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<h2 title="Class ExpressionConverter" class="title">Class ExpressionConverter</h2>
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<li>java.lang.Object</li>
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<li>org.apache.beam.sdk.extensions.sql.zetasql.translation.ExpressionConverter</li>
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<pre><a href="../../../../../../../../org/apache/beam/sdk/annotations/Internal.html" title="annotation in org.apache.beam.sdk.annotations">@Internal</a>
public class <span class="typeNameLabel">ExpressionConverter</span>
extends java.lang.Object</pre>
<div class="block">Extracts expressions (function calls, field accesses) from the resolve query nodes, converts them
to RexNodes.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#ExpressionConverter-org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster-org.apache.beam.sdk.extensions.sql.impl.QueryPlanner.QueryParameters-org.apache.beam.sdk.extensions.sql.zetasql.translation.UserFunctionDefinitions-">ExpressionConverter</a></span>(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster&nbsp;cluster,
<a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/QueryPlanner.QueryParameters.html" title="class in org.apache.beam.sdk.extensions.sql.impl">QueryPlanner.QueryParameters</a>&nbsp;params,
<a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/UserFunctionDefinitions.html" title="class in org.apache.beam.sdk.extensions.sql.zetasql.translation">UserFunctionDefinitions</a>&nbsp;userFunctionDefinitions)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#convertRelNodeToRexRangeRef-org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode-">convertRelNodeToRexRangeRef</a></span>(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode&nbsp;rel)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#convertResolvedLiteral-com.google.zetasql.resolvedast.ResolvedNodes.ResolvedLiteral-">convertResolvedLiteral</a></span>(com.google.zetasql.resolvedast.ResolvedNodes.ResolvedLiteral&nbsp;resolvedLiteral)</code>
<div class="block">Convert a resolved literal to a RexNode.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#convertRexNodeFromResolvedExpr-com.google.zetasql.resolvedast.ResolvedNodes.ResolvedExpr-">convertRexNodeFromResolvedExpr</a></span>(com.google.zetasql.resolvedast.ResolvedNodes.ResolvedExpr&nbsp;expr)</code>
<div class="block">Create a RexNode for a corresponding resolved expression.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#convertRexNodeFromResolvedExpr-com.google.zetasql.resolvedast.ResolvedNodes.ResolvedExpr-java.util.List-java.util.List-java.util.Map-">convertRexNodeFromResolvedExpr</a></span>(com.google.zetasql.resolvedast.ResolvedNodes.ResolvedExpr&nbsp;expr,
java.util.List&lt;com.google.zetasql.resolvedast.ResolvedColumn&gt;&nbsp;columnList,
java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeField&gt;&nbsp;fieldList,
java.util.Map&lt;java.lang.String,org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&gt;&nbsp;functionArguments)</code>
<div class="block">Create a RexNode for a corresponding resolved expression node.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexCall</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#convertTableValuedFunction-org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode-com.google.zetasql.TableValuedFunction-java.util.List-java.util.List-">convertTableValuedFunction</a></span>(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode&nbsp;input,
com.google.zetasql.TableValuedFunction&nbsp;tvf,
java.util.List&lt;com.google.zetasql.resolvedast.ResolvedNodes.ResolvedFunctionArgument&gt;&nbsp;argumentList,
java.util.List&lt;com.google.zetasql.resolvedast.ResolvedColumn&gt;&nbsp;inputTableColumns)</code>
<div class="block">Convert a TableValuedFunction in ZetaSQL to a RexCall in Calcite.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#indexOfProjectionColumnRef-long-java.util.List-">indexOfProjectionColumnRef</a></span>(long&nbsp;colId,
java.util.List&lt;com.google.zetasql.resolvedast.ResolvedColumn&gt;&nbsp;columnList)</code>
<div class="block">Return an index of the projection column reference.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#retrieveRexNode-com.google.zetasql.resolvedast.ResolvedNodes.ResolvedProjectScan-java.util.List-">retrieveRexNode</a></span>(com.google.zetasql.resolvedast.ResolvedNodes.ResolvedProjectScan&nbsp;node,
java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeField&gt;&nbsp;fieldList)</code>
<div class="block">Extract expressions from a project scan node.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#retrieveRexNodeFromOrderByScan-org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster-com.google.zetasql.resolvedast.ResolvedNodes.ResolvedOrderByScan-java.util.List-">retrieveRexNodeFromOrderByScan</a></span>(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster&nbsp;cluster,
com.google.zetasql.resolvedast.ResolvedNodes.ResolvedOrderByScan&nbsp;node,
java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeField&gt;&nbsp;fieldList)</code>
<div class="block">Extract expressions from order by scan node.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/ExpressionConverter.html#trueLiteral--">trueLiteral</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Constructor Detail</h3>
