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<div class="subTitle">org.apache.calcite.rel.rules</div>
<h2 title="类 AggregateFilterTransposeRule" class="title">类 AggregateFilterTransposeRule</h2>
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<li>
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<li><a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">org.apache.calcite.plan.RelOptRule</a></li>
<li>
<ul class="inheritance">
<li>org.apache.calcite.rel.rules.AggregateFilterTransposeRule</li>
</ul>
</li>
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<div class="description">
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<dl>
<dt>直接已知子类:</dt>
<dd><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidAggregateFilterTransposeRule.html" title="org.apache.calcite.adapter.druid中的类">DruidRules.DruidAggregateFilterTransposeRule</a></dd>
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<pre>public class <span class="typeNameLabel">AggregateFilterTransposeRule</span>
extends <a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></pre>
<div class="block">Planner rule that matches an <a href="../../../../../org/apache/calcite/rel/core/Aggregate.html" title="org.apache.calcite.rel.core中的类"><code>Aggregate</code></a>
on a <a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="org.apache.calcite.rel.core中的类"><code>Filter</code></a> and transposes them,
pushing the aggregate below the filter.
<p>In some cases, it is necessary to split the aggregate.
<p>This rule does not directly improve performance. The aggregate will
have to process more rows, to produce aggregated rows that will be thrown
away. The rule might be beneficial if the predicate is very expensive to
evaluate. The main use of the rule is to match a query that has a filter
under an aggregate to an existing aggregate table.</div>
<dl>
<dt><span class="seeLabel">另请参阅:</span></dt>
<dd><a href="../../../../../org/apache/calcite/rel/rules/FilterAggregateTransposeRule.html" title="org.apache.calcite.rel.rules中的类"><code>FilterAggregateTransposeRule</code></a></dd>
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<h3>字段概要</h3>
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<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/rules/AggregateFilterTransposeRule.html" title="org.apache.calcite.rel.rules中的类">AggregateFilterTransposeRule</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/AggregateFilterTransposeRule.html#INSTANCE">INSTANCE</a></span></code>&nbsp;</td>
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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>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/AggregateFilterTransposeRule.html#AggregateFilterTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.tools.RelBuilderFactory-">AggregateFilterTransposeRule</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a>&nbsp;operand,
<a href="../../../../../org/apache/calcite/tools/RelBuilderFactory.html" title="org.apache.calcite.tools中的接口">RelBuilderFactory</a>&nbsp;relBuilderFactory)</code>
<div class="block">Creates an AggregateFilterTransposeRule.</div>
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<h3>方法概要</h3>
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<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="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>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/AggregateFilterTransposeRule.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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<h3>从类继承的方法&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#any--">any</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#convert-org.apache.calcite.rel.RelNode-org.apache.calcite.plan.RelTrait-">convert</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#convert-org.apache.calcite.rel.RelNode-org.apache.calcite.plan.RelTraitSet-">convert</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#convertList-java.util.List-org.apache.calcite.plan.RelTrait-">convertList</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#convertOperand-java.lang.Class-java.util.function.Predicate-org.apache.calcite.plan.RelTrait-">convertOperand</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#convertOperand-java.lang.Class-com.google.common.base.Predicate-org.apache.calcite.plan.RelTrait-">convertOperand</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#equals-java.lang.Object-">equals</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#equals-org.apache.calcite.plan.RelOptRule-">equals</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#getOperand--">getOperand</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#getOperands--">getOperands</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#getOutConvention--">getOutConvention</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#getOutTrait--">getOutTrait</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#hashCode--">hashCode</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#matches-org.apache.calcite.plan.RelOptRuleCall-">matches</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#none--">none</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operand-java.lang.Class-org.apache.calcite.plan.RelOptRuleOperandChildren-">operand</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operand-java.lang.Class-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.plan.RelOptRuleOperand...-">operand</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operand-java.lang.Class-org.apache.calcite.plan.RelTrait-com.google.common.base.Predicate-org.apache.calcite.plan.RelOptRuleOperandChildren-">operand</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operand-java.lang.Class-org.apache.calcite.plan.RelTrait-com.google.common.base.Predicate-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.plan.RelOptRuleOperand...-">operand</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operand-java.lang.Class-org.apache.calcite.plan.RelTrait-org.apache.calcite.plan.RelOptRuleOperandChildren-">operand</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operandJ-java.lang.Class-org.apache.calcite.plan.RelTrait-java.util.function.Predicate-org.apache.calcite.plan.RelOptRuleOperandChildren-">operandJ</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operandJ-java.lang.Class-org.apache.calcite.plan.RelTrait-java.util.function.Predicate-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.plan.RelOptRuleOperand...-">operandJ</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#some-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.plan.RelOptRuleOperand...-">some</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#toString--">toString</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#unordered-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.plan.RelOptRuleOperand...-">unordered</a></code></li>
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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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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/rel/rules/AggregateFilterTransposeRule.html" title="org.apache.calcite.rel.rules中的类">AggregateFilterTransposeRule</a> INSTANCE</pre>
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<h4>AggregateFilterTransposeRule</h4>
<pre>public&nbsp;AggregateFilterTransposeRule(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a>&nbsp;operand,
<a href="../../../../../org/apache/calcite/tools/RelBuilderFactory.html" title="org.apache.calcite.tools中的接口">RelBuilderFactory</a>&nbsp;relBuilderFactory)</pre>
<div class="block">Creates an AggregateFilterTransposeRule.</div>
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<h3>方法详细资料</h3>
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<h4>onMatch</h4>
<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>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-">RelOptRule</a></code></span></div>
<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
register the expression.</p></div>
<dl>
<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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