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<title>Join (Apache Calcite API)</title>
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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.rel.core</a></div>
<h1 title="Class Join" class="title">Class Join</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance"><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">org.apache.calcite.rel.AbstractRelNode</a>
<div class="inheritance"><a href="../BiRel.html" title="class in org.apache.calcite.rel">org.apache.calcite.rel.BiRel</a>
<div class="inheritance">org.apache.calcite.rel.core.Join</div>
</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Cloneable.html" title="class or interface in java.lang" class="external-link">Cloneable</a></code>, <code><a href="../../plan/RelOptNode.html" title="interface in org.apache.calcite.plan">RelOptNode</a></code>, <code><a href="../hint/Hintable.html" title="interface in org.apache.calcite.rel.hint">Hintable</a></code>, <code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd>
</dl>
<dl class="notes">
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="../../interpreter/Bindables.BindableJoin.html" title="class in org.apache.calcite.interpreter">Bindables.BindableJoin</a></code>, <code><a href="../../adapter/enumerable/EnumerableBatchNestedLoopJoin.html" title="class in org.apache.calcite.adapter.enumerable">EnumerableBatchNestedLoopJoin</a></code>, <code><a href="../../adapter/enumerable/EnumerableHashJoin.html" title="class in org.apache.calcite.adapter.enumerable">EnumerableHashJoin</a></code>, <code><a href="../../adapter/enumerable/EnumerableMergeJoin.html" title="class in org.apache.calcite.adapter.enumerable">EnumerableMergeJoin</a></code>, <code><a href="../../adapter/enumerable/EnumerableNestedLoopJoin.html" title="class in org.apache.calcite.adapter.enumerable">EnumerableNestedLoopJoin</a></code>, <code><a href="EquiJoin.html" title="class in org.apache.calcite.rel.core">EquiJoin</a></code>, <code><a href="../../adapter/jdbc/JdbcRules.JdbcJoin.html" title="class in org.apache.calcite.adapter.jdbc">JdbcRules.JdbcJoin</a></code>, <code><a href="../logical/LogicalJoin.html" title="class in org.apache.calcite.rel.logical">LogicalJoin</a></code>, <code><a href="../../adapter/pig/PigJoin.html" title="class in org.apache.calcite.adapter.pig">PigJoin</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">Join</span>
<span class="extends-implements">extends <a href="../BiRel.html" title="class in org.apache.calcite.rel">BiRel</a>
implements <a href="../hint/Hintable.html" title="interface in org.apache.calcite.rel.hint">Hintable</a></span></div>
<div class="block">Relational expression that combines two relational expressions according to
some condition.
<p>Each output row has columns from the left and right inputs.
The set of output rows is a subset of the cartesian product of the two
inputs; precisely which subset depends on the join condition.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<li>
<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="inherited-list">
<h2 id="nested-classes-inherited-from-class-org.apache.calcite.rel.RelNode">Nested classes/interfaces inherited from interface&nbsp;org.apache.calcite.rel.<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></h2>
<code><a href="../RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a></code></div>
</section>
</li>
<!-- =========== FIELD SUMMARY =========== -->
<li>
<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="caption"><span>Fields</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Field</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>protected final <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></div>
<div class="col-second even-row-color"><code><a href="#condition" class="member-name-link">condition</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>protected final com.google.common.collect.ImmutableList&lt;<a href="../hint/RelHint.html" title="class in org.apache.calcite.rel.hint">RelHint</a>&gt;</code></div>
<div class="col-second odd-row-color"><code><a href="#hints" class="member-name-link">hints</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>protected final <a href="JoinInfo.html" title="class in org.apache.calcite.rel.core">JoinInfo</a></code></div>
<div class="col-second even-row-color"><code><a href="#joinInfo" class="member-name-link">joinInfo</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>protected final <a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a></code></div>
<div class="col-second odd-row-color"><code><a href="#joinType" class="member-name-link">joinType</a></code></div>
<div class="col-last odd-row-color">
<div class="block">Values must be of enumeration <a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core"><code>JoinRelType</code></a>, except that
<a href="JoinRelType.html#RIGHT"><code>JoinRelType.RIGHT</code></a> is disallowed.</div>
</div>
<div class="col-first even-row-color"><code>protected final com.google.common.collect.ImmutableSet&lt;<a href="CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&gt;</code></div>
<div class="col-second even-row-color"><code><a href="#variablesSet" class="member-name-link">variablesSet</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.calcite.rel.BiRel">Fields inherited from class&nbsp;org.apache.calcite.rel.<a href="../BiRel.html" title="class in org.apache.calcite.rel">BiRel</a></h3>
