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<div class="subTitle">org.apache.calcite.rel.convert</div>
<h2 title="类 ConverterRule" class="title">类 ConverterRule</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>
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<ul class="inheritance">
<li><a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">org.apache.calcite.plan.RelOptRule</a></li>
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<li>org.apache.calcite.rel.convert.ConverterRule</li>
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<dl>
<dt>直接已知子类:</dt>
<dd><a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableAggregateRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableAggregateRule</a>, <a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableFilterRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableFilterRule</a>, <a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableJoinRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableJoinRule</a>, <a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableMatchRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableMatchRule</a>, <a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableProjectRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableProjectRule</a>, <a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableSortRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableSortRule</a>, <a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableUnionRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableUnionRule</a>, <a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableValuesRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableValuesRule</a>, <a href="../../../../../org/apache/calcite/interpreter/Bindables.BindableWindowRule.html" title="org.apache.calcite.interpreter中的类">Bindables.BindableWindowRule</a>, <a href="../../../../../org/apache/calcite/adapter/cassandra/CassandraToEnumerableConverterRule.html" title="org.apache.calcite.adapter.cassandra中的类">CassandraToEnumerableConverterRule</a>, <a href="../../../../../org/apache/calcite/adapter/elasticsearch/ElasticsearchToEnumerableConverterRule.html" title="org.apache.calcite.adapter.elasticsearch中的类">ElasticsearchToEnumerableConverterRule</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableBindable.EnumerableToBindableConverterRule.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableBindable.EnumerableToBindableConverterRule</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableCorrelateRule.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableCorrelateRule</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableInterpreterRule.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableInterpreterRule</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableMatchRule.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableMatchRule</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/EnumerableRepeatUnionRule.html" title="org.apache.calcite.adapter.enumerable中的类">EnumerableRepeatUnionRule</a>, <a 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<pre>public abstract class <span class="typeNameLabel">ConverterRule</span>
extends <a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></pre>
<div class="block">Abstract base class for a rule which converts from one calling convention to
another without changing semantics.</div>
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<h3>从类继承的字段&nbsp;org.apache.calcite.plan.<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></h3>
<code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#description">description</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operands">operands</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#relBuilderFactory">relBuilderFactory</a></code></li>
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<h3>构造器概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="构造器概要表, 列表构造器和解释">
<caption><span>构造器</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">构造器和说明</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#ConverterRule-java.lang.Class-org.apache.calcite.plan.RelTrait-org.apache.calcite.plan.RelTrait-java.lang.String-">ConverterRule</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a>&lt;? extends <a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;clazz,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;in,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;out,
<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>&nbsp;descriptionPrefix)</code>
<div class="block">Creates a <code>ConverterRule</code>.</div>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#ConverterRule-java.lang.Class-java.util.function.Predicate-org.apache.calcite.plan.RelTrait-org.apache.calcite.plan.RelTrait-org.apache.calcite.tools.RelBuilderFactory-java.lang.String-">ConverterRule</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a>&lt;R&gt;&nbsp;clazz,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="java.util.function中的类或接口">Predicate</a>&lt;? super R&gt;&nbsp;predicate,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;in,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;out,
<a href="../../../../../org/apache/calcite/tools/RelBuilderFactory.html" title="org.apache.calcite.tools中的接口">RelBuilderFactory</a>&nbsp;relBuilderFactory,
<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>&nbsp;descriptionPrefix)</code>
<div class="block">Creates a <code>ConverterRule</code> with a predicate.</div>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#ConverterRule-java.lang.Class-com.google.common.base.Predicate-org.apache.calcite.plan.RelTrait-org.apache.calcite.plan.RelTrait-org.apache.calcite.tools.RelBuilderFactory-java.lang.String-">ConverterRule</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a>&lt;R&gt;&nbsp;clazz,
com.google.common.base.Predicate&lt;? super R&gt;&nbsp;predicate,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;in,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;out,
<a href="../../../../../org/apache/calcite/tools/RelBuilderFactory.html" title="org.apache.calcite.tools中的接口">RelBuilderFactory</a>&nbsp;relBuilderFactory,
<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>&nbsp;description)</code>
<div class="block"><span class="deprecatedLabel">已过时。</span>&nbsp;</div>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#ConverterRule-java.lang.Class-com.google.common.base.Predicate-org.apache.calcite.plan.RelTrait-org.apache.calcite.plan.RelTrait-java.lang.String-">ConverterRule</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a>&lt;R&gt;&nbsp;clazz,
com.google.common.base.Predicate&lt;? super R&gt;&nbsp;predicate,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;in,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;out,
<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>&nbsp;descriptionPrefix)</code>
<div class="block"><span class="deprecatedLabel">已过时。</span>&nbsp;</div>
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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="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">抽象方法</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>
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<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">方法和说明</th>
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<td class="colFirst"><code>abstract <a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#convert-org.apache.calcite.rel.RelNode-">convert</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel)</code>
<div class="block">Converts a relational expression to the target trait(s) of this rule.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#getInTrait--">getInTrait</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/calcite/plan/Convention.html" title="org.apache.calcite.plan中的接口">Convention</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#getOutConvention--">getOutConvention</a></span>()</code>
<div class="block">Returns the convention of the result of firing this rule, null if
