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  <div class="section" id="module-airflow.contrib.hooks.aws_glue_catalog_hook">
<span id="airflow-contrib-hooks-aws-glue-catalog-hook"></span><h1><a class="reference internal" href="#module-airflow.contrib.hooks.aws_glue_catalog_hook" title="airflow.contrib.hooks.aws_glue_catalog_hook"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.contrib.hooks.aws_glue_catalog_hook</span></code></a><a class="headerlink" href="#module-airflow.contrib.hooks.aws_glue_catalog_hook" title="Permalink to this headline">¶</a></h1>
<p><p>This module contains AWS Glue Catalog Hook</p>
</p>
<div class="section" id="module-contents">
<h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook">
<em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.hooks.aws_glue_catalog_hook.</code><code class="sig-name descname">AwsGlueCatalogHook</code><span class="sig-paren">(</span><em class="sig-param">aws_conn_id='aws_default'</em>, <em class="sig-param">region_name=None</em>, <em class="sig-param">*args</em>, <em class="sig-param">**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/aws_glue_catalog_hook.html#AwsGlueCatalogHook"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="../aws_hook/index.html#airflow.contrib.hooks.aws_hook.AwsHook" title="airflow.contrib.hooks.aws_hook.AwsHook"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.contrib.hooks.aws_hook.AwsHook</span></code></a></p>
<p>Interact with AWS Glue Catalog</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>aws_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – ID of the Airflow connection where
credentials and extra configuration are stored</p></li>
<li><p><strong>region_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – aws region name (example: us-east-1)</p></li>
</ul>
</dd>
</dl>
<dl class="method">
<dt id="airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.get_conn">
<code class="sig-name descname">get_conn</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/aws_glue_catalog_hook.html#AwsGlueCatalogHook.get_conn"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.get_conn" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns glue connection object.</p>
</dd></dl>

<dl class="method">
<dt id="airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.get_partitions">
<code class="sig-name descname">get_partitions</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">database_name</em>, <em class="sig-param">table_name</em>, <em class="sig-param">expression=''</em>, <em class="sig-param">page_size=None</em>, <em class="sig-param">max_items=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/aws_glue_catalog_hook.html#AwsGlueCatalogHook.get_partitions"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.get_partitions" title="Permalink to this definition">¶</a></dt>
<dd><p>Retrieves the partition values for a table.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>database_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – The name of the catalog database where the partitions reside.</p></li>
<li><p><strong>table_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – The name of the partitions’ table.</p></li>
<li><p><strong>expression</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – An expression filtering the partitions to be returned.
Please see official AWS documentation for further information.
<a class="reference external" href="https://docs.aws.amazon.com/glue/latest/dg/aws-glue-api-catalog-partitions.html#aws-glue-api-catalog-partitions-GetPartitions">https://docs.aws.amazon.com/glue/latest/dg/aws-glue-api-catalog-partitions.html#aws-glue-api-catalog-partitions-GetPartitions</a></p></li>
<li><p><strong>page_size</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.8)"><em>int</em></a>) – pagination size</p></li>
<li><p><strong>max_items</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.8)"><em>int</em></a>) – maximum items to return</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>set of partition values where each value is a tuple since
a partition may be composed of multiple columns. For example:
<code class="docutils literal notranslate"><span class="pre">{('2018-01-01','1'),</span> <span class="pre">('2018-01-01','2')}</span></code></p>
</dd>
</dl>
</dd></dl>

<dl class="method">
<dt id="airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.check_for_partition">
<code class="sig-name descname">check_for_partition</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">database_name</em>, <em class="sig-param">table_name</em>, <em class="sig-param">expression</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/aws_glue_catalog_hook.html#AwsGlueCatalogHook.check_for_partition"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.check_for_partition" title="Permalink to this definition">¶</a></dt>
<dd><p>Checks whether a partition exists</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>database_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Name of hive database (schema) &#64;table belongs to</p></li>
<li><p><strong>table_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Name of hive table &#64;partition belongs to</p></li>
</ul>
</dd>
<dt class="field-even">Expression</dt>
<dd class="field-even"><p>Expression that matches the partitions to check for
(eg <cite>a = ‘b’ AND c = ‘d’</cite>)</p>
</dd>
<dt class="field-odd">Return type</dt>
<dd class="field-odd"><p><a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)">bool</a></p>
</dd>
</dl>
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">hook</span> <span class="o">=</span> <span class="n">AwsGlueCatalogHook</span><span class="p">()</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">t</span> <span class="o">=</span> <span class="s1">&#39;static_babynames_partitioned&#39;</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">hook</span><span class="o">.</span><span class="n">check_for_partition</span><span class="p">(</span><span class="s1">&#39;airflow&#39;</span><span class="p">,</span> <span class="n">t</span><span class="p">,</span> <span class="s2">&quot;ds=&#39;2015-01-01&#39;&quot;</span><span class="p">)</span>
<span class="go">True</span>
</pre></div>
</div>
</dd></dl>

<dl class="method">
<dt id="airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.get_table">
<code class="sig-name descname">get_table</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">database_name</em>, <em class="sig-param">table_name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/aws_glue_catalog_hook.html#AwsGlueCatalogHook.get_table"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.get_table" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the information of the table</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>database_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Name of hive database (schema) &#64;table belongs to</p></li>
<li><p><strong>table_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Name of hive table</p></li>
</ul>
</dd>
<dt class="field-even">Return type</dt>
<dd class="field-even"><p><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.8)">dict</a></p>
</dd>
</dl>
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">hook</span> <span class="o">=</span> <span class="n">AwsGlueCatalogHook</span><span class="p">()</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">r</span> <span class="o">=</span> <span class="n">hook</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="s1">&#39;db&#39;</span><span class="p">,</span> <span class="s1">&#39;table_foo&#39;</span><span class="p">)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">r</span><span class="p">[</span><span class="s1">&#39;Name&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;table_foo&#39;</span>
</pre></div>
</div>
</dd></dl>

<dl class="method">
<dt id="airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.get_table_location">
<code class="sig-name descname">get_table_location</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">database_name</em>, <em class="sig-param">table_name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/hooks/aws_glue_catalog_hook.html#AwsGlueCatalogHook.get_table_location"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.hooks.aws_glue_catalog_hook.AwsGlueCatalogHook.get_table_location" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the physical location of the table</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>database_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Name of hive database (schema) &#64;table belongs to</p></li>
<li><p><strong>table_name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Name of hive table</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>str</p>
</dd>
</dl>
</dd></dl>

</dd></dl>

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