">581</a></span> |
| <span class="normal"><a href="#__codelineno-0-582">582</a></span> |
| <span class="normal"><a href="#__codelineno-0-583">583</a></span> |
| <span class="normal"><a href="#__codelineno-0-584">584</a></span> |
| <span class="normal"><a href="#__codelineno-0-585">585</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-561" name="__codelineno-0-561"></a><span class="k">def</span><span class="w"> </span><span class="nf">drop_namespace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-562" name="__codelineno-0-562"></a><span class="w"> </span><span class="sd">"""Drop a namespace.</span> |
| <a id="__codelineno-0-563" name="__codelineno-0-563"></a> |
| <a id="__codelineno-0-564" name="__codelineno-0-564"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-565" name="__codelineno-0-565"></a><span class="sd"> namespace (str | Identifier): Namespace identifier.</span> |
| <a id="__codelineno-0-566" name="__codelineno-0-566"></a> |
| <a id="__codelineno-0-567" name="__codelineno-0-567"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-568" name="__codelineno-0-568"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-569" name="__codelineno-0-569"></a><span class="sd"> NamespaceNotEmptyError: If the namespace is not empty.</span> |
| <a id="__codelineno-0-570" name="__codelineno-0-570"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-571" name="__codelineno-0-571"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-572" name="__codelineno-0-572"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-573" name="__codelineno-0-573"></a> |
| <a id="__codelineno-0-574" name="__codelineno-0-574"></a> <span class="n">namespace_str</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-575" name="__codelineno-0-575"></a> <span class="k">if</span> <span class="n">tables</span> <span class="o">:=</span> <span class="bp">self</span><span class="o">.</span><span class="n">list_tables</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-576" name="__codelineno-0-576"></a> <span class="k">raise</span> <span class="n">NamespaceNotEmptyError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace </span><span class="si">{</span><span class="n">namespace_str</span><span class="si">}</span><span class="s2"> is not empty. </span><span class="si">{</span><span class="nb">len</span><span class="p">(</span><span class="n">tables</span><span class="p">)</span><span class="si">}</span><span class="s2"> tables exist."</span><span class="p">)</span> |
| <a id="__codelineno-0-577" name="__codelineno-0-577"></a> |
| <a id="__codelineno-0-578" name="__codelineno-0-578"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-579" name="__codelineno-0-579"></a> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span> |
| <a id="__codelineno-0-580" name="__codelineno-0-580"></a> <span class="n">delete</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-581" name="__codelineno-0-581"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-582" name="__codelineno-0-582"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace_str</span><span class="p">,</span> |
| <a id="__codelineno-0-583" name="__codelineno-0-583"></a> <span class="p">)</span> |
| <a id="__codelineno-0-584" name="__codelineno-0-584"></a> <span class="p">)</span> |
| <a id="__codelineno-0-585" name="__codelineno-0-585"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.drop_table" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">drop_table</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.drop_table" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Drop a table.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>identifier</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Table identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchTableError (pyiceberg.exceptions.NoSuchTableError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchTableError">NoSuchTableError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a table with the name does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-306">306</a></span> |
| <span class="normal"><a href="#__codelineno-0-307">307</a></span> |
| <span class="normal"><a href="#__codelineno-0-308">308</a></span> |
| <span class="normal"><a href="#__codelineno-0-309">309</a></span> |
| <span class="normal"><a href="#__codelineno-0-310">310</a></span> |
| <span class="normal"><a href="#__codelineno-0-311">311</a></span> |
| <span class="normal"><a href="#__codelineno-0-312">312</a></span> |
| <span class="normal"><a href="#__codelineno-0-313">313</a></span> |
| <span class="normal"><a href="#__codelineno-0-314">314</a></span> |
| <span class="normal"><a href="#__codelineno-0-315">315</a></span> |
| <span class="normal"><a href="#__codelineno-0-316">316</a></span> |
| <span class="normal"><a href="#__codelineno-0-317">317</a></span> |
| <span class="normal"><a href="#__codelineno-0-318">318</a></span> |
| <span class="normal"><a href="#__codelineno-0-319">319</a></span> |
| <span class="normal"><a href="#__codelineno-0-320">320</a></span> |
| <span class="normal"><a href="#__codelineno-0-321">321</a></span> |
| <span class="normal"><a href="#__codelineno-0-322">322</a></span> |
| <span class="normal"><a href="#__codelineno-0-323">323</a></span> |
| <span class="normal"><a href="#__codelineno-0-324">324</a></span> |
| <span class="normal"><a href="#__codelineno-0-325">325</a></span> |
| <span class="normal"><a href="#__codelineno-0-326">326</a></span> |
| <span class="normal"><a href="#__codelineno-0-327">327</a></span> |
| <span class="normal"><a href="#__codelineno-0-328">328</a></span> |
| <span class="normal"><a href="#__codelineno-0-329">329</a></span> |
| <span class="normal"><a href="#__codelineno-0-330">330</a></span> |
| <span class="normal"><a href="#__codelineno-0-331">331</a></span> |
| <span class="normal"><a href="#__codelineno-0-332">332</a></span> |
| <span class="normal"><a href="#__codelineno-0-333">333</a></span> |
| <span class="normal"><a href="#__codelineno-0-334">334</a></span> |
| <span class="normal"><a href="#__codelineno-0-335">335</a></span> |
| <span class="normal"><a href="#__codelineno-0-336">336</a></span> |
| <span class="normal"><a href="#__codelineno-0-337">337</a></span> |
| <span class="normal"><a href="#__codelineno-0-338">338</a></span> |
| <span class="normal"><a href="#__codelineno-0-339">339</a></span> |
| <span class="normal"><a href="#__codelineno-0-340">340</a></span> |
| <span class="normal"><a href="#__codelineno-0-341">341</a></span> |
| <span class="normal"><a href="#__codelineno-0-342">342</a></span> |
| <span class="normal"><a href="#__codelineno-0-343">343</a></span> |
| <span class="normal"><a href="#__codelineno-0-344">344</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-306" name="__codelineno-0-306"></a><span class="k">def</span><span class="w"> </span><span class="nf">drop_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> |
| <a id="__codelineno-0-307" name="__codelineno-0-307"></a><span class="w"> </span><span class="sd">"""Drop a table.</span> |
| <a id="__codelineno-0-308" name="__codelineno-0-308"></a> |
| <a id="__codelineno-0-309" name="__codelineno-0-309"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-310" name="__codelineno-0-310"></a><span class="sd"> identifier (str | Identifier): Table identifier.</span> |
| <a id="__codelineno-0-311" name="__codelineno-0-311"></a> |
| <a id="__codelineno-0-312" name="__codelineno-0-312"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-313" name="__codelineno-0-313"></a><span class="sd"> NoSuchTableError: If a table with the name does not exist.</span> |
| <a id="__codelineno-0-314" name="__codelineno-0-314"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-315" name="__codelineno-0-315"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-316" name="__codelineno-0-316"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-317" name="__codelineno-0-317"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-318" name="__codelineno-0-318"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-319" name="__codelineno-0-319"></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">dialect</span><span class="o">.</span><span class="n">supports_sane_rowcount</span><span class="p">:</span> |
| <a id="__codelineno-0-320" name="__codelineno-0-320"></a> <span class="n">res</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span> |
| <a id="__codelineno-0-321" name="__codelineno-0-321"></a> <span class="n">delete</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-322" name="__codelineno-0-322"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-323" name="__codelineno-0-323"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-324" name="__codelineno-0-324"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-325" name="__codelineno-0-325"></a> <span class="p">)</span> |
| <a id="__codelineno-0-326" name="__codelineno-0-326"></a> <span class="p">)</span> |