<code><a href="../BiRel.html#left">left</a>, <a href="../BiRel.html#right">right</a></code></div>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.calcite.rel.AbstractRelNode">Fields inherited from class&nbsp;org.apache.calcite.rel.<a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></h3>
<code><a href="../AbstractRelNode.html#digest">digest</a>, <a href="../AbstractRelNode.html#id">id</a>, <a href="../AbstractRelNode.html#rowType">rowType</a>, <a href="../AbstractRelNode.html#traitSet">traitSet</a></code></div>
</section>
</li>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier</div>
<div class="table-header col-second">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>protected </code></div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.plan.RelTraitSet,java.util.List,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rex.RexNode,java.util.Set,org.apache.calcite.rel.core.JoinRelType)" class="member-name-link">Join</a><wbr>(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a>&nbsp;cluster,
<a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../hint/RelHint.html" title="class in org.apache.calcite.rel.hint">RelHint</a>&gt;&nbsp;hints,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;left,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;right,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&gt;&nbsp;variablesSet,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType)</code></div>
<div class="col-last even-row-color">
<div class="block">Creates a Join.</div>
</div>
<div class="col-first odd-row-color"><code>protected </code></div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rex.RexNode,java.util.Set,org.apache.calcite.rel.core.JoinRelType)" class="member-name-link">Join</a><wbr>(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a>&nbsp;cluster,
<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;left,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;right,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&gt;&nbsp;variablesSet,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType)</code></div>
<div class="col-last odd-row-color">
<div class="block"><span class="deprecated-label">Deprecated.</span></div>
</div>
<div class="col-first even-row-color"><code>protected </code></div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rex.RexNode,org.apache.calcite.rel.core.JoinRelType,java.util.Set)" class="member-name-link">Join</a><wbr>(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a>&nbsp;cluster,
<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;left,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;right,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;variablesStopped)</code></div>
<div class="col-last even-row-color">
<div class="block"><span class="deprecated-label">Deprecated.</span></div>
</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button><button id="method-summary-table-tab6" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab6', 3)" class="table-tab">Deprecated Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#accept(org.apache.calcite.rex.RexShuttle)" class="member-name-link">accept</a><wbr>(<a href="../../rex/RexShuttle.html" title="class in org.apache.calcite.rex">RexShuttle</a>&nbsp;shuttle)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Accepts a visit from a shuttle.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="JoinInfo.html" title="class in org.apache.calcite.rel.core">JoinInfo</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#analyzeCondition()" class="member-name-link">analyzeCondition</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Analyzes the join condition.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../../plan/RelOptCost.html" title="interface in org.apache.calcite.plan">RelOptCost</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)" class="member-name-link">computeSelfCost</a><wbr>(<a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a>&nbsp;planner,
<a href="../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the cost of this plan (not including children).</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final <a href="Join.html" title="class in org.apache.calcite.rel.core">Join</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#copy(org.apache.calcite.plan.RelTraitSet,java.util.List)" class="member-name-link">copy</a><wbr>(<a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;inputs)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Creates a copy of this relational expression, perhaps changing traits and
inputs.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract <a href="Join.html" title="class in org.apache.calcite.rel.core">Join</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#copy(org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rex.RexNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.core.JoinRelType,boolean)" class="member-name-link">copy</a><wbr>(<a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;conditionExpr,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;left,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;right,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType,
