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<div class="subTitle">org.apache.calcite.rel.metadata</div>
<h2 title="类 RelMdCollation" class="title">类 RelMdCollation</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li>org.apache.calcite.rel.metadata.RelMdCollation</li>
</ul>
</li>
</ul>
<div class="description">
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<dl>
<dt>所有已实现的接口:</dt>
<dd><a href="../../../../../org/apache/calcite/rel/metadata/MetadataHandler.html" title="org.apache.calcite.rel.metadata中的接口">MetadataHandler</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.Collation.html" title="org.apache.calcite.rel.metadata中的接口">BuiltInMetadata.Collation</a>&gt;</dd>
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<hr>
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<pre>public class <span class="typeNameLabel">RelMdCollation</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a>
implements <a href="../../../../../org/apache/calcite/rel/metadata/MetadataHandler.html" title="org.apache.calcite.rel.metadata中的接口">MetadataHandler</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.Collation.html" title="org.apache.calcite.rel.metadata中的接口">BuiltInMetadata.Collation</a>&gt;</pre>
<div class="block">RelMdCollation supplies a default implementation of
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html#collations-org.apache.calcite.rel.RelNode-"><code>RelMetadataQuery.collations(org.apache.calcite.rel.RelNode)</code></a>
for the standard logical algebra.</div>
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<h3>字段概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="字段概要表, 列表字段和解释">
<caption><span>字段</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">字段和说明</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataProvider.html" title="org.apache.calcite.rel.metadata中的接口">RelMetadataProvider</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#SOURCE">SOURCE</a></span></code>&nbsp;</td>
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<h3>方法概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释">
<caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">方法和说明</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#calc-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rex.RexProgram-">calc</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input,
<a href="../../../../../org/apache/calcite/rex/RexProgram.html" title="org.apache.calcite.rex中的类">RexProgram</a>&nbsp;program)</code>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Calc.html" title="org.apache.calcite.rel.core中的类"><code>Calc</code></a>'s collation.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.Calc-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Calc.html" title="org.apache.calcite.rel.core中的类">Calc</a>&nbsp;calc,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.adapter.enumerable.EnumerableCorrelate-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableCorrelate.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableCorrelate</a>&nbsp;join,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.adapter.enumerable.EnumerableHashJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableHashJoin.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableHashJoin</a>&nbsp;join,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.adapter.enumerable.EnumerableMergeJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableMergeJoin.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableMergeJoin</a>&nbsp;join,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.adapter.enumerable.EnumerableNestedLoopJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableNestedLoopJoin.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableNestedLoopJoin</a>&nbsp;join,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.Filter-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="org.apache.calcite.rel.core中的类">Filter</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.plan.hep.HepRelVertex-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/plan/hep/HepRelVertex.html" title="org.apache.calcite.plan.hep中的类">HepRelVertex</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.Match-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Match.html" title="org.apache.calcite.rel.core中的类">Match</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.Project-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类">Project</a>&nbsp;project,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>
<div class="block">Catch-all implementation for
<a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.Collation.html#collations--"><code>BuiltInMetadata.Collation.collations()</code></a>,
invoked using reflection, for any relational expression not
handled by a more specific method.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.plan.volcano.RelSubset-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/plan/volcano/RelSubset.html" title="org.apache.calcite.plan.volcano中的类">RelSubset</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.SortExchange-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/SortExchange.html" title="org.apache.calcite.rel.core中的类">SortExchange</a>&nbsp;sort,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.Sort-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Sort.html" title="org.apache.calcite.rel.core中的类">Sort</a>&nbsp;sort,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.TableModify-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/TableModify.html" title="org.apache.calcite.rel.core中的类">TableModify</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.TableScan-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/TableScan.html" title="org.apache.calcite.rel.core中的类">TableScan</a>&nbsp;scan,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.Values-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Values.html" title="org.apache.calcite.rel.core中的类">Values</a>&nbsp;values,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#collations-org.apache.calcite.rel.core.Window-org.apache.calcite.rel.metadata.RelMetadataQuery-">collations</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Window.html" title="org.apache.calcite.rel.core中的类">Window</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#enumerableBatchNestedLoopJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.core.JoinRelType-">enumerableBatchNestedLoopJoin</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/rel/core/JoinRelType.html" title="org.apache.calcite.rel.core中的枚举">JoinRelType</a>&nbsp;joinType)</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#enumerableCorrelate-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.core.JoinRelType-">enumerableCorrelate</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/rel/core/JoinRelType.html" title="org.apache.calcite.rel.core中的枚举">JoinRelType</a>&nbsp;joinType)</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#enumerableHashJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.core.JoinRelType-">enumerableHashJoin</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/rel/core/JoinRelType.html" title="org.apache.calcite.rel.core中的枚举">JoinRelType</a>&nbsp;joinType)</code>