| <a id="__codelineno-0-327" name="__codelineno-0-327"></a> <span class="k">if</span> <span class="n">res</span><span class="o">.</span><span class="n">rowcount</span> <span class="o"><</span> <span class="mi">1</span><span class="p">:</span> |
| <a id="__codelineno-0-328" name="__codelineno-0-328"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-329" name="__codelineno-0-329"></a> <span class="k">else</span><span class="p">:</span> |
| <a id="__codelineno-0-330" name="__codelineno-0-330"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-331" name="__codelineno-0-331"></a> <span class="n">tbl</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-332" name="__codelineno-0-332"></a> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-333" name="__codelineno-0-333"></a> <span class="o">.</span><span class="n">with_for_update</span><span class="p">(</span><span class="n">of</span><span class="o">=</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-334" name="__codelineno-0-334"></a> <span class="o">.</span><span class="n">filter</span><span class="p">(</span> |
| <a id="__codelineno-0-335" name="__codelineno-0-335"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-336" name="__codelineno-0-336"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-337" name="__codelineno-0-337"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-338" name="__codelineno-0-338"></a> <span class="p">)</span> |
| <a id="__codelineno-0-339" name="__codelineno-0-339"></a> <span class="o">.</span><span class="n">one</span><span class="p">()</span> |
| <a id="__codelineno-0-340" name="__codelineno-0-340"></a> <span class="p">)</span> |
| <a id="__codelineno-0-341" name="__codelineno-0-341"></a> <span class="n">session</span><span class="o">.</span><span class="n">delete</span><span class="p">(</span><span class="n">tbl</span><span class="p">)</span> |
| <a id="__codelineno-0-342" name="__codelineno-0-342"></a> <span class="k">except</span> <span class="n">NoResultFound</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-343" name="__codelineno-0-343"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-344" name="__codelineno-0-344"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.list_namespaces" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">list_namespaces</span><span class="p">(</span><span class="n">namespace</span><span class="o">=</span><span class="p">())</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.list_namespaces" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>List namespaces from the given namespace. If not given, list top-level namespaces from the catalog.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>namespace</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Namespace identifier to search.</p> |
| </div> |
| </td> |
| <td> |
| <code>()</code> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Returns:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><span title="typing.List">List</span>[<a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a>]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>List[Identifier]: a List of namespace identifiers.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchNamespaceError (pyiceberg.exceptions.NoSuchNamespaceError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchNamespaceError">NoSuchNamespaceError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a namespace with the given name does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-608">608</a></span> |
| <span class="normal"><a href="#__codelineno-0-609">609</a></span> |
| <span class="normal"><a href="#__codelineno-0-610">610</a></span> |
| <span class="normal"><a href="#__codelineno-0-611">611</a></span> |
| <span class="normal"><a href="#__codelineno-0-612">612</a></span> |
| <span class="normal"><a href="#__codelineno-0-613">613</a></span> |
| <span class="normal"><a href="#__codelineno-0-614">614</a></span> |
| <span class="normal"><a href="#__codelineno-0-615">615</a></span> |
| <span class="normal"><a href="#__codelineno-0-616">616</a></span> |
| <span class="normal"><a href="#__codelineno-0-617">617</a></span> |
| <span class="normal"><a href="#__codelineno-0-618">618</a></span> |
| <span class="normal"><a href="#__codelineno-0-619">619</a></span> |
| <span class="normal"><a href="#__codelineno-0-620">620</a></span> |
| <span class="normal"><a href="#__codelineno-0-621">621</a></span> |
| <span class="normal"><a href="#__codelineno-0-622">622</a></span> |
| <span class="normal"><a href="#__codelineno-0-623">623</a></span> |
| <span class="normal"><a href="#__codelineno-0-624">624</a></span> |
| <span class="normal"><a href="#__codelineno-0-625">625</a></span> |
| <span class="normal"><a href="#__codelineno-0-626">626</a></span> |
| <span class="normal"><a href="#__codelineno-0-627">627</a></span> |
| <span class="normal"><a href="#__codelineno-0-628">628</a></span> |
| <span class="normal"><a href="#__codelineno-0-629">629</a></span> |
| <span class="normal"><a href="#__codelineno-0-630">630</a></span> |
| <span class="normal"><a href="#__codelineno-0-631">631</a></span> |
| <span class="normal"><a href="#__codelineno-0-632">632</a></span> |
| <span class="normal"><a href="#__codelineno-0-633">633</a></span> |
| <span class="normal"><a href="#__codelineno-0-634">634</a></span> |
| <span class="normal"><a href="#__codelineno-0-635">635</a></span> |
| <span class="normal"><a href="#__codelineno-0-636">636</a></span> |
| <span class="normal"><a href="#__codelineno-0-637">637</a></span> |
| <span class="normal"><a href="#__codelineno-0-638">638</a></span> |
| <span class="normal"><a href="#__codelineno-0-639">639</a></span> |
| <span class="normal"><a href="#__codelineno-0-640">640</a></span> |
| <span class="normal"><a href="#__codelineno-0-641">641</a></span> |
| <span class="normal"><a href="#__codelineno-0-642">642</a></span> |
| <span class="normal"><a href="#__codelineno-0-643">643</a></span> |
| <span class="normal"><a href="#__codelineno-0-644">644</a></span> |
| <span class="normal"><a href="#__codelineno-0-645">645</a></span> |
| <span class="normal"><a href="#__codelineno-0-646">646</a></span> |
| <span class="normal"><a href="#__codelineno-0-647">647</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-608" name="__codelineno-0-608"></a><span class="k">def</span><span class="w"> </span><span class="nf">list_namespaces</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">]</span> <span class="o">=</span> <span class="p">())</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="n">Identifier</span><span class="p">]:</span> |
| <a id="__codelineno-0-609" name="__codelineno-0-609"></a><span class="w"> </span><span class="sd">"""List namespaces from the given namespace. If not given, list top-level namespaces from the catalog.</span> |
| <a id="__codelineno-0-610" name="__codelineno-0-610"></a> |
| <a id="__codelineno-0-611" name="__codelineno-0-611"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-612" name="__codelineno-0-612"></a><span class="sd"> namespace (str | Identifier): Namespace identifier to search.</span> |
| <a id="__codelineno-0-613" name="__codelineno-0-613"></a> |
| <a id="__codelineno-0-614" name="__codelineno-0-614"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-615" name="__codelineno-0-615"></a><span class="sd"> List[Identifier]: a List of namespace identifiers.</span> |
| <a id="__codelineno-0-616" name="__codelineno-0-616"></a> |
| <a id="__codelineno-0-617" name="__codelineno-0-617"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-618" name="__codelineno-0-618"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-619" name="__codelineno-0-619"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-620" name="__codelineno-0-620"></a> <span class="k">if</span> <span class="n">namespace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-621" name="__codelineno-0-621"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-622" name="__codelineno-0-622"></a> |
| <a id="__codelineno-0-623" name="__codelineno-0-623"></a> <span class="n">table_stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> |
| <a id="__codelineno-0-624" name="__codelineno-0-624"></a> <span class="n">namespace_stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> |
| <a id="__codelineno-0-625" name="__codelineno-0-625"></a> <span class="k">if</span> <span class="n">namespace</span><span class="p">:</span> |
| <a id="__codelineno-0-626" name="__codelineno-0-626"></a> <span class="n">namespace_like</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">,</span> <span class="n">NoSuchNamespaceError</span><span class="p">)</span> <span class="o">+</span> <span class="s2">"%"</span> |
| <a id="__codelineno-0-627" name="__codelineno-0-627"></a> <span class="n">table_stmt</span> <span class="o">=</span> <span class="n">table_stmt</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span><span class="o">.</span><span class="n">like</span><span class="p">(</span><span class="n">namespace_like</span><span class="p">))</span> |