boolean&nbsp;semiJoinDone)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Creates a copy of this join, overriding condition, system fields and
inputs.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code>static <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#createJoinType(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType,java.util.List,java.util.List)" class="member-name-link">createJoinType</a><wbr>(<a href="../type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;leftType,
<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rightType,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;fieldNameList,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&gt;&nbsp;systemFieldList)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6">
<div class="block"><span class="deprecated-label">Deprecated.</span></div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#deepEquals0(java.lang.Object)" class="member-name-link">deepEquals0</a><wbr>(@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;obj)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#deepHashCode0()" class="member-name-link">deepHashCode0</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code>static <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#deriveJoinRowType(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.core.JoinRelType,org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List,java.util.List)" class="member-name-link">deriveJoinRowType</a><wbr>(<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;leftType,
<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rightType,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType,
<a href="../type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;fieldNameList,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&gt;&nbsp;systemFieldList)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6">
<div class="block"><span class="deprecated-label">Deprecated.</span></div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#deriveRowType()" class="member-name-link">deriveRowType</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code>static double</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#estimateJoinedRows(org.apache.calcite.rel.core.Join,org.apache.calcite.rex.RexNode)" class="member-name-link">estimateJoinedRows</a><wbr>(<a href="Join.html" title="class in org.apache.calcite.rel.core">Join</a>&nbsp;joinRel,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4 method-summary-table-tab6">
<div class="block"><span class="deprecated-label">Deprecated.</span>
<div class="deprecation-comment">Use <a href="../metadata/RelMdUtil.html#getJoinRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery,org.apache.calcite.rel.core.Join,org.apache.calcite.rex.RexNode)"><code>RelMdUtil.getJoinRowCount(RelMetadataQuery, Join, RexNode)</code></a>.</div>
</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery)" class="member-name-link">estimateRowCount</a><wbr>(<a href="../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns an estimate of the number of rows this relational expression will
return.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../RelWriter.html" title="interface in org.apache.calcite.rel">RelWriter</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#explainTerms(org.apache.calcite.rel.RelWriter)" class="member-name-link">explainTerms</a><wbr>(<a href="../RelWriter.html" title="interface in org.apache.calcite.rel">RelWriter</a>&nbsp;pw)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Describes the inputs and attributes of this relational expression.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getCondition()" class="member-name-link">getCondition</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>com.google.common.collect.ImmutableList&lt;<a href="../hint/RelHint.html" title="class in org.apache.calcite.rel.hint">RelHint</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getHints()" class="member-name-link">getHints</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the hints of this relational expressions as an immutable list.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getJoinType()" class="member-name-link">getJoinType</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSystemFieldList()" class="member-name-link">getSystemFieldList</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns a list of system fields that will be prefixed to
output row type.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVariablesSet()" class="member-name-link">getVariablesSet</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the variables that are set in this relational
expression but also used and therefore not available to parents of this
relational expression.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isSemiJoin()" class="member-name-link">isSemiJoin</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns whether this Join is a semijoin.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isSemiJoinDone()" class="member-name-link">isSemiJoinDone</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns whether this LogicalJoin has already spawned a
<code>SemiJoin</code> via