<div class="block">Returns the collation of <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableHashJoin.html" title="org.apache.calcite.adapter.enumerable中的类"><code>EnumerableHashJoin</code></a> based on its inputs and the join type.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#enumerableNestedLoopJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.core.JoinRelType-">enumerableNestedLoopJoin</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/rel/core/JoinRelType.html" title="org.apache.calcite.rel.core中的枚举">JoinRelType</a>&nbsp;joinType)</code>
<div class="block">Returns the collation of <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableNestedLoopJoin.html" title="org.apache.calcite.adapter.enumerable中的类"><code>EnumerableNestedLoopJoin</code></a>
based on its inputs and the join type.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#enumerableSemiJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">enumerableSemiJoin</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right)</code>&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#filter-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-">filter</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input)</code>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="org.apache.calcite.rel.core中的类"><code>Filter</code></a>'s collation.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/metadata/MetadataDef.html" title="org.apache.calcite.rel.metadata中的类">MetadataDef</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/BuiltInMetadata.Collation.html" title="org.apache.calcite.rel.metadata中的接口">BuiltInMetadata.Collation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#getDef--">getDef</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#limit-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-">limit</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input)</code>
<div class="block">Helper method to determine a
limit's collation.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#match-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.type.RelDataType-org.apache.calcite.rex.RexNode-boolean-boolean-java.util.Map-java.util.Map-org.apache.calcite.rex.RexNode-java.util.Map-boolean-org.apache.calcite.util.ImmutableBitSet-org.apache.calcite.rel.RelCollation-org.apache.calcite.rex.RexNode-">match</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input,
<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&nbsp;rowType,
<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&nbsp;pattern,
boolean&nbsp;strictStart,
boolean&nbsp;strictEnd,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>,<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&gt;&nbsp;patternDefinitions,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>,<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&gt;&nbsp;measures,
<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&nbsp;after,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>,? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedSet.html?is-external=true" title="java.util中的类或接口">SortedSet</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;&gt;&nbsp;subsets,
boolean&nbsp;allRows,
<a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="org.apache.calcite.util中的类">ImmutableBitSet</a>&nbsp;partitionKeys,
<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&nbsp;orderKeys,
<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&nbsp;interval)</code>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Match.html" title="org.apache.calcite.rel.core中的类"><code>Match</code></a>'s collation.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#mergeJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-org.apache.calcite.util.ImmutableIntList-org.apache.calcite.util.ImmutableIntList-">mergeJoin</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/util/ImmutableIntList.html" title="org.apache.calcite.util中的类">ImmutableIntList</a>&nbsp;leftKeys,
<a href="../../../../../org/apache/calcite/util/ImmutableIntList.html" title="org.apache.calcite.util中的类">ImmutableIntList</a>&nbsp;rightKeys)</code>
<div class="block">Helper method to determine a <a href="../../../../../org/apache/calcite/rel/core/Join.html" title="org.apache.calcite.rel.core中的类"><code>Join</code></a>'s collation assuming that it
uses a merge-join algorithm.</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#project-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-java.util.List-">project</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;? extends <a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&gt;&nbsp;projects)</code>
<div class="block">Helper method to determine a <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类"><code>Project</code></a>'s collation.</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#snapshot-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-">snapshot</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input)</code>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Snapshot.html" title="org.apache.calcite.rel.core中的类"><code>Snapshot</code></a>'s collation.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#sort-org.apache.calcite.rel.RelCollation-">sort</a></span>(<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&nbsp;collation)</code>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Sort.html" title="org.apache.calcite.rel.core中的类"><code>Sort</code></a>'s collation.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#table-org.apache.calcite.plan.RelOptTable-">table</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口">RelOptTable</a>&nbsp;table)</code>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/TableScan.html" title="org.apache.calcite.rel.core中的类"><code>TableScan</code></a>'s collation.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#values-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.type.RelDataType-com.google.common.collect.ImmutableList-">values</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&nbsp;rowType,
com.google.common.collect.ImmutableList&lt;com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rex/RexLiteral.html" title="org.apache.calcite.rex中的类">RexLiteral</a>&gt;&gt;&nbsp;tuples)</code>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Values.html" title="org.apache.calcite.rel.core中的类"><code>Values</code></a>'s collation.</div>
</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/metadata/RelMdCollation.html#window-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-com.google.common.collect.ImmutableList-">window</a></span>(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input,
com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rel/core/Window.Group.html" title="org.apache.calcite.rel.core中的类">Window.Group</a>&gt;&nbsp;groups)</code>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Window.html" title="org.apache.calcite.rel.core中的类"><code>Window</code></a>'s collation.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
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</a>
<h3>从类继承的方法&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
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<ul class="blockList">
<li class="blockList"><a name="field.detail">
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<h3>字段详细资料</h3>