| <a id="__codelineno-0-628" name="__codelineno-0-628"></a> <span class="n">namespace_stmt</span> <span class="o">=</span> <span class="n">namespace_stmt</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span><span class="o">.</span><span class="n">like</span><span class="p">(</span><span class="n">namespace_like</span><span class="p">))</span> |
| <a id="__codelineno-0-629" name="__codelineno-0-629"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">union</span><span class="p">(</span> |
| <a id="__codelineno-0-630" name="__codelineno-0-630"></a> <span class="n">table_stmt</span><span class="p">,</span> |
| <a id="__codelineno-0-631" name="__codelineno-0-631"></a> <span class="n">namespace_stmt</span><span class="p">,</span> |
| <a id="__codelineno-0-632" name="__codelineno-0-632"></a> <span class="p">)</span> |
| <a id="__codelineno-0-633" name="__codelineno-0-633"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-634" name="__codelineno-0-634"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">identifier_to_tuple</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-635" name="__codelineno-0-635"></a> <span class="n">sub_namespaces_level_length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span> |
| <a id="__codelineno-0-636" name="__codelineno-0-636"></a> |
| <a id="__codelineno-0-637" name="__codelineno-0-637"></a> <span class="n">namespaces</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span> |
| <a id="__codelineno-0-638" name="__codelineno-0-638"></a> <span class="p">{</span> <span class="c1"># only get distinct namespaces</span> |
| <a id="__codelineno-0-639" name="__codelineno-0-639"></a> <span class="n">ns</span><span class="p">[:</span><span class="n">sub_namespaces_level_length</span><span class="p">]</span> <span class="c1"># truncate to the required level</span> |
| <a id="__codelineno-0-640" name="__codelineno-0-640"></a> <span class="k">for</span> <span class="n">ns</span> <span class="ow">in</span> <span class="p">{</span><span class="n">Catalog</span><span class="o">.</span><span class="n">identifier_to_tuple</span><span class="p">(</span><span class="n">ns</span><span class="p">)</span> <span class="k">for</span> <span class="n">ns</span> <span class="ow">in</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span><span class="o">.</span><span class="n">scalars</span><span class="p">()}</span> |
| <a id="__codelineno-0-641" name="__codelineno-0-641"></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">ns</span><span class="p">)</span> <span class="o">>=</span> <span class="n">sub_namespaces_level_length</span> <span class="c1"># only get sub namespaces/children</span> |
| <a id="__codelineno-0-642" name="__codelineno-0-642"></a> <span class="ow">and</span> <span class="n">ns</span><span class="p">[:</span> <span class="n">sub_namespaces_level_length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> <span class="o">==</span> <span class="n">namespace_tuple</span> |
| <a id="__codelineno-0-643" name="__codelineno-0-643"></a> <span class="c1"># exclude fuzzy matches when `namespace` contains `%` or `_`</span> |
| <a id="__codelineno-0-644" name="__codelineno-0-644"></a> <span class="p">}</span> |
| <a id="__codelineno-0-645" name="__codelineno-0-645"></a> <span class="p">)</span> |
| <a id="__codelineno-0-646" name="__codelineno-0-646"></a> |
| <a id="__codelineno-0-647" name="__codelineno-0-647"></a> <span class="k">return</span> <span class="n">namespaces</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.list_tables" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">list_tables</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.list_tables" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>List tables under the given namespace in the catalog.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>namespace</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Namespace identifier to search.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Returns:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><span title="typing.List">List</span>[<a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a>]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>List[Identifier]: list of table identifiers.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchNamespaceError (pyiceberg.exceptions.NoSuchNamespaceError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchNamespaceError">NoSuchNamespaceError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a namespace with the given name does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-587">587</a></span> |
| <span class="normal"><a href="#__codelineno-0-588">588</a></span> |
| <span class="normal"><a href="#__codelineno-0-589">589</a></span> |
| <span class="normal"><a href="#__codelineno-0-590">590</a></span> |
| <span class="normal"><a href="#__codelineno-0-591">591</a></span> |
| <span class="normal"><a href="#__codelineno-0-592">592</a></span> |
| <span class="normal"><a href="#__codelineno-0-593">593</a></span> |
| <span class="normal"><a href="#__codelineno-0-594">594</a></span> |
| <span class="normal"><a href="#__codelineno-0-595">595</a></span> |
| <span class="normal"><a href="#__codelineno-0-596">596</a></span> |
| <span class="normal"><a href="#__codelineno-0-597">597</a></span> |
| <span class="normal"><a href="#__codelineno-0-598">598</a></span> |
| <span class="normal"><a href="#__codelineno-0-599">599</a></span> |
| <span class="normal"><a href="#__codelineno-0-600">600</a></span> |
| <span class="normal"><a href="#__codelineno-0-601">601</a></span> |
| <span class="normal"><a href="#__codelineno-0-602">602</a></span> |
| <span class="normal"><a href="#__codelineno-0-603">603</a></span> |
| <span class="normal"><a href="#__codelineno-0-604">604</a></span> |
| <span class="normal"><a href="#__codelineno-0-605">605</a></span> |
| <span class="normal"><a href="#__codelineno-0-606">606</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-587" name="__codelineno-0-587"></a><span class="k">def</span><span class="w"> </span><span class="nf">list_tables</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="n">Identifier</span><span class="p">]:</span> |
| <a id="__codelineno-0-588" name="__codelineno-0-588"></a><span class="w"> </span><span class="sd">"""List tables under the given namespace in the catalog.</span> |
| <a id="__codelineno-0-589" name="__codelineno-0-589"></a> |
| <a id="__codelineno-0-590" name="__codelineno-0-590"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-591" name="__codelineno-0-591"></a><span class="sd"> namespace (str | Identifier): Namespace identifier to search.</span> |
| <a id="__codelineno-0-592" name="__codelineno-0-592"></a> |
| <a id="__codelineno-0-593" name="__codelineno-0-593"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-594" name="__codelineno-0-594"></a><span class="sd"> List[Identifier]: list of table identifiers.</span> |
| <a id="__codelineno-0-595" name="__codelineno-0-595"></a> |
| <a id="__codelineno-0-596" name="__codelineno-0-596"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-597" name="__codelineno-0-597"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-598" name="__codelineno-0-598"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-599" name="__codelineno-0-599"></a> <span class="k">if</span> <span class="n">namespace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-600" name="__codelineno-0-600"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-601" name="__codelineno-0-601"></a> |
| <a id="__codelineno-0-602" name="__codelineno-0-602"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-603" name="__codelineno-0-603"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-604" name="__codelineno-0-604"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-605" name="__codelineno-0-605"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">scalars</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-606" name="__codelineno-0-606"></a> <span class="k">return</span> <span class="p">[(</span><span class="n">Catalog</span><span class="o">.</span><span class="n">identifier_to_tuple</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">table_namespace</span><span class="p">)</span> <span class="o">+</span> <span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">table_name</span><span class="p">,))</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">result</span><span class="p">]</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.load_namespace_properties" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">load_namespace_properties</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.load_namespace_properties" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Get properties for a namespace.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>namespace</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Namespace identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Returns:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td><code>Properties</code></td> <td> |