<a href="../rules/JoinAddRedundantSemiJoinRule.html" title="class in org.apache.calcite.rel.rules"><code>JoinAddRedundantSemiJoinRule</code></a>.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)" class="member-name-link">isValid</a><wbr>(<a href="../../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
@Nullable <a href="../RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns whether this relational expression is valid.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.rel.BiRel">Methods inherited from class&nbsp;org.apache.calcite.rel.<a href="../BiRel.html" title="class in org.apache.calcite.rel">BiRel</a></h3>
<code><a href="../BiRel.html#childrenAccept(org.apache.calcite.rel.RelVisitor)">childrenAccept</a>, <a href="../BiRel.html#getInputs()">getInputs</a>, <a href="../BiRel.html#getLeft()">getLeft</a>, <a href="../BiRel.html#getRight()">getRight</a>, <a href="../BiRel.html#replaceInput(int,org.apache.calcite.rel.RelNode)">replaceInput</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.rel.AbstractRelNode">Methods inherited from class&nbsp;org.apache.calcite.rel.<a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></h3>
<code><a href="../AbstractRelNode.html#accept(org.apache.calcite.rel.RelShuttle)">accept</a>, <a href="../AbstractRelNode.html#collectVariablesSet(java.util.Set)">collectVariablesSet</a>, <a href="../AbstractRelNode.html#collectVariablesUsed(java.util.Set)">collectVariablesUsed</a>, <a href="../AbstractRelNode.html#deepEquals(java.lang.Object)">deepEquals</a>, <a href="../AbstractRelNode.html#deepHashCode()">deepHashCode</a>, <a href="../AbstractRelNode.html#equals(java.lang.Object)">equals</a>, <a href="../AbstractRelNode.html#explain(org.apache.calcite.rel.RelWriter)">explain</a>, <a href="../AbstractRelNode.html#getCluster()">getCluster</a>, <a href="../AbstractRelNode.html#getConvention()">getConvention</a>, <a href="../AbstractRelNode.html#getCorrelVariable()">getCorrelVariable</a>, <a href="../AbstractRelNode.html#getDescription()">getDescription</a>, <a href="../AbstractRelNode.html#getDigest()">getDigest</a>, <a href="../AbstractRelNode.html#getExpectedInputRowType(int)">getExpectedInputRowType</a>, <a href="../AbstractRelNode.html#getId()">getId</a>, <a href="../AbstractRelNode.html#getInput(int)">getInput</a>, <a href="../AbstractRelNode.html#getRelDigest()">getRelDigest</a>, <a href="../AbstractRelNode.html#getRelTypeName()">getRelTypeName</a>, <a href="../AbstractRelNode.html#getRowType()">getRowType</a>, <a href="../AbstractRelNode.html#getTable()">getTable</a>, <a href="../AbstractRelNode.html#getTraitSet()">getTraitSet</a>, <a href="../AbstractRelNode.html#hashCode()">hashCode</a>, <a href="../AbstractRelNode.html#isEnforcer()">isEnforcer</a>, <a href="../AbstractRelNode.html#metadata(java.lang.Class,org.apache.calcite.rel.metadata.RelMetadataQuery)">metadata</a>, <a href="../AbstractRelNode.html#onRegister(org.apache.calcite.plan.RelOptPlanner)">onRegister</a>, <a href="../AbstractRelNode.html#recomputeDigest()">recomputeDigest</a>, <a href="../AbstractRelNode.html#register(org.apache.calcite.plan.RelOptPlanner)">register</a>, <a href="../AbstractRelNode.html#sole(java.util.List)">sole</a>, <a href="../AbstractRelNode.html#toString()">toString</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.rel.hint.Hintable">Methods inherited from interface&nbsp;org.apache.calcite.rel.hint.<a href="../hint/Hintable.html" title="interface in org.apache.calcite.rel.hint">Hintable</a></h3>
<code><a href="../hint/Hintable.html#attachHints(java.util.List)">attachHints</a>, <a href="../hint/Hintable.html#withHints(java.util.List)">withHints</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.rel.RelNode">Methods inherited from interface&nbsp;org.apache.calcite.rel.<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></h3>
<code><a href="../RelNode.html#explain()">explain</a>, <a href="../RelNode.html#fieldIsNullable(int)">fieldIsNullable</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="condition">
<h3>condition</h3>
<div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type"><a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></span>&nbsp;<span class="element-name">condition</span></div>
</section>
</li>
<li>
<section class="detail" id="variablesSet">
<h3>variablesSet</h3>
<div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">com.google.common.collect.ImmutableSet&lt;<a href="CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&gt;</span>&nbsp;<span class="element-name">variablesSet</span></div>
</section>
</li>
<li>
<section class="detail" id="hints">
<h3>hints</h3>
<div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">com.google.common.collect.ImmutableList&lt;<a href="../hint/RelHint.html" title="class in org.apache.calcite.rel.hint">RelHint</a>&gt;</span>&nbsp;<span class="element-name">hints</span></div>
</section>
</li>
<li>
<section class="detail" id="joinType">
<h3>joinType</h3>
<div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type"><a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a></span>&nbsp;<span class="element-name">joinType</span></div>
<div class="block">Values must be of enumeration <a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core"><code>JoinRelType</code></a>, except that
<a href="JoinRelType.html#RIGHT"><code>JoinRelType.RIGHT</code></a> is disallowed.</div>
</section>
</li>
<li>
<section class="detail" id="joinInfo">