not known.</div>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#getOutTrait--">getOutTrait</a></span>()</code>
<div class="block">Returns the trait which will be modified as a result of firing this rule,
or null if the rule is not a converter rule.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/calcite/plan/RelTraitDef.html" title="org.apache.calcite.plan中的类">RelTraitDef</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#getTraitDef--">getTraitDef</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#isGuaranteed--">isGuaranteed</a></span>()</code>
<div class="block">Returns true if this rule can convert <em>any</em> relational expression
of the input convention.</div>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/convert/ConverterRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-">onMatch</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a>&nbsp;call)</code>
<div class="block">Receives notification about a rule match.</div>
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<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#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#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#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>
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<h4>ConverterRule</h4>
<pre>public&nbsp;ConverterRule(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a>&lt;? extends <a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;clazz,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;in,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;out,
<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>&nbsp;descriptionPrefix)</pre>
<div class="block">Creates a <code>ConverterRule</code>.</div>
<dl>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>clazz</code> - Type of relational expression to consider converting</dd>
<dd><code>in</code> - Trait of relational expression to consider converting</dd>
<dd><code>out</code> - Trait which is converted to</dd>
<dd><code>descriptionPrefix</code> - Description prefix of rule</dd>
</dl>
</li>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a>
public&nbsp;ConverterRule(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a>&lt;R&gt;&nbsp;clazz,
com.google.common.base.Predicate&lt;? super R&gt;&nbsp;predicate,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;in,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;out,
<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>&nbsp;descriptionPrefix)</pre>
<div class="block"><span class="deprecatedLabel">已过时。</span>&nbsp;</div>
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<pre>public&nbsp;ConverterRule(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a>&lt;R&gt;&nbsp;clazz,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="java.util.function中的类或接口">Predicate</a>&lt;? super R&gt;&nbsp;predicate,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;in,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;out,
<a href="../../../../../org/apache/calcite/tools/RelBuilderFactory.html" title="org.apache.calcite.tools中的接口">RelBuilderFactory</a>&nbsp;relBuilderFactory,
<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>&nbsp;descriptionPrefix)</pre>
<div class="block">Creates a <code>ConverterRule</code> with a predicate.</div>
<dl>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>clazz</code> - Type of relational expression to consider converting</dd>
<dd><code>predicate</code> - Predicate on the relational expression</dd>
<dd><code>in</code> - Trait of relational expression to consider converting</dd>
<dd><code>out</code> - Trait which is converted to</dd>
<dd><code>relBuilderFactory</code> - Builder for relational expressions</dd>
<dd><code>descriptionPrefix</code> - Description prefix of rule</dd>
</dl>
</li>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a>
public&nbsp;ConverterRule(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a>&lt;R&gt;&nbsp;clazz,
com.google.common.base.Predicate&lt;? super R&gt;&nbsp;predicate,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;in,
<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;out,
<a href="../../../../../org/apache/calcite/tools/RelBuilderFactory.html" title="org.apache.calcite.tools中的接口">RelBuilderFactory</a>&nbsp;relBuilderFactory,
<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>&nbsp;description)</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/calcite/plan/Convention.html" title="org.apache.calcite.plan中的接口">Convention</a>&nbsp;getOutConvention()</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#getOutConvention--">RelOptRule</a></code></span></div>
<div class="block">Returns the convention of the result of firing this rule, null if
not known.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#getOutConvention--">getOutConvention</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></code></dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>Convention of the result of firing this rule, null if
not known</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;getOutTrait()</pre>
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<div class="block">Returns the trait which will be modified as a result of firing this rule,
or null if the rule is not a converter rule.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#getOutTrait--">getOutTrait</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></code></dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>Trait which will be modified as a result of firing this rule,
or null if the rule is not a converter rule</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>&nbsp;getInTrait()</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/calcite/plan/RelTraitDef.html" title="org.apache.calcite.plan中的类">RelTraitDef</a>&nbsp;getTraitDef()</pre>
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<h4>convert</h4>
<pre>public abstract&nbsp;<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;convert(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel)</pre>
<div class="block">Converts a relational expression to the target trait(s) of this rule.
<p>Returns null if conversion is not possible.</div>
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<pre>public&nbsp;boolean&nbsp;isGuaranteed()</pre>
<div class="block">Returns true if this rule can convert <em>any</em> relational expression
of the input convention.
<p>The union-to-java converter, for example, is not guaranteed, because
it only works on unions.</p></div>
<dl>
<dt><span class="returnLabel">返回:</span></dt>
<dd><code>true</code> if this rule can convert <em>any</em> relational
expression</dd>
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<pre>public&nbsp;void&nbsp;onMatch(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a>&nbsp;call)</pre>
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<div class="block">Receives notification about a rule match. At the time that this method is
called, <a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html#rels"><code>call.rels</code></a> holds the set of relational
expressions which match the operands to the rule; <code>
call.rels[0]</code> is the root expression.
<p>Typically a rule would check that the nodes are valid matches, creates
a new expression, then calls back <a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html#transformTo-org.apache.calcite.rel.RelNode-java.util.Map-org.apache.calcite.plan.RelHintsPropagator-"><code>RelOptRuleCall.transformTo(org.apache.calcite.rel.RelNode, java.util.Map&lt;org.apache.calcite.rel.RelNode, org.apache.calcite.rel.RelNode&gt;, org.apache.calcite.plan.RelHintsPropagator)</code></a> to
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<dt><span class="overrideSpecifyLabel">指定者:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-">onMatch</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>call</code> - Rule call</dd>
<dt><span class="seeLabel">另请参阅:</span></dt>
<dd><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#matches-org.apache.calcite.plan.RelOptRuleCall-"><code>RelOptRule.matches(RelOptRuleCall)</code></a></dd>
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