| <code><a class="autorefs autorefs-internal" title="Properties = Dict[str, Any] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Properties)" href="../../typedef/#pyiceberg.typedef.Properties">Properties</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Properties for the given namespace.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchNamespaceError (pyiceberg.exceptions.NoSuchNamespaceError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchNamespaceError">NoSuchNamespaceError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a namespace with the given name does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-649">649</a></span> |
| <span class="normal"><a href="#__codelineno-0-650">650</a></span> |
| <span class="normal"><a href="#__codelineno-0-651">651</a></span> |
| <span class="normal"><a href="#__codelineno-0-652">652</a></span> |
| <span class="normal"><a href="#__codelineno-0-653">653</a></span> |
| <span class="normal"><a href="#__codelineno-0-654">654</a></span> |
| <span class="normal"><a href="#__codelineno-0-655">655</a></span> |
| <span class="normal"><a href="#__codelineno-0-656">656</a></span> |
| <span class="normal"><a href="#__codelineno-0-657">657</a></span> |
| <span class="normal"><a href="#__codelineno-0-658">658</a></span> |
| <span class="normal"><a href="#__codelineno-0-659">659</a></span> |
| <span class="normal"><a href="#__codelineno-0-660">660</a></span> |
| <span class="normal"><a href="#__codelineno-0-661">661</a></span> |
| <span class="normal"><a href="#__codelineno-0-662">662</a></span> |
| <span class="normal"><a href="#__codelineno-0-663">663</a></span> |
| <span class="normal"><a href="#__codelineno-0-664">664</a></span> |
| <span class="normal"><a href="#__codelineno-0-665">665</a></span> |
| <span class="normal"><a href="#__codelineno-0-666">666</a></span> |
| <span class="normal"><a href="#__codelineno-0-667">667</a></span> |
| <span class="normal"><a href="#__codelineno-0-668">668</a></span> |
| <span class="normal"><a href="#__codelineno-0-669">669</a></span> |
| <span class="normal"><a href="#__codelineno-0-670">670</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-649" name="__codelineno-0-649"></a><span class="k">def</span><span class="w"> </span><span class="nf">load_namespace_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">Properties</span><span class="p">:</span> |
| <a id="__codelineno-0-650" name="__codelineno-0-650"></a><span class="w"> </span><span class="sd">"""Get properties for a namespace.</span> |
| <a id="__codelineno-0-651" name="__codelineno-0-651"></a> |
| <a id="__codelineno-0-652" name="__codelineno-0-652"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-653" name="__codelineno-0-653"></a><span class="sd"> namespace (str | Identifier): Namespace identifier.</span> |
| <a id="__codelineno-0-654" name="__codelineno-0-654"></a> |
| <a id="__codelineno-0-655" name="__codelineno-0-655"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-656" name="__codelineno-0-656"></a><span class="sd"> Properties: Properties for the given namespace.</span> |
| <a id="__codelineno-0-657" name="__codelineno-0-657"></a> |
| <a id="__codelineno-0-658" name="__codelineno-0-658"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-659" name="__codelineno-0-659"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-660" name="__codelineno-0-660"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-661" name="__codelineno-0-661"></a> <span class="n">namespace_str</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-662" name="__codelineno-0-662"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-663" name="__codelineno-0-663"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace </span><span class="si">{</span><span class="n">namespace_str</span><span class="si">}</span><span class="s2"> does not exists"</span><span class="p">)</span> |
| <a id="__codelineno-0-664" name="__codelineno-0-664"></a> |
| <a id="__codelineno-0-665" name="__codelineno-0-665"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-666" name="__codelineno-0-666"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace_str</span> |
| <a id="__codelineno-0-667" name="__codelineno-0-667"></a> <span class="p">)</span> |
| <a id="__codelineno-0-668" name="__codelineno-0-668"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-669" name="__codelineno-0-669"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">scalars</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-670" name="__codelineno-0-670"></a> <span class="k">return</span> <span class="p">{</span><span class="n">props</span><span class="o">.</span><span class="n">property_key</span><span class="p">:</span> <span class="n">props</span><span class="o">.</span><span class="n">property_value</span> <span class="k">for</span> <span class="n">props</span> <span class="ow">in</span> <span class="n">result</span><span class="p">}</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.load_table" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">load_table</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.load_table" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Load the table's metadata and return the table instance.</p> |
| <p>You can also use this method to check for table existence using 'try catalog.table() except NoSuchTableError'. |
| Note: This method doesn't scan data stored in the table.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>identifier</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Table identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Returns:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td><code>Table</code></td> <td> |
| <code><a class="autorefs autorefs-internal" title="Table (pyiceberg.table.Table)" href="../../table/#pyiceberg.table.Table">Table</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>the table instance with its metadata.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchTableError (pyiceberg.exceptions.NoSuchTableError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchTableError">NoSuchTableError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a table with the name does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-277">277</a></span> |
| <span class="normal"><a href="#__codelineno-0-278">278</a></span> |
| <span class="normal"><a href="#__codelineno-0-279">279</a></span> |
| <span class="normal"><a href="#__codelineno-0-280">280</a></span> |
| <span class="normal"><a href="#__codelineno-0-281">281</a></span> |
| <span class="normal"><a href="#__codelineno-0-282">282</a></span> |
| <span class="normal"><a href="#__codelineno-0-283">283</a></span> |
| <span class="normal"><a href="#__codelineno-0-284">284</a></span> |
| <span class="normal"><a href="#__codelineno-0-285">285</a></span> |
| <span class="normal"><a href="#__codelineno-0-286">286</a></span> |
| <span class="normal"><a href="#__codelineno-0-287">287</a></span> |
| <span class="normal"><a href="#__codelineno-0-288">288</a></span> |
| <span class="normal"><a href="#__codelineno-0-289">289</a></span> |
| <span class="normal"><a href="#__codelineno-0-290">290</a></span> |
| <span class="normal"><a href="#__codelineno-0-291">291</a></span> |
| <span class="normal"><a href="#__codelineno-0-292">292</a></span> |
| <span class="normal"><a href="#__codelineno-0-293">293</a></span> |
| <span class="normal"><a href="#__codelineno-0-294">294</a></span> |
| <span class="normal"><a href="#__codelineno-0-295">295</a></span> |
| <span class="normal"><a href="#__codelineno-0-296">296</a></span> |
| <span class="normal"><a href="#__codelineno-0-297">297</a></span> |
| <span class="normal"><a href="#__codelineno-0-298">298</a></span> |
| <span class="normal"><a href="#__codelineno-0-299">299</a></span> |
| <span class="normal"><a href="#__codelineno-0-300">300</a></span> |
| <span class="normal"><a href="#__codelineno-0-301">301</a></span> |
| <span class="normal"><a href="#__codelineno-0-302">302</a></span> |
| <span class="normal"><a href="#__codelineno-0-303">303</a></span> |
| <span class="normal"><a href="#__codelineno-0-304">304</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-277" name="__codelineno-0-277"></a><span class="k">def</span><span class="w"> </span><span class="nf">load_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-278" name="__codelineno-0-278"></a><span class="w"> </span><span class="sd">"""Load the table's metadata and return the table instance.</span> |
| <a id="__codelineno-0-279" name="__codelineno-0-279"></a> |
| <a id="__codelineno-0-280" name="__codelineno-0-280"></a><span class="sd"> You can also use this method to check for table existence using 'try catalog.table() except NoSuchTableError'.</span> |
| <a id="__codelineno-0-281" name="__codelineno-0-281"></a><span class="sd"> Note: This method doesn't scan data stored in the table.</span> |
| <a id="__codelineno-0-282" name="__codelineno-0-282"></a> |