<h3>joinInfo</h3>
<div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type"><a href="JoinInfo.html" title="class in org.apache.calcite.rel.core">JoinInfo</a></span>&nbsp;<span class="element-name">joinInfo</span></div>
</section>
</li>
</ul>
</section>
</li>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.plan.RelTraitSet,java.util.List,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rex.RexNode,java.util.Set,org.apache.calcite.rel.core.JoinRelType)">
<h3>Join</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="element-name">Join</span><wbr><span class="parameters">(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a>&nbsp;cluster,
<a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../hint/RelHint.html" title="class in org.apache.calcite.rel.hint">RelHint</a>&gt;&nbsp;hints,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;left,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;right,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&gt;&nbsp;variablesSet,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType)</span></div>
<div class="block">Creates a Join.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>cluster</code> - Cluster</dd>
<dd><code>traitSet</code> - Trait set</dd>
<dd><code>hints</code> - Hints</dd>
<dd><code>left</code> - Left input</dd>
<dd><code>right</code> - Right input</dd>
<dd><code>condition</code> - Join condition</dd>
<dd><code>joinType</code> - Join type</dd>
<dd><code>variablesSet</code> - variables that are set by the
LHS and used by the RHS and are not available to
nodes above this Join in the tree</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rex.RexNode,java.util.Set,org.apache.calcite.rel.core.JoinRelType)">
<h3>Join</h3>
<div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
</span><span class="modifiers">protected</span>&nbsp;<span class="element-name">Join</span><wbr><span class="parameters">(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a>&nbsp;cluster,
<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;left,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;right,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&gt;&nbsp;variablesSet,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType)</span></div>
<div class="deprecation-block"><span class="deprecated-label">Deprecated.</span></div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rex.RexNode,org.apache.calcite.rel.core.JoinRelType,java.util.Set)">
<h3>Join</h3>
<div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
</span><span class="modifiers">protected</span>&nbsp;<span class="element-name">Join</span><wbr><span class="parameters">(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a>&nbsp;cluster,
<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;left,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;right,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;variablesStopped)</span></div>
<div class="deprecation-block"><span class="deprecated-label">Deprecated.</span></div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="accept(org.apache.calcite.rex.RexShuttle)">
<h3>accept</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></span>&nbsp;<span class="element-name">accept</span><wbr><span class="parameters">(<a href="../../rex/RexShuttle.html" title="class in org.apache.calcite.rex">RexShuttle</a>&nbsp;shuttle)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../RelNode.html#accept(org.apache.calcite.rex.RexShuttle)">RelNode</a></code></span></div>
<div class="block">Accepts a visit from a shuttle. If the shuttle updates expression, then
a copy of the relation should be created. This new relation might have
a different row-type.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../RelNode.html#accept(org.apache.calcite.rex.RexShuttle)">accept</a></code>&nbsp;in interface&nbsp;<code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../AbstractRelNode.html#accept(org.apache.calcite.rex.RexShuttle)">accept</a></code>&nbsp;in class&nbsp;<code><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></code></dd>
<dt>Parameters:</dt>
<dd><code>shuttle</code> - Shuttle</dd>
<dt>Returns:</dt>
<dd>A copy of this node incorporating changes made by the shuttle to
this node's children</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getCondition()">
<h3>getCondition</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></span>&nbsp;<span class="element-name">getCondition</span>()</div>
</section>
</li>
<li>
<section class="detail" id="getJoinType()">
<h3>getJoinType</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a></span>&nbsp;<span class="element-name">getJoinType</span>()</div>
</section>
</li>
<li>
<section class="detail" id="isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">
<h3>isValid</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isValid</span><wbr><span class="parameters">(<a href="../../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus,
@Nullable <a href="../RelNode.Context.html" title="interface in org.apache.calcite.rel">RelNode.Context</a>&nbsp;context)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../RelNode.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">RelNode</a></code></span></div>
<div class="block">Returns whether this relational expression is valid.
