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<h2 title="Uses of Class org.apache.calcite.rel.core.Exchange" class="title">Uses of Class<br>org.apache.calcite.rel.core.Exchange</h2>
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<table class="useSummary">
<caption><span>Packages that use <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.core">org.apache.calcite.rel.core</a></th>
<td class="colLast">
<div class="block">Defines core relational expressions.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.logical">org.apache.calcite.rel.logical</a></th>
<td class="colLast">
<div class="block">Defines logical relational expressions.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.rel.metadata">org.apache.calcite.rel.metadata</a></th>
<td class="colLast">
<div class="block">Defines metadata interfaces and utilities for relational
expressions.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList">
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<section role="region"><a id="org.apache.calcite.rel.core">
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<h3>Uses of <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a> in <a href="../package-summary.html">org.apache.calcite.rel.core</a></h3>
<table class="useSummary">
<caption><span>Subclasses of <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a> in <a href="../package-summary.html">org.apache.calcite.rel.core</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../SortExchange.html" title="class in org.apache.calcite.rel.core">SortExchange</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression that performs <a href="../Exchange.html" title="class in org.apache.calcite.rel.core"><code>Exchange</code></a> and <a href="../Sort.html" title="class in org.apache.calcite.rel.core"><code>Sort</code></a>
simultaneously.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary">
<caption><span>Methods in <a href="../package-summary.html">org.apache.calcite.rel.core</a> that return <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a></code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Exchange.</span><code><span class="memberNameLink"><a href="../Exchange.html#copy(org.apache.calcite.plan.RelTraitSet,java.util.List)">copy</a></span>&#8203;(<a href="../../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
java.util.List&lt;<a href="../../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;inputs)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a></code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">Exchange.</span><code><span class="memberNameLink"><a href="../Exchange.html#copy(org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelDistribution)">copy</a></span>&#8203;(<a href="../../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
<a href="../../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;newInput,
<a href="../../RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a>&nbsp;newDistribution)</code></th>
<td class="colLast">&nbsp;</td>
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<section role="region"><a id="org.apache.calcite.rel.logical">
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<h3>Uses of <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a> in <a href="../../logical/package-summary.html">org.apache.calcite.rel.logical</a></h3>
<table class="useSummary">
<caption><span>Subclasses of <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a> in <a href="../../logical/package-summary.html">org.apache.calcite.rel.logical</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../logical/LogicalExchange.html" title="class in org.apache.calcite.rel.logical">LogicalExchange</a></span></code></th>
<td class="colLast">
<div class="block">Sub-class of <a href="../Exchange.html" title="class in org.apache.calcite.rel.core"><code>Exchange</code></a> not
targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../logical/LogicalSortExchange.html" title="class in org.apache.calcite.rel.logical">LogicalSortExchange</a></span></code></th>
<td class="colLast">
<div class="block">Sub-class of <a href="../SortExchange.html" title="class in org.apache.calcite.rel.core"><code>SortExchange</code></a> not
targeted at any particular engine or calling convention.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary">
<caption><span>Methods in <a href="../../logical/package-summary.html">org.apache.calcite.rel.logical</a> that return <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a></code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">LogicalExchange.</span><code><span class="memberNameLink"><a href="../../logical/LogicalExchange.html#copy(org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelDistribution)">copy</a></span>&#8203;(<a href="../../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
<a href="../../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;newInput,
<a href="../../RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a>&nbsp;newDistribution)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
</tbody>
</table>
</section>
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<section role="region"><a id="org.apache.calcite.rel.metadata">
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</a>
<h3>Uses of <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a> in <a href="../../metadata/package-summary.html">org.apache.calcite.rel.metadata</a></h3>
<table class="useSummary">
<caption><span>Methods in <a href="../../metadata/package-summary.html">org.apache.calcite.rel.metadata</a> with parameters of type <a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>java.lang.Boolean</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdColumnUniqueness.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdColumnUniqueness.html#areColumnsUnique(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery,org.apache.calcite.util.ImmutableBitSet,boolean)">areColumnsUnique</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;rel,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;columns,
boolean&nbsp;ignoreNulls)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.util.List&lt;java.lang.Double&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdSize.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdSize.html#averageColumnSizes(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery)">averageColumnSizes</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;rel,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../RelDistribution.html" title="interface in org.apache.calcite.rel">RelDistribution</a></code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdDistribution.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdDistribution.html#distribution(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery)">distribution</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;exchange,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../plan/RelOptPredicateList.html" title="class in org.apache.calcite.plan">RelOptPredicateList</a></code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdAllPredicates.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdAllPredicates.html#getAllPredicates(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery)">getAllPredicates</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;exchange,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code></th>
<td class="colLast">
<div class="block">Extract predicates for an Exchange.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.util.Set&lt;<a href="../../metadata/RelColumnOrigin.html" title="class in org.apache.calcite.rel.metadata">RelColumnOrigin</a>&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdColumnOrigins.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdColumnOrigins.html#getColumnOrigins(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery,int)">getColumnOrigins</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;rel,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq,
int&nbsp;iOutputColumn)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.lang.Double</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdDistinctRowCount.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdDistinctRowCount.html#getDistinctRowCount(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery,org.apache.calcite.util.ImmutableBitSet,org.apache.calcite.rex.RexNode)">getDistinctRowCount</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;rel,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;groupKey,
<a href="../../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;predicate)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.util.Set&lt;<a href="../../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdExpressionLineage.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdExpressionLineage.html#getExpressionLineage(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery,org.apache.calcite.rex.RexNode)">getExpressionLineage</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;rel,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;outputExpression)</code></th>
<td class="colLast">
<div class="block">Expression lineage from Exchange.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.lang.Double</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdPopulationSize.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdPopulationSize.html#getPopulationSize(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery,org.apache.calcite.util.ImmutableBitSet)">getPopulationSize</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;rel,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>&nbsp;groupKey)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../plan/RelOptPredicateList.html" title="class in org.apache.calcite.plan">RelOptPredicateList</a></code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdPredicates.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdPredicates.html#getPredicates(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery)">getPredicates</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;exchange,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code></th>
<td class="colLast">
<div class="block">Infers predicates for an Exchange.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.util.Set&lt;<a href="../../../rex/RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdTableReferences.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdTableReferences.html#getTableReferences(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery)">getTableReferences</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;rel,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code></th>
<td class="colLast">
<div class="block">Table references from Exchange.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.lang.Boolean</code></td>
<th class="colSecond" scope="row"><span class="typeNameLabel">RelMdParallelism.</span><code><span class="memberNameLink"><a href="../../metadata/RelMdParallelism.html#isPhaseTransition(org.apache.calcite.rel.core.Exchange,org.apache.calcite.rel.metadata.RelMetadataQuery)">isPhaseTransition</a></span>&#8203;(<a href="../Exchange.html" title="class in org.apache.calcite.rel.core">Exchange</a>&nbsp;rel,
<a href="../../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code></th>
<td class="colLast">&nbsp;</td>
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