| <a id="__codelineno-0-283" name="__codelineno-0-283"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-284" name="__codelineno-0-284"></a><span class="sd"> identifier (str | Identifier): Table identifier.</span> |
| <a id="__codelineno-0-285" name="__codelineno-0-285"></a> |
| <a id="__codelineno-0-286" name="__codelineno-0-286"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-287" name="__codelineno-0-287"></a><span class="sd"> Table: the table instance with its metadata.</span> |
| <a id="__codelineno-0-288" name="__codelineno-0-288"></a> |
| <a id="__codelineno-0-289" name="__codelineno-0-289"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-290" name="__codelineno-0-290"></a><span class="sd"> NoSuchTableError: If a table with the name does not exist.</span> |
| <a id="__codelineno-0-291" name="__codelineno-0-291"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-292" name="__codelineno-0-292"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-293" name="__codelineno-0-293"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-294" name="__codelineno-0-294"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-295" name="__codelineno-0-295"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-296" name="__codelineno-0-296"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="n">select</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-297" name="__codelineno-0-297"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-298" name="__codelineno-0-298"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-299" name="__codelineno-0-299"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-300" name="__codelineno-0-300"></a> <span class="p">)</span> |
| <a id="__codelineno-0-301" name="__codelineno-0-301"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">scalar</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-302" name="__codelineno-0-302"></a> <span class="k">if</span> <span class="n">result</span><span class="p">:</span> |
| <a id="__codelineno-0-303" name="__codelineno-0-303"></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_convert_orm_to_iceberg</span><span class="p">(</span><span class="n">result</span><span class="p">)</span> |
| <a id="__codelineno-0-304" name="__codelineno-0-304"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.register_table" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">register_table</span><span class="p">(</span><span class="n">identifier</span><span class="p">,</span> <span class="n">metadata_location</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.register_table" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Register a new table using existing metadata.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>identifier</code> |
| </td> |
| <td> |
| <code><span title="typing.Union">Union</span>[<span title="str">str</span>, <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a>]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Table identifier for the table</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>metadata_location</code> |
| </td> |
| <td> |
| <code><span title="str">str</span></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>The location to the metadata</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Returns:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td><code>Table</code></td> <td> |
| <code><a class="autorefs autorefs-internal" title="Table (pyiceberg.table.Table)" href="../../table/#pyiceberg.table.Table">Table</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>The newly registered table</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="TableAlreadyExistsError (pyiceberg.exceptions.TableAlreadyExistsError)" href="../../exceptions/#pyiceberg.exceptions.TableAlreadyExistsError">TableAlreadyExistsError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If the table already exists</p> |
| </div> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchNamespaceError (pyiceberg.exceptions.NoSuchNamespaceError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchNamespaceError">NoSuchNamespaceError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If namespace does not exist</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-240">240</a></span> |
| <span class="normal"><a href="#__codelineno-0-241">241</a></span> |
| <span class="normal"><a href="#__codelineno-0-242">242</a></span> |
| <span class="normal"><a href="#__codelineno-0-243">243</a></span> |
| <span class="normal"><a href="#__codelineno-0-244">244</a></span> |
| <span class="normal"><a href="#__codelineno-0-245">245</a></span> |
| <span class="normal"><a href="#__codelineno-0-246">246</a></span> |
| <span class="normal"><a href="#__codelineno-0-247">247</a></span> |
| <span class="normal"><a href="#__codelineno-0-248">248</a></span> |
| <span class="normal"><a href="#__codelineno-0-249">249</a></span> |
| <span class="normal"><a href="#__codelineno-0-250">250</a></span> |
| <span class="normal"><a href="#__codelineno-0-251">251</a></span> |
| <span class="normal"><a href="#__codelineno-0-252">252</a></span> |
| <span class="normal"><a href="#__codelineno-0-253">253</a></span> |
| <span class="normal"><a href="#__codelineno-0-254">254</a></span> |
| <span class="normal"><a href="#__codelineno-0-255">255</a></span> |
| <span class="normal"><a href="#__codelineno-0-256">256</a></span> |
| <span class="normal"><a href="#__codelineno-0-257">257</a></span> |
| <span class="normal"><a href="#__codelineno-0-258">258</a></span> |
| <span class="normal"><a href="#__codelineno-0-259">259</a></span> |
| <span class="normal"><a href="#__codelineno-0-260">260</a></span> |
| <span class="normal"><a href="#__codelineno-0-261">261</a></span> |
| <span class="normal"><a href="#__codelineno-0-262">262</a></span> |
| <span class="normal"><a href="#__codelineno-0-263">263</a></span> |
| <span class="normal"><a href="#__codelineno-0-264">264</a></span> |
| <span class="normal"><a href="#__codelineno-0-265">265</a></span> |
| <span class="normal"><a href="#__codelineno-0-266">266</a></span> |
| <span class="normal"><a href="#__codelineno-0-267">267</a></span> |
| <span class="normal"><a href="#__codelineno-0-268">268</a></span> |
| <span class="normal"><a href="#__codelineno-0-269">269</a></span> |
| <span class="normal"><a href="#__codelineno-0-270">270</a></span> |
| <span class="normal"><a href="#__codelineno-0-271">271</a></span> |
| <span class="normal"><a href="#__codelineno-0-272">272</a></span> |
| <span class="normal"><a href="#__codelineno-0-273">273</a></span> |
| <span class="normal"><a href="#__codelineno-0-274">274</a></span> |
| <span class="normal"><a href="#__codelineno-0-275">275</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-240" name="__codelineno-0-240"></a><span class="k">def</span><span class="w"> </span><span class="nf">register_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> <span class="n">metadata_location</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-241" name="__codelineno-0-241"></a><span class="w"> </span><span class="sd">"""Register a new table using existing metadata.</span> |
| <a id="__codelineno-0-242" name="__codelineno-0-242"></a> |
| <a id="__codelineno-0-243" name="__codelineno-0-243"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-244" name="__codelineno-0-244"></a><span class="sd"> identifier (Union[str, Identifier]): Table identifier for the table</span> |
| <a id="__codelineno-0-245" name="__codelineno-0-245"></a><span class="sd"> metadata_location (str): The location to the metadata</span> |
| <a id="__codelineno-0-246" name="__codelineno-0-246"></a> |
| <a id="__codelineno-0-247" name="__codelineno-0-247"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-248" name="__codelineno-0-248"></a><span class="sd"> Table: The newly registered table</span> |
| <a id="__codelineno-0-249" name="__codelineno-0-249"></a> |
| <a id="__codelineno-0-250" name="__codelineno-0-250"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-251" name="__codelineno-0-251"></a><span class="sd"> TableAlreadyExistsError: If the table already exists</span> |
| <a id="__codelineno-0-252" name="__codelineno-0-252"></a><span class="sd"> NoSuchNamespaceError: If namespace does not exist</span> |
| <a id="__codelineno-0-253" name="__codelineno-0-253"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-254" name="__codelineno-0-254"></a> <span class="n">namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-255" name="__codelineno-0-255"></a> <span class="n">namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-256" name="__codelineno-0-256"></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-257" name="__codelineno-0-257"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-258" name="__codelineno-0-258"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-259" name="__codelineno-0-259"></a> |