<p>If assertions are enabled, this method is typically called with <code>
litmus</code> = <code>THROW</code>, as follows:
<blockquote>
<pre>assert rel.isValid(Litmus.THROW)</pre>
</blockquote>
<p>This signals that the method can throw an <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/AssertionError.html" title="class or interface in java.lang" class="external-link"><code>AssertionError</code></a> if it
is not valid.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../RelNode.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></code>&nbsp;in interface&nbsp;<code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../AbstractRelNode.html#isValid(org.apache.calcite.util.Litmus,org.apache.calcite.rel.RelNode.Context)">isValid</a></code>&nbsp;in class&nbsp;<code><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></code></dd>
<dt>Parameters:</dt>
<dd><code>litmus</code> - What to do if invalid</dd>
<dd><code>context</code> - Context for validity checking</dd>
<dt>Returns:</dt>
<dd>Whether relational expression is valid</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)">
<h3>computeSelfCost</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="../../plan/RelOptCost.html" title="interface in org.apache.calcite.plan">RelOptCost</a></span>&nbsp;<span class="element-name">computeSelfCost</span><wbr><span class="parameters">(<a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a>&nbsp;planner,
<a href="../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../RelNode.html#computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)">RelNode</a></code></span></div>
<div class="block">Returns the cost of this plan (not including children). The base
implementation throws an error; derived classes should override.
<p>NOTE jvs 29-Mar-2006: Don't call this method directly. Instead, use
<a href="../metadata/RelMetadataQuery.html#getNonCumulativeCost(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getNonCumulativeCost(org.apache.calcite.rel.RelNode)</code></a>, which gives plugins a
chance to override the rel's default ideas about cost.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../RelNode.html#computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)">computeSelfCost</a></code>&nbsp;in interface&nbsp;<code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../AbstractRelNode.html#computeSelfCost(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.metadata.RelMetadataQuery)">computeSelfCost</a></code>&nbsp;in class&nbsp;<code><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></code></dd>
<dt>Parameters:</dt>
<dd><code>planner</code> - Planner for cost calculation</dd>
<dd><code>mq</code> - Metadata query</dd>
<dt>Returns:</dt>
<dd>Cost of this plan (not including children)</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="estimateJoinedRows(org.apache.calcite.rel.core.Join,org.apache.calcite.rex.RexNode)">
<h3>estimateJoinedRows</h3>
<div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
</span><span class="modifiers">public static</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">estimateJoinedRows</span><wbr><span class="parameters">(<a href="Join.html" title="class in org.apache.calcite.rel.core">Join</a>&nbsp;joinRel,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition)</span></div>
<div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
<div class="deprecation-comment">Use <a href="../metadata/RelMdUtil.html#getJoinRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery,org.apache.calcite.rel.core.Join,org.apache.calcite.rex.RexNode)"><code>RelMdUtil.getJoinRowCount(RelMetadataQuery, Join, RexNode)</code></a>.</div>
</div>
</section>
</li>
<li>
<section class="detail" id="estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery)">
<h3>estimateRowCount</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">estimateRowCount</span><wbr><span class="parameters">(<a href="../metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../RelNode.html#estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery)">RelNode</a></code></span></div>
<div class="block">Returns an estimate of the number of rows this relational expression will
return.
<p>NOTE jvs 29-Mar-2006: Don't call this method directly. Instead, use
<a href="../metadata/RelMetadataQuery.html#getRowCount(org.apache.calcite.rel.RelNode)"><code>RelMetadataQuery.getRowCount(org.apache.calcite.rel.RelNode)</code></a>, which gives plugins a chance to
override the rel's default ideas about row count.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../RelNode.html#estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery)">estimateRowCount</a></code>&nbsp;in interface&nbsp;<code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../AbstractRelNode.html#estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery)">estimateRowCount</a></code>&nbsp;in class&nbsp;<code><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></code></dd>
<dt>Parameters:</dt>
<dd><code>mq</code> - Metadata query</dd>
<dt>Returns:</dt>
<dd>Estimate of the number of rows this relational expression will
return</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getVariablesSet()">
<h3>getVariablesSet</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="CorrelationId.html" title="class in org.apache.calcite.rel.core">CorrelationId</a>&gt;</span>&nbsp;<span class="element-name">getVariablesSet</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../RelNode.html#getVariablesSet()">RelNode</a></code></span></div>
<div class="block">Returns the variables that are set in this relational
expression but also used and therefore not available to parents of this
relational expression.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../RelNode.html#getVariablesSet()">getVariablesSet</a></code>&nbsp;in interface&nbsp;<code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../AbstractRelNode.html#getVariablesSet()">getVariablesSet</a></code>&nbsp;in class&nbsp;<code><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></code></dd>
<dt>Returns:</dt>
<dd>Names of variables which are set in this relational
expression</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="explainTerms(org.apache.calcite.rel.RelWriter)">
<h3>explainTerms</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../RelWriter.html" title="interface in org.apache.calcite.rel">RelWriter</a></span>&nbsp;<span class="element-name">explainTerms</span><wbr><span class="parameters">(<a href="../RelWriter.html" title="interface in org.apache.calcite.rel">RelWriter</a>&nbsp;pw)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="../AbstractRelNode.html#explainTerms(org.apache.calcite.rel.RelWriter)">AbstractRelNode</a></code></span></div>
<div class="block">Describes the inputs and attributes of this relational expression.
