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| ExecutionPlan |
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| ExecutionPlan.children() |
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| ExecutionPlan.display() |
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| ExecutionPlan.display_indent() |
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| ExecutionPlan.from_proto() |
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| ExecutionPlan.to_proto() |
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| ExecutionPlan._raw_plan |
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| ExecutionPlan.partition_count |
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| LogicalPlan |
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| LogicalPlan.__repr__() |
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| LogicalPlan.display() |
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| LogicalPlan.display_graphviz() |
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| LogicalPlan.display_indent() |
| </span> |
| </code> |
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| LogicalPlan.display_indent_schema() |
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| LogicalPlan.from_proto() |
| </span> |
| </code> |
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| LogicalPlan.inputs() |
| </span> |
| </code> |
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| <code class="docutils literal notranslate"> |
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| LogicalPlan.to_proto() |
| </span> |
| </code> |
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| LogicalPlan.to_variant() |
| </span> |
| </code> |
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| <code class="docutils literal notranslate"> |
| <span class="pre"> |
| LogicalPlan._raw_plan |
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| <section id="module-datafusion.plan"> |
| <span id="datafusion-plan"></span><h1>datafusion.plan<a class="headerlink" href="#module-datafusion.plan" title="Link to this heading">¶</a></h1> |
| <p>This module supports physical and logical plans in DataFusion.</p> |
| <section id="classes"> |
| <h2>Classes<a class="headerlink" href="#classes" title="Link to this heading">¶</a></h2> |
| <table class="autosummary longtable table autosummary"> |
| <tbody> |
| <tr class="row-odd"><td><p><a class="reference internal" href="#datafusion.plan.ExecutionPlan" title="datafusion.plan.ExecutionPlan"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ExecutionPlan</span></code></a></p></td> |
| <td><p>Represent nodes in the DataFusion Physical Plan.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="#datafusion.plan.LogicalPlan" title="datafusion.plan.LogicalPlan"><code class="xref py py-obj docutils literal notranslate"><span class="pre">LogicalPlan</span></code></a></p></td> |
| <td><p>Logical Plan.</p></td> |
| </tr> |
| </tbody> |
| </table> |
| </section> |
| <section id="module-contents"> |
| <h2>Module Contents<a class="headerlink" href="#module-contents" title="Link to this heading">¶</a></h2> |
| <dl class="py class"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan"> |
| <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">datafusion.plan.</span></span><span class="sig-name descname"><span class="pre">ExecutionPlan</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">plan</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">datafusion._internal.ExecutionPlan</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#datafusion.plan.ExecutionPlan" title="Link to this definition">¶</a></dt> |
| <dd><p>Represent nodes in the DataFusion Physical Plan.</p> |
| <p>This constructor should not be called by the end user.</p> |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan.__repr__"> |
| <span class="sig-name descname"><span class="pre">__repr__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#datafusion.plan.ExecutionPlan.__repr__" title="Link to this definition">¶</a></dt> |
| <dd><p>Print a string representation of the physical plan.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan.children"> |
| <span class="sig-name descname"><span class="pre">children</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">list</span><span class="p"><span class="pre">[</span></span><a class="reference internal" href="#datafusion.plan.ExecutionPlan" title="datafusion.plan.ExecutionPlan"><span class="pre">ExecutionPlan</span></a><span class="p"><span class="pre">]</span></span></span></span><a class="headerlink" href="#datafusion.plan.ExecutionPlan.children" title="Link to this definition">¶</a></dt> |
| <dd><p>Get a list of children <cite>ExecutionPlan</cite> that act as inputs to this plan.</p> |
| <p>The returned list will be empty for leaf nodes such as scans, will contain a |
| single value for unary nodes, or two values for binary nodes (such as joins).</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan.display"> |
| <span class="sig-name descname"><span class="pre">display</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#datafusion.plan.ExecutionPlan.display" title="Link to this definition">¶</a></dt> |
| <dd><p>Print the physical plan.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan.display_indent"> |
| <span class="sig-name descname"><span class="pre">display_indent</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#datafusion.plan.ExecutionPlan.display_indent" title="Link to this definition">¶</a></dt> |
| <dd><p>Print an indented form of the physical plan.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan.from_proto"> |
| <em class="property"><span class="pre">static</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">from_proto</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">ctx</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../context/index.html#datafusion.context.SessionContext" title="datafusion.context.SessionContext"><span class="pre">datafusion.context.SessionContext</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bytes</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="#datafusion.plan.ExecutionPlan" title="datafusion.plan.ExecutionPlan"><span class="pre">ExecutionPlan</span></a></span></span><a class="headerlink" href="#datafusion.plan.ExecutionPlan.from_proto" title="Link to this definition">¶</a></dt> |
| <dd><p>Create an ExecutionPlan from protobuf bytes.</p> |
| <p>Tables created in memory from record batches are currently not supported.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan.to_proto"> |
| <span class="sig-name descname"><span class="pre">to_proto</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">bytes</span></span></span><a class="headerlink" href="#datafusion.plan.ExecutionPlan.to_proto" title="Link to this definition">¶</a></dt> |
| <dd><p>Convert an ExecutionPlan into protobuf bytes.</p> |