| <a id="__codelineno-0-260" name="__codelineno-0-260"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-261" name="__codelineno-0-261"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-262" name="__codelineno-0-262"></a> <span class="n">session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> |
| <a id="__codelineno-0-263" name="__codelineno-0-263"></a> <span class="n">IcebergTables</span><span class="p">(</span> |
| <a id="__codelineno-0-264" name="__codelineno-0-264"></a> <span class="n">catalog_name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-265" name="__codelineno-0-265"></a> <span class="n">table_namespace</span><span class="o">=</span><span class="n">namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-266" name="__codelineno-0-266"></a> <span class="n">table_name</span><span class="o">=</span><span class="n">table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-267" name="__codelineno-0-267"></a> <span class="n">metadata_location</span><span class="o">=</span><span class="n">metadata_location</span><span class="p">,</span> |
| <a id="__codelineno-0-268" name="__codelineno-0-268"></a> <span class="n">previous_metadata_location</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> |
| <a id="__codelineno-0-269" name="__codelineno-0-269"></a> <span class="p">)</span> |
| <a id="__codelineno-0-270" name="__codelineno-0-270"></a> <span class="p">)</span> |
| <a id="__codelineno-0-271" name="__codelineno-0-271"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-272" name="__codelineno-0-272"></a> <span class="k">except</span> <span class="n">IntegrityError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-273" name="__codelineno-0-273"></a> <span class="k">raise</span> <span class="n">TableAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table </span><span class="si">{</span><span class="n">namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">table_name</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-274" name="__codelineno-0-274"></a> |
| <a id="__codelineno-0-275" name="__codelineno-0-275"></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_table</span><span class="p">(</span><span class="n">identifier</span><span class="o">=</span><span class="n">identifier</span><span class="p">)</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.rename_table" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">rename_table</span><span class="p">(</span><span class="n">from_identifier</span><span class="p">,</span> <span class="n">to_identifier</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.rename_table" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Rename a fully classified table name.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>from_identifier</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Existing table identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>to_identifier</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>New table identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Returns:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td><code>Table</code></td> <td> |
| <code><a class="autorefs autorefs-internal" title="Table (pyiceberg.table.Table)" href="../../table/#pyiceberg.table.Table">Table</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>the updated table instance with its metadata.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchTableError (pyiceberg.exceptions.NoSuchTableError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchTableError">NoSuchTableError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a table with the name does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="TableAlreadyExistsError (pyiceberg.exceptions.TableAlreadyExistsError)" href="../../exceptions/#pyiceberg.exceptions.TableAlreadyExistsError">TableAlreadyExistsError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a table with the new name already exist.</p> |
| </div> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchNamespaceError (pyiceberg.exceptions.NoSuchNamespaceError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchNamespaceError">NoSuchNamespaceError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If the target namespace does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-346">346</a></span> |
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| <span class="normal"><a href="#__codelineno-0-403">403</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-346" name="__codelineno-0-346"></a><span class="k">def</span><span class="w"> </span><span class="nf">rename_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">from_identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> <span class="n">to_identifier</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">])</span> <span class="o">-></span> <span class="n">Table</span><span class="p">:</span> |
| <a id="__codelineno-0-347" name="__codelineno-0-347"></a><span class="w"> </span><span class="sd">"""Rename a fully classified table name.</span> |
| <a id="__codelineno-0-348" name="__codelineno-0-348"></a> |
| <a id="__codelineno-0-349" name="__codelineno-0-349"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-350" name="__codelineno-0-350"></a><span class="sd"> from_identifier (str | Identifier): Existing table identifier.</span> |
| <a id="__codelineno-0-351" name="__codelineno-0-351"></a><span class="sd"> to_identifier (str | Identifier): New table identifier.</span> |
| <a id="__codelineno-0-352" name="__codelineno-0-352"></a> |
| <a id="__codelineno-0-353" name="__codelineno-0-353"></a><span class="sd"> Returns:</span> |
| <a id="__codelineno-0-354" name="__codelineno-0-354"></a><span class="sd"> Table: the updated table instance with its metadata.</span> |
| <a id="__codelineno-0-355" name="__codelineno-0-355"></a> |
| <a id="__codelineno-0-356" name="__codelineno-0-356"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-357" name="__codelineno-0-357"></a><span class="sd"> NoSuchTableError: If a table with the name does not exist.</span> |
| <a id="__codelineno-0-358" name="__codelineno-0-358"></a><span class="sd"> TableAlreadyExistsError: If a table with the new name already exist.</span> |
| <a id="__codelineno-0-359" name="__codelineno-0-359"></a><span class="sd"> NoSuchNamespaceError: If the target namespace does not exist.</span> |
| <a id="__codelineno-0-360" name="__codelineno-0-360"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-361" name="__codelineno-0-361"></a> <span class="n">from_namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">from_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-362" name="__codelineno-0-362"></a> <span class="n">from_namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">from_namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-363" name="__codelineno-0-363"></a> <span class="n">from_table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">from_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-364" name="__codelineno-0-364"></a> <span class="n">to_namespace_tuple</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_from</span><span class="p">(</span><span class="n">to_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-365" name="__codelineno-0-365"></a> <span class="n">to_namespace</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">to_namespace_tuple</span><span class="p">)</span> |
| <a id="__codelineno-0-366" name="__codelineno-0-366"></a> <span class="n">to_table_name</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">table_name_from</span><span class="p">(</span><span class="n">to_identifier</span><span class="p">)</span> |
| <a id="__codelineno-0-367" name="__codelineno-0-367"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">to_namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-368" name="__codelineno-0-368"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace does not exist: </span><span class="si">{</span><span class="n">to_namespace</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-369" name="__codelineno-0-369"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-370" name="__codelineno-0-370"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-371" name="__codelineno-0-371"></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="o">.</span><span class="n">dialect</span><span class="o">.</span><span class="n">supports_sane_rowcount</span><span class="p">:</span> |
| <a id="__codelineno-0-372" name="__codelineno-0-372"></a> <span class="n">stmt</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-373" name="__codelineno-0-373"></a> <span class="n">update</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-374" name="__codelineno-0-374"></a> <span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-375" name="__codelineno-0-375"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-376" name="__codelineno-0-376"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">from_namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-377" name="__codelineno-0-377"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">from_table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-378" name="__codelineno-0-378"></a> <span class="p">)</span> |