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<a href="../../../../../org/apache/calcite/rel/core/Intersect.html" title="org.apache.calcite.rel.core中的类"><code>Intersect</code></a>,
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<dl>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>rel</code> - Relational expression</dd>
<dt><span class="returnLabel">返回:</span></dt>
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<dt><span class="seeLabel">另请参阅:</span></dt>
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<div class="block">Helper method to determine a
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<div class="block">Helper method to determine a
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<div class="block">Helper method to determine a
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<div class="block">Helper method to determine a
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<div class="block">Helper method to determine a
limit's collation.</div>
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<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input,
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<div class="block">Helper method to determine a
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<div class="block">Helper method to determine a <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类"><code>Project</code></a>'s collation.</div>
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<div class="block">Helper method to determine a
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<p>A Window projects the fields of its input first, followed by the output
from each of its windows. Assuming (quite reasonably) that the
implementation does not re-order its input rows, then any collations of its
input are preserved.</div>
</li>
</ul>
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<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;input,
<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&nbsp;rowType,
<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&nbsp;pattern,
boolean&nbsp;strictStart,
boolean&nbsp;strictEnd,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>,<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&gt;&nbsp;patternDefinitions,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>,<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&gt;&nbsp;measures,
<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&nbsp;after,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="java.util中的类或接口">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>,? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedSet.html?is-external=true" title="java.util中的类或接口">SortedSet</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;&gt;&nbsp;subsets,
boolean&nbsp;allRows,
<a href="../../../../../org/apache/calcite/util/ImmutableBitSet.html" title="org.apache.calcite.util中的类">ImmutableBitSet</a>&nbsp;partitionKeys,
<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&nbsp;orderKeys,
<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</a>&nbsp;interval)</pre>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Match.html" title="org.apache.calcite.rel.core中的类"><code>Match</code></a>'s collation.</div>
</li>
</ul>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;&nbsp;values(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&nbsp;rowType,
com.google.common.collect.ImmutableList&lt;com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/rex/RexLiteral.html" title="org.apache.calcite.rex中的类">RexLiteral</a>&gt;&gt;&nbsp;tuples)</pre>
<div class="block">Helper method to determine a
<a href="../../../../../org/apache/calcite/rel/core/Values.html" title="org.apache.calcite.rel.core中的类"><code>Values</code></a>'s collation.
<p>We actually under-report the collations. A Values with 0 or 1 rows - an
edge case, but legitimate and very common - is ordered by every permutation
of every subset of the columns.
<p>So, our algorithm aims to:<ul>
<li>produce at most N collations (where N is the number of columns);
<li>make each collation as long as possible;
<li>do not repeat combinations already emitted -
if we've emitted <code>(a, b)</code> do not later emit <code>(b, a)</code>;
<li>probe the actual values and make sure that each collation is
consistent with the data
</ul>
<p>So, for an empty Values with 4 columns, we would emit
<code>(a, b, c, d), (b, c, d), (c, d), (d)</code>.</div>
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</ul>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;&nbsp;mergeJoin(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/util/ImmutableIntList.html" title="org.apache.calcite.util中的类">ImmutableIntList</a>&nbsp;leftKeys,
<a href="../../../../../org/apache/calcite/util/ImmutableIntList.html" title="org.apache.calcite.util中的类">ImmutableIntList</a>&nbsp;rightKeys)</pre>
<div class="block">Helper method to determine a <a href="../../../../../org/apache/calcite/rel/core/Join.html" title="org.apache.calcite.rel.core中的类"><code>Join</code></a>'s collation assuming that it
uses a merge-join algorithm.
<p>If the inputs are sorted on other keys <em>in addition to</em> the join
key, the result preserves those collations too.</div>
</li>
</ul>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;&nbsp;enumerableHashJoin(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/rel/core/JoinRelType.html" title="org.apache.calcite.rel.core中的枚举">JoinRelType</a>&nbsp;joinType)</pre>
<div class="block">Returns the collation of <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableHashJoin.html" title="org.apache.calcite.adapter.enumerable中的类"><code>EnumerableHashJoin</code></a> based on its inputs and the join type.</div>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;&nbsp;enumerableNestedLoopJoin(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/rel/core/JoinRelType.html" title="org.apache.calcite.rel.core中的枚举">JoinRelType</a>&nbsp;joinType)</pre>
<div class="block">Returns the collation of <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableNestedLoopJoin.html" title="org.apache.calcite.adapter.enumerable中的类"><code>EnumerableNestedLoopJoin</code></a>
based on its inputs and the join type.</div>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;&nbsp;enumerableCorrelate(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/rel/core/JoinRelType.html" title="org.apache.calcite.rel.core中的枚举">JoinRelType</a>&nbsp;joinType)</pre>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;&nbsp;enumerableSemiJoin(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right)</pre>
</li>
</ul>
<a name="enumerableBatchNestedLoopJoin-org.apache.calcite.rel.metadata.RelMetadataQuery-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.core.JoinRelType-">
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>&gt;&nbsp;enumerableBatchNestedLoopJoin(<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;mq,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;left,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;right,
<a href="../../../../../org/apache/calcite/rel/core/JoinRelType.html" title="org.apache.calcite.rel.core中的枚举">JoinRelType</a>&nbsp;joinType)</pre>
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