<a name="ExpressionConverter-org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster-org.apache.beam.sdk.extensions.sql.impl.QueryPlanner.QueryParameters-org.apache.beam.sdk.extensions.sql.zetasql.translation.UserFunctionDefinitions-">
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<h4>ExpressionConverter</h4>
<pre>public&nbsp;ExpressionConverter(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster&nbsp;cluster,
<a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/QueryPlanner.QueryParameters.html" title="class in org.apache.beam.sdk.extensions.sql.impl">QueryPlanner.QueryParameters</a>&nbsp;params,
<a href="../../../../../../../../org/apache/beam/sdk/extensions/sql/zetasql/translation/UserFunctionDefinitions.html" title="class in org.apache.beam.sdk.extensions.sql.zetasql.translation">UserFunctionDefinitions</a>&nbsp;userFunctionDefinitions)</pre>
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<h4>retrieveRexNode</h4>
<pre>public&nbsp;java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&gt;&nbsp;retrieveRexNode(com.google.zetasql.resolvedast.ResolvedNodes.ResolvedProjectScan&nbsp;node,
java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeField&gt;&nbsp;fieldList)</pre>
<div class="block">Extract expressions from a project scan node.</div>
</li>
</ul>
<a name="retrieveRexNodeFromOrderByScan-org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster-com.google.zetasql.resolvedast.ResolvedNodes.ResolvedOrderByScan-java.util.List-">
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<h4>retrieveRexNodeFromOrderByScan</h4>
<pre>public&nbsp;java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&gt;&nbsp;retrieveRexNodeFromOrderByScan(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCluster&nbsp;cluster,
com.google.zetasql.resolvedast.ResolvedNodes.ResolvedOrderByScan&nbsp;node,
java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeField&gt;&nbsp;fieldList)</pre>
<div class="block">Extract expressions from order by scan node.</div>
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<a name="convertRexNodeFromResolvedExpr-com.google.zetasql.resolvedast.ResolvedNodes.ResolvedExpr-java.util.List-java.util.List-java.util.Map-">
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<h4>convertRexNodeFromResolvedExpr</h4>
<pre>public&nbsp;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&nbsp;convertRexNodeFromResolvedExpr(com.google.zetasql.resolvedast.ResolvedNodes.ResolvedExpr&nbsp;expr,
java.util.List&lt;com.google.zetasql.resolvedast.ResolvedColumn&gt;&nbsp;columnList,
java.util.List&lt;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.type.RelDataTypeField&gt;&nbsp;fieldList,
java.util.Map&lt;java.lang.String,org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&gt;&nbsp;functionArguments)</pre>
<div class="block">Create a RexNode for a corresponding resolved expression node.</div>
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<a name="convertRelNodeToRexRangeRef-org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode-">
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<h4>convertRelNodeToRexRangeRef</h4>
<pre>public&nbsp;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&nbsp;convertRelNodeToRexRangeRef(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode&nbsp;rel)</pre>
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<h4>convertRexNodeFromResolvedExpr</h4>
<pre>public&nbsp;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&nbsp;convertRexNodeFromResolvedExpr(com.google.zetasql.resolvedast.ResolvedNodes.ResolvedExpr&nbsp;expr)</pre>
<div class="block">Create a RexNode for a corresponding resolved expression.</div>
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<pre>public&nbsp;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&nbsp;trueLiteral()</pre>
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<h4>convertResolvedLiteral</h4>
<pre>public&nbsp;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexNode&nbsp;convertResolvedLiteral(com.google.zetasql.resolvedast.ResolvedNodes.ResolvedLiteral&nbsp;resolvedLiteral)</pre>
<div class="block">Convert a resolved literal to a RexNode.</div>
</li>
</ul>
<a name="convertTableValuedFunction-org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode-com.google.zetasql.TableValuedFunction-java.util.List-java.util.List-">
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<pre>public&nbsp;org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rex.RexCall&nbsp;convertTableValuedFunction(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode&nbsp;input,
com.google.zetasql.TableValuedFunction&nbsp;tvf,
java.util.List&lt;com.google.zetasql.resolvedast.ResolvedNodes.ResolvedFunctionArgument&gt;&nbsp;argumentList,
java.util.List&lt;com.google.zetasql.resolvedast.ResolvedColumn&gt;&nbsp;inputTableColumns)</pre>
<div class="block">Convert a TableValuedFunction in ZetaSQL to a RexCall in Calcite.</div>
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<pre>public&nbsp;int&nbsp;indexOfProjectionColumnRef(long&nbsp;colId,
java.util.List&lt;com.google.zetasql.resolvedast.ResolvedColumn&gt;&nbsp;columnList)</pre>
<div class="block">Return an index of the projection column reference.</div>
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