| <a id="__codelineno-0-379" name="__codelineno-0-379"></a> <span class="o">.</span><span class="n">values</span><span class="p">(</span><span class="n">table_namespace</span><span class="o">=</span><span class="n">to_namespace</span><span class="p">,</span> <span class="n">table_name</span><span class="o">=</span><span class="n">to_table_name</span><span class="p">)</span> |
| <a id="__codelineno-0-380" name="__codelineno-0-380"></a> <span class="p">)</span> |
| <a id="__codelineno-0-381" name="__codelineno-0-381"></a> <span class="n">result</span> <span class="o">=</span> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-382" name="__codelineno-0-382"></a> <span class="k">if</span> <span class="n">result</span><span class="o">.</span><span class="n">rowcount</span> <span class="o"><</span> <span class="mi">1</span><span class="p">:</span> |
| <a id="__codelineno-0-383" name="__codelineno-0-383"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">from_table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> |
| <a id="__codelineno-0-384" name="__codelineno-0-384"></a> <span class="k">else</span><span class="p">:</span> |
| <a id="__codelineno-0-385" name="__codelineno-0-385"></a> <span class="k">try</span><span class="p">:</span> |
| <a id="__codelineno-0-386" name="__codelineno-0-386"></a> <span class="n">tbl</span> <span class="o">=</span> <span class="p">(</span> |
| <a id="__codelineno-0-387" name="__codelineno-0-387"></a> <span class="n">session</span><span class="o">.</span><span class="n">query</span><span class="p">(</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-388" name="__codelineno-0-388"></a> <span class="o">.</span><span class="n">with_for_update</span><span class="p">(</span><span class="n">of</span><span class="o">=</span><span class="n">IcebergTables</span><span class="p">)</span> |
| <a id="__codelineno-0-389" name="__codelineno-0-389"></a> <span class="o">.</span><span class="n">filter</span><span class="p">(</span> |
| <a id="__codelineno-0-390" name="__codelineno-0-390"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-391" name="__codelineno-0-391"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">==</span> <span class="n">from_namespace</span><span class="p">,</span> |
| <a id="__codelineno-0-392" name="__codelineno-0-392"></a> <span class="n">IcebergTables</span><span class="o">.</span><span class="n">table_name</span> <span class="o">==</span> <span class="n">from_table_name</span><span class="p">,</span> |
| <a id="__codelineno-0-393" name="__codelineno-0-393"></a> <span class="p">)</span> |
| <a id="__codelineno-0-394" name="__codelineno-0-394"></a> <span class="o">.</span><span class="n">one</span><span class="p">()</span> |
| <a id="__codelineno-0-395" name="__codelineno-0-395"></a> <span class="p">)</span> |
| <a id="__codelineno-0-396" name="__codelineno-0-396"></a> <span class="n">tbl</span><span class="o">.</span><span class="n">table_namespace</span> <span class="o">=</span> <span class="n">to_namespace</span> |
| <a id="__codelineno-0-397" name="__codelineno-0-397"></a> <span class="n">tbl</span><span class="o">.</span><span class="n">table_name</span> <span class="o">=</span> <span class="n">to_table_name</span> |
| <a id="__codelineno-0-398" name="__codelineno-0-398"></a> <span class="k">except</span> <span class="n">NoResultFound</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-399" name="__codelineno-0-399"></a> <span class="k">raise</span> <span class="n">NoSuchTableError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table does not exist: </span><span class="si">{</span><span class="n">from_table_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-400" name="__codelineno-0-400"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-401" name="__codelineno-0-401"></a> <span class="k">except</span> <span class="n">IntegrityError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span> |
| <a id="__codelineno-0-402" name="__codelineno-0-402"></a> <span class="k">raise</span> <span class="n">TableAlreadyExistsError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Table </span><span class="si">{</span><span class="n">to_namespace</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">to_table_name</span><span class="si">}</span><span class="s2"> already exists"</span><span class="p">)</span> <span class="kn">from</span><span class="w"> </span><span class="nn">e</span> |
| <a id="__codelineno-0-403" name="__codelineno-0-403"></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_table</span><span class="p">(</span><span class="n">to_identifier</span><span class="p">)</span> |
| </code></pre></div></td></tr></table></div> |
| </details> |
| </div> |
| |
| </div> |
| |
| <div class="doc doc-object doc-function"> |
| |
| |
| <h3 id="pyiceberg.catalog.sql.SqlCatalog.update_namespace_properties" class="doc doc-heading"> |
| <code class="highlight language-python"><span class="n">update_namespace_properties</span><span class="p">(</span><span class="n">namespace</span><span class="p">,</span> <span class="n">removals</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">updates</span><span class="o">=</span><span class="n">EMPTY_DICT</span><span class="p">)</span></code> |
| |
| <a href="#pyiceberg.catalog.sql.SqlCatalog.update_namespace_properties" class="headerlink" title="Permanent link">¶</a></h3> |
| |
| |
| <div class="doc doc-contents "> |
| |
| <p>Remove provided property keys and update properties for a namespace.</p> |
| |
| |
| <p><span class="doc-section-title">Parameters:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Name</th> |
| <th>Type</th> |
| <th>Description</th> |
| <th>Default</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code>namespace</code> |
| </td> |
| <td> |
| <code><span title="str">str</span> | <a class="autorefs autorefs-internal" title="Identifier = Tuple[str, ...] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Identifier)" href="../../typedef/#pyiceberg.typedef.Identifier">Identifier</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Namespace identifier.</p> |
| </div> |
| </td> |
| <td> |
| <em>required</em> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>removals</code> |
| </td> |
| <td> |
| <code><span title="typing.Set">Set</span>[<span title="str">str</span>]</code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Set of property keys that need to be removed. Optional Argument.</p> |
| </div> |
| </td> |
| <td> |
| <code>None</code> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code>updates</code> |
| </td> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="Properties = Dict[str, Any] |
| |
| |
| module-attribute |
| (pyiceberg.typedef.Properties)" href="../../typedef/#pyiceberg.typedef.Properties">Properties</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>Properties to be updated for the given namespace.</p> |
| </div> |
| </td> |
| <td> |
| <code><span title="pyiceberg.typedef.EMPTY_DICT">EMPTY_DICT</span></code> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <p><span class="doc-section-title">Raises:</span></p> |
| <table> |
| <thead> |
| <tr> |
| <th>Type</th> |
| <th>Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="doc-section-item"> |
| <td> |
| <code><a class="autorefs autorefs-internal" title="NoSuchNamespaceError (pyiceberg.exceptions.NoSuchNamespaceError)" href="../../exceptions/#pyiceberg.exceptions.NoSuchNamespaceError">NoSuchNamespaceError</a></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If a namespace with the given name does not exist.</p> |
| </div> |
| </td> |
| </tr> |
| <tr class="doc-section-item"> |
| <td> |
| <code><span title="ValueError">ValueError</span></code> |
| </td> |
| <td> |
| <div class="doc-md-description"> |
| <p>If removals and updates have overlapping keys.</p> |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| |
| |
| <details class="quote"> |
| <summary>Source code in <code>pyiceberg/catalog/sql.py</code></summary> |
| <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-672">672</a></span> |
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| <span class="normal"><a href="#__codelineno-0-726">726</a></span></pre></div></td><td class="code"><div><pre><span></span><code><a id="__codelineno-0-672" name="__codelineno-0-672"></a><span class="k">def</span><span class="w"> </span><span class="nf">update_namespace_properties</span><span class="p">(</span> |
| <a id="__codelineno-0-673" name="__codelineno-0-673"></a> <span class="bp">self</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Identifier</span><span class="p">],</span> <span class="n">removals</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Set</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">updates</span><span class="p">:</span> <span class="n">Properties</span> <span class="o">=</span> <span class="n">EMPTY_DICT</span> |