| <p>Tables created in memory from record batches are currently not supported.</p> |
| </dd></dl> |
| |
| <dl class="py attribute"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan._raw_plan"> |
| <span class="sig-name descname"><span class="pre">_raw_plan</span></span><a class="headerlink" href="#datafusion.plan.ExecutionPlan._raw_plan" title="Link to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="py property"> |
| <dt class="sig sig-object py" id="datafusion.plan.ExecutionPlan.partition_count"> |
| <em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">partition_count</span></span><em class="property"><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="pre">int</span></em><a class="headerlink" href="#datafusion.plan.ExecutionPlan.partition_count" title="Link to this definition">¶</a></dt> |
| <dd><p>Returns the number of partitions in the physical plan.</p> |
| </dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="py class"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan"> |
| <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">datafusion.plan.</span></span><span class="sig-name descname"><span class="pre">LogicalPlan</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">plan</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">datafusion._internal.LogicalPlan</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#datafusion.plan.LogicalPlan" title="Link to this definition">¶</a></dt> |
| <dd><p>Logical Plan.</p> |
| <p>A <cite>LogicalPlan</cite> is a node in a tree of relational operators (such as |
| Projection or Filter).</p> |
| <p>Represents transforming an input relation (table) to an output relation |
| (table) with a potentially different schema. Plans form a dataflow tree |
| where data flows from leaves up to the root to produce the query result.</p> |
| <p>A <cite>LogicalPlan</cite> can be created by the SQL query planner, the DataFrame API, |
| or programmatically (for example custom query languages).</p> |
| <p>This constructor should not be called by the end user.</p> |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.__repr__"> |
| <span class="sig-name descname"><span class="pre">__repr__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.__repr__" title="Link to this definition">¶</a></dt> |
| <dd><p>Generate a printable representation of the plan.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.display"> |
| <span class="sig-name descname"><span class="pre">display</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.display" title="Link to this definition">¶</a></dt> |
| <dd><p>Print the logical plan.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.display_graphviz"> |
| <span class="sig-name descname"><span class="pre">display_graphviz</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.display_graphviz" title="Link to this definition">¶</a></dt> |
| <dd><p>Print the graph visualization of the logical plan.</p> |
| <p>Returns a <cite>format`able structure that produces lines meant for graphical display |
| using the `DOT</cite> language. This format can be visualized using software from |
| [<cite>graphviz</cite>](<a class="reference external" href="https://graphviz.org/">https://graphviz.org/</a>)</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.display_indent"> |
| <span class="sig-name descname"><span class="pre">display_indent</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.display_indent" title="Link to this definition">¶</a></dt> |
| <dd><p>Print an indented form of the logical plan.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.display_indent_schema"> |
| <span class="sig-name descname"><span class="pre">display_indent_schema</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">str</span></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.display_indent_schema" title="Link to this definition">¶</a></dt> |
| <dd><p>Print an indented form of the schema for the logical plan.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.from_proto"> |
| <em class="property"><span class="pre">static</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">from_proto</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">ctx</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><a class="reference internal" href="../context/index.html#datafusion.context.SessionContext" title="datafusion.context.SessionContext"><span class="pre">datafusion.context.SessionContext</span></a></span></em>, <em class="sig-param"><span class="n"><span class="pre">data</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bytes</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><a class="reference internal" href="#datafusion.plan.LogicalPlan" title="datafusion.plan.LogicalPlan"><span class="pre">LogicalPlan</span></a></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.from_proto" title="Link to this definition">¶</a></dt> |
| <dd><p>Create a LogicalPlan from protobuf bytes.</p> |
| <p>Tables created in memory from record batches are currently not supported.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.inputs"> |
| <span class="sig-name descname"><span class="pre">inputs</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">list</span><span class="p"><span class="pre">[</span></span><a class="reference internal" href="#datafusion.plan.LogicalPlan" title="datafusion.plan.LogicalPlan"><span class="pre">LogicalPlan</span></a><span class="p"><span class="pre">]</span></span></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.inputs" title="Link to this definition">¶</a></dt> |
| <dd><p>Returns the list of inputs to the logical plan.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.to_proto"> |
| <span class="sig-name descname"><span class="pre">to_proto</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">bytes</span></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.to_proto" title="Link to this definition">¶</a></dt> |
| <dd><p>Convert a LogicalPlan to protobuf bytes.</p> |
| <p>Tables created in memory from record batches are currently not supported.</p> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan.to_variant"> |
| <span class="sig-name descname"><span class="pre">to_variant</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">Any</span></span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan.to_variant" title="Link to this definition">¶</a></dt> |
| <dd><p>Convert the logical plan into its specific variant.</p> |
| </dd></dl> |
| |
| <dl class="py attribute"> |
| <dt class="sig sig-object py" id="datafusion.plan.LogicalPlan._raw_plan"> |
| <span class="sig-name descname"><span class="pre">_raw_plan</span></span><a class="headerlink" href="#datafusion.plan.LogicalPlan._raw_plan" title="Link to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| </section> |
| </section> |
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