Each node should call <code>super.explainTerms</code>, then call the
<a href="../RelWriter.html#input(java.lang.String,org.apache.calcite.rel.RelNode)"><code>RelWriter.input(String, RelNode)</code></a>
and
<a href="../RelWriter.html#item(java.lang.String,java.lang.Object)"><code>RelWriter.item(String, Object)</code></a>
methods for each input and attribute.</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="../BiRel.html#explainTerms(org.apache.calcite.rel.RelWriter)">explainTerms</a></code>&nbsp;in class&nbsp;<code><a href="../BiRel.html" title="class in org.apache.calcite.rel">BiRel</a></code></dd>
<dt>Parameters:</dt>
<dd><code>pw</code> - Plan writer</dd>
<dt>Returns:</dt>
<dd>Plan writer for fluent-explain pattern</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="deepEquals0(java.lang.Object)">
<h3>deepEquals0</h3>
<div class="member-signature"><span class="annotations">@API(since="1.24",
status=INTERNAL)
@EnsuresNonNullIf(expression="#1",
result=true)
</span><span class="modifiers">protected</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">deepEquals0</span><wbr><span class="parameters">(@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;obj)</span></div>
</section>
</li>
<li>
<section class="detail" id="deepHashCode0()">
<h3>deepHashCode0</h3>
<div class="member-signature"><span class="annotations">@API(since="1.24",
status=INTERNAL)
</span><span class="modifiers">protected</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">deepHashCode0</span>()</div>
</section>
</li>
<li>
<section class="detail" id="deriveRowType()">
<h3>deriveRowType</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span>&nbsp;<span class="element-name">deriveRowType</span>()</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="../AbstractRelNode.html#deriveRowType()">deriveRowType</a></code>&nbsp;in class&nbsp;<code><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="isSemiJoinDone()">
<h3>isSemiJoinDone</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isSemiJoinDone</span>()</div>
<div class="block">Returns whether this LogicalJoin has already spawned a
<code>SemiJoin</code> via
<a href="../rules/JoinAddRedundantSemiJoinRule.html" title="class in org.apache.calcite.rel.rules"><code>JoinAddRedundantSemiJoinRule</code></a>.
<p>The base implementation returns false.</p></div>
<dl class="notes">
<dt>Returns:</dt>
<dd>whether this join has already spawned a semi join</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="isSemiJoin()">
<h3>isSemiJoin</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isSemiJoin</span>()</div>
<div class="block">Returns whether this Join is a semijoin.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>true if this Join's join type is semi.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getSystemFieldList()">
<h3>getSystemFieldList</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&gt;</span>&nbsp;<span class="element-name">getSystemFieldList</span>()</div>
<div class="block">Returns a list of system fields that will be prefixed to
output row type.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>list of system fields</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="deriveJoinRowType(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.core.JoinRelType,org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List,java.util.List)">
<h3>deriveJoinRowType</h3>
<div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
</span><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span>&nbsp;<span class="element-name">deriveJoinRowType</span><wbr><span class="parameters">(<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;leftType,
<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rightType,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType,
<a href="../type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
@Nullable <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;fieldNameList,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&gt;&nbsp;systemFieldList)</span></div>
<div class="deprecation-block"><span class="deprecated-label">Deprecated.</span></div>
</section>
</li>
<li>
<section class="detail" id="createJoinType(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType,java.util.List,java.util.List)">
<h3>createJoinType</h3>
<div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
</span><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span>&nbsp;<span class="element-name">createJoinType</span><wbr><span class="parameters">(<a href="../type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;leftType,
<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rightType,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;fieldNameList,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&gt;&nbsp;systemFieldList)</span></div>
<div class="deprecation-block"><span class="deprecated-label">Deprecated.</span></div>
</section>
</li>
<li>
<section class="detail" id="copy(org.apache.calcite.plan.RelTraitSet,java.util.List)">
<h3>copy</h3>
<div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><a href="Join.html" title="class in org.apache.calcite.rel.core">Join</a></span>&nbsp;<span class="element-name">copy</span><wbr><span class="parameters">(<a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;inputs)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../RelNode.html#copy(org.apache.calcite.plan.RelTraitSet,java.util.List)">RelNode</a></code></span></div>
<div class="block">Creates a copy of this relational expression, perhaps changing traits and
inputs.