| <a id="__codelineno-0-674" name="__codelineno-0-674"></a><span class="p">)</span> <span class="o">-></span> <span class="n">PropertiesUpdateSummary</span><span class="p">:</span> |
| <a id="__codelineno-0-675" name="__codelineno-0-675"></a><span class="w"> </span><span class="sd">"""Remove provided property keys and update properties for a namespace.</span> |
| <a id="__codelineno-0-676" name="__codelineno-0-676"></a> |
| <a id="__codelineno-0-677" name="__codelineno-0-677"></a><span class="sd"> Args:</span> |
| <a id="__codelineno-0-678" name="__codelineno-0-678"></a><span class="sd"> namespace (str | Identifier): Namespace identifier.</span> |
| <a id="__codelineno-0-679" name="__codelineno-0-679"></a><span class="sd"> removals (Set[str]): Set of property keys that need to be removed. Optional Argument.</span> |
| <a id="__codelineno-0-680" name="__codelineno-0-680"></a><span class="sd"> updates (Properties): Properties to be updated for the given namespace.</span> |
| <a id="__codelineno-0-681" name="__codelineno-0-681"></a> |
| <a id="__codelineno-0-682" name="__codelineno-0-682"></a><span class="sd"> Raises:</span> |
| <a id="__codelineno-0-683" name="__codelineno-0-683"></a><span class="sd"> NoSuchNamespaceError: If a namespace with the given name does not exist.</span> |
| <a id="__codelineno-0-684" name="__codelineno-0-684"></a><span class="sd"> ValueError: If removals and updates have overlapping keys.</span> |
| <a id="__codelineno-0-685" name="__codelineno-0-685"></a><span class="sd"> """</span> |
| <a id="__codelineno-0-686" name="__codelineno-0-686"></a> <span class="n">namespace_str</span> <span class="o">=</span> <span class="n">Catalog</span><span class="o">.</span><span class="n">namespace_to_string</span><span class="p">(</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-687" name="__codelineno-0-687"></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_namespace_exists</span><span class="p">(</span><span class="n">namespace</span><span class="p">):</span> |
| <a id="__codelineno-0-688" name="__codelineno-0-688"></a> <span class="k">raise</span> <span class="n">NoSuchNamespaceError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Namespace </span><span class="si">{</span><span class="n">namespace_str</span><span class="si">}</span><span class="s2"> does not exists"</span><span class="p">)</span> |
| <a id="__codelineno-0-689" name="__codelineno-0-689"></a> |
| <a id="__codelineno-0-690" name="__codelineno-0-690"></a> <span class="n">current_properties</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">load_namespace_properties</span><span class="p">(</span><span class="n">namespace</span><span class="o">=</span><span class="n">namespace</span><span class="p">)</span> |
| <a id="__codelineno-0-691" name="__codelineno-0-691"></a> <span class="n">properties_update_summary</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_updated_props_and_update_summary</span><span class="p">(</span> |
| <a id="__codelineno-0-692" name="__codelineno-0-692"></a> <span class="n">current_properties</span><span class="o">=</span><span class="n">current_properties</span><span class="p">,</span> <span class="n">removals</span><span class="o">=</span><span class="n">removals</span><span class="p">,</span> <span class="n">updates</span><span class="o">=</span><span class="n">updates</span> |
| <a id="__codelineno-0-693" name="__codelineno-0-693"></a> <span class="p">)[</span><span class="mi">0</span><span class="p">]</span> |
| <a id="__codelineno-0-694" name="__codelineno-0-694"></a> |
| <a id="__codelineno-0-695" name="__codelineno-0-695"></a> <span class="k">with</span> <span class="n">Session</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">engine</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span> |
| <a id="__codelineno-0-696" name="__codelineno-0-696"></a> <span class="k">if</span> <span class="n">removals</span><span class="p">:</span> |
| <a id="__codelineno-0-697" name="__codelineno-0-697"></a> <span class="n">delete_stmt</span> <span class="o">=</span> <span class="n">delete</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-698" name="__codelineno-0-698"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-699" name="__codelineno-0-699"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace_str</span><span class="p">,</span> |
| <a id="__codelineno-0-700" name="__codelineno-0-700"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">property_key</span><span class="o">.</span><span class="n">in_</span><span class="p">(</span><span class="n">removals</span><span class="p">),</span> |
| <a id="__codelineno-0-701" name="__codelineno-0-701"></a> <span class="p">)</span> |
| <a id="__codelineno-0-702" name="__codelineno-0-702"></a> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">delete_stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-703" name="__codelineno-0-703"></a> |
| <a id="__codelineno-0-704" name="__codelineno-0-704"></a> <span class="k">if</span> <span class="n">updates</span><span class="p">:</span> |
| <a id="__codelineno-0-705" name="__codelineno-0-705"></a> <span class="c1"># SQLAlchemy does not (yet) support engine agnostic UPSERT</span> |
| <a id="__codelineno-0-706" name="__codelineno-0-706"></a> <span class="c1"># https://docs.sqlalchemy.org/en/20/orm/queryguide/dml.html#orm-upsert-statements</span> |
| <a id="__codelineno-0-707" name="__codelineno-0-707"></a> <span class="c1"># This is not a problem since it runs in a single transaction</span> |
| <a id="__codelineno-0-708" name="__codelineno-0-708"></a> <span class="n">delete_stmt</span> <span class="o">=</span> <span class="n">delete</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> |
| <a id="__codelineno-0-709" name="__codelineno-0-709"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-710" name="__codelineno-0-710"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span> <span class="o">==</span> <span class="n">namespace_str</span><span class="p">,</span> |
| <a id="__codelineno-0-711" name="__codelineno-0-711"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">property_key</span><span class="o">.</span><span class="n">in_</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">updates</span><span class="o">.</span><span class="n">keys</span><span class="p">())),</span> |
| <a id="__codelineno-0-712" name="__codelineno-0-712"></a> <span class="p">)</span> |
| <a id="__codelineno-0-713" name="__codelineno-0-713"></a> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">delete_stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-714" name="__codelineno-0-714"></a> <span class="n">insert_stmt_values</span> <span class="o">=</span> <span class="p">[</span> |
| <a id="__codelineno-0-715" name="__codelineno-0-715"></a> <span class="p">{</span> |
| <a id="__codelineno-0-716" name="__codelineno-0-716"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">catalog_name</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> |
| <a id="__codelineno-0-717" name="__codelineno-0-717"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">namespace</span><span class="p">:</span> <span class="n">namespace_str</span><span class="p">,</span> |
| <a id="__codelineno-0-718" name="__codelineno-0-718"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">property_key</span><span class="p">:</span> <span class="n">property_key</span><span class="p">,</span> |
| <a id="__codelineno-0-719" name="__codelineno-0-719"></a> <span class="n">IcebergNamespaceProperties</span><span class="o">.</span><span class="n">property_value</span><span class="p">:</span> <span class="n">property_value</span><span class="p">,</span> |
| <a id="__codelineno-0-720" name="__codelineno-0-720"></a> <span class="p">}</span> |
| <a id="__codelineno-0-721" name="__codelineno-0-721"></a> <span class="k">for</span> <span class="n">property_key</span><span class="p">,</span> <span class="n">property_value</span> <span class="ow">in</span> <span class="n">updates</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> |
| <a id="__codelineno-0-722" name="__codelineno-0-722"></a> <span class="p">]</span> |
| <a id="__codelineno-0-723" name="__codelineno-0-723"></a> <span class="n">insert_stmt</span> <span class="o">=</span> <span class="n">insert</span><span class="p">(</span><span class="n">IcebergNamespaceProperties</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">(</span><span class="n">insert_stmt_values</span><span class="p">)</span> |
| <a id="__codelineno-0-724" name="__codelineno-0-724"></a> <span class="n">session</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">insert_stmt</span><span class="p">)</span> |
| <a id="__codelineno-0-725" name="__codelineno-0-725"></a> <span class="n">session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span> |
| <a id="__codelineno-0-726" name="__codelineno-0-726"></a> <span class="k">return</span> <span class="n">properties_update_summary</span> |
| </code></pre></div></td></tr></table></div> |
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