<p>Sub-classes with other important attributes are encouraged to create
variants of this method with more parameters.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../RelNode.html#copy(org.apache.calcite.plan.RelTraitSet,java.util.List)">copy</a></code>&nbsp;in interface&nbsp;<code><a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../AbstractRelNode.html#copy(org.apache.calcite.plan.RelTraitSet,java.util.List)">copy</a></code>&nbsp;in class&nbsp;<code><a href="../AbstractRelNode.html" title="class in org.apache.calcite.rel">AbstractRelNode</a></code></dd>
<dt>Parameters:</dt>
<dd><code>traitSet</code> - Trait set</dd>
<dd><code>inputs</code> - Inputs</dd>
<dt>Returns:</dt>
<dd>Copy of this relational expression, substituting traits and
inputs</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="copy(org.apache.calcite.plan.RelTraitSet,org.apache.calcite.rex.RexNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode,org.apache.calcite.rel.core.JoinRelType,boolean)">
<h3>copy</h3>
<div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span class="return-type"><a href="Join.html" title="class in org.apache.calcite.rel.core">Join</a></span>&nbsp;<span class="element-name">copy</span><wbr><span class="parameters">(<a href="../../plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;traitSet,
<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;conditionExpr,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;left,
<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;right,
<a href="JoinRelType.html" title="enum in org.apache.calcite.rel.core">JoinRelType</a>&nbsp;joinType,
boolean&nbsp;semiJoinDone)</span></div>
<div class="block">Creates a copy of this join, overriding condition, system fields and
inputs.
<p>General contract as <a href="../RelNode.html#copy(org.apache.calcite.plan.RelTraitSet,java.util.List)"><code>RelNode.copy(org.apache.calcite.plan.RelTraitSet, java.util.List&lt;org.apache.calcite.rel.RelNode&gt;)</code></a>.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>traitSet</code> - Traits</dd>
<dd><code>conditionExpr</code> - Condition</dd>
<dd><code>left</code> - Left input</dd>
<dd><code>right</code> - Right input</dd>
<dd><code>joinType</code> - Join type</dd>
<dd><code>semiJoinDone</code> - Whether this join has been translated to a
semi-join</dd>
<dt>Returns:</dt>
<dd>Copy of this join</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="analyzeCondition()">
<h3>analyzeCondition</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="JoinInfo.html" title="class in org.apache.calcite.rel.core">JoinInfo</a></span>&nbsp;<span class="element-name">analyzeCondition</span>()</div>
<div class="block">Analyzes the join condition.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>Analyzed join condition</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getHints()">
<h3>getHints</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">com.google.common.collect.ImmutableList&lt;<a href="../hint/RelHint.html" title="class in org.apache.calcite.rel.hint">RelHint</a>&gt;</span>&nbsp;<span class="element-name">getHints</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../hint/Hintable.html#getHints()">Hintable</a></code></span></div>
<div class="block">Returns the hints of this relational expressions as an immutable list.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../hint/Hintable.html#getHints()">getHints</a></code>&nbsp;in interface&nbsp;<code><a href="../hint/Hintable.html" title="interface in org.apache.calcite.rel.hint">Hintable</a></code></dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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