apidocs/javadocAggregate/org/apache/calcite/plan/RelOptRuleCall.html - calcite-site - Git at Google

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 <div class="subTitle">org.apache.calcite.plan</div>
 <h2 title="类 RelOptRuleCall" class="title">类 RelOptRuleCall</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.plan.RelOptRuleCall</li>
 </ul>
 </li>
 </ul>
 <div class="description">
 <ul class="blockList">
 <li class="blockList">
 <dl>
 <dt>直接已知子类:</dt>
 <dd><a href="../../../../org/apache/calcite/plan/hep/HepRuleCall.html" title="org.apache.calcite.plan.hep中的类">HepRuleCall</a>, <a href="../../../../org/apache/calcite/plan/volcano/VolcanoRuleCall.html" title="org.apache.calcite.plan.volcano中的类">VolcanoRuleCall</a></dd>
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 <hr>
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 <pre>public abstract class <span class="typeNameLabel">RelOptRuleCall</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></pre>
 <div class="block">A <code>RelOptRuleCall</code> is an invocation of a <a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类"><code>RelOptRule</code></a> with a
  set of <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>relational expression</code></a>s as arguments.</div>
 </li>
 </ul>
 </div>
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 <ul class="blockList">
 <li class="blockList">
 <!-- =========== FIELD SUMMARY =========== -->
 <ul class="blockList">
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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>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#id">id</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected static org.slf4j.Logger</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#LOGGER">LOGGER</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#nodeInputs">nodeInputs</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#operand0">operand0</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><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/plan/RelOptRuleCall.html#rels">rels</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#rule">rule</a></span></code>&nbsp;</td>
 </tr>
 </table>
 </li>
 </ul>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <ul class="blockList">
 <li class="blockList"><a name="constructor.summary">
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 </a>
 <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="colFirst" scope="col">限定符</th>
 <th class="colLast" scope="col">构造器和说明</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected </code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#RelOptRuleCall-org.apache.calcite.plan.RelOptPlanner-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.rel.RelNode:A-java.util.Map-">RelOptRuleCall</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a>&nbsp;planner,
               <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/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>[]&nbsp;rels,
               <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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&gt;&nbsp;nodeInputs)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected </code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#RelOptRuleCall-org.apache.calcite.plan.RelOptPlanner-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.rel.RelNode:A-java.util.Map-java.util.List-">RelOptRuleCall</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a>&nbsp;planner,
               <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/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>[]&nbsp;rels,
               <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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&gt;&nbsp;nodeInputs,
               <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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;parents)</code>
 <div class="block">Creates a RelOptRuleCall.</div>
 </td>
 </tr>
 </table>
 </li>
 </ul>
 <!-- ========== METHOD SUMMARY =========== -->
 <ul class="blockList">
 <li class="blockList"><a name="method.summary">
 <!--   -->
 </a>
 <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><span id="t6" class="tableTab"><span><a href="javascript:show(32);">已过时的方法</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><a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="org.apache.calcite.tools中的类">RelBuilder</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#builder--">builder</a></span>()</code>
 <div class="block">Creates a <a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="org.apache.calcite.tools中的类"><code>RelBuilder</code></a> to be used by
  code within the call.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code><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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getChildRels-org.apache.calcite.rel.RelNode-">getChildRels</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">Returns the children of a given relational expression node matched in a
  rule.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getMetadataQuery--">getMetadataQuery</a></span>()</code>
 <div class="block">Returns the current RelMetadataQuery
  to be used for instance by
  <a href="../../../../org/apache/calcite/plan/RelOptRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-"><code>RelOptRule.onMatch(RelOptRuleCall)</code></a>.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getOperand0--">getOperand0</a></span>()</code>
 <div class="block">Returns the root operand matched by this rule.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code><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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getParents--">getParents</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getPlanner--">getPlanner</a></span>()</code>
 <div class="block">Returns the planner.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code><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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getRelList--">getRelList</a></span>()</code>
 <div class="block">Returns a list of matched relational expressions.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code><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/plan/RelOptRuleCall.html#getRels--">getRels</a></span>()</code>
 <div class="block"><span class="deprecatedLabel">已过时。</span>&nbsp;
 <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getRelList--"><code>getRelList()</code></a> or <a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#rel-int-"><code>rel(int)</code></a></span></div>
 </div>
 </td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getRule--">getRule</a></span>()</code>
 <div class="block">Returns the invoked planner rule.</div>
 </td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#isRuleExcluded--">isRuleExcluded</a></span>()</code>
 <div class="block">Determines whether the rule is excluded by any root node hint.</div>
 </td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>&lt;T extends <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;<br>T</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#rel-int-">rel</a></span>(int&nbsp;ordinal)</code>
 <div class="block">Retrieves the <code>ordinal</code>th matched relational expression.</div>
 </td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#setChildRels-org.apache.calcite.rel.RelNode-java.util.List-">setChildRels</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="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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;inputs)</code>
 <div class="block">Assigns the input relational expressions of a given relational expression,
  as seen by this particular call.</div>
 </td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#transformTo-org.apache.calcite.rel.RelNode-">transformTo</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">Registers that a rule has produced an equivalent relational expression,
  but no other equivalences.</div>
 </td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#transformTo-org.apache.calcite.rel.RelNode-java.util.Map-">transformTo</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="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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;equiv)</code>
 <div class="block">Registers that a rule has produced an equivalent relational expression,
  with specified equivalences.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#transformTo-org.apache.calcite.rel.RelNode-java.util.Map-org.apache.calcite.plan.RelHintsPropagator-">transformTo</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="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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;equiv,
            <a href="../../../../org/apache/calcite/plan/RelHintsPropagator.html" title="org.apache.calcite.plan中的接口">RelHintsPropagator</a>&nbsp;handler)</code>
 <div class="block">Registers that a rule has produced an equivalent relational expression.</div>
 </td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#transformTo-org.apache.calcite.rel.RelNode-org.apache.calcite.plan.RelHintsPropagator-">transformTo</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/plan/RelHintsPropagator.html" title="org.apache.calcite.plan中的接口">RelHintsPropagator</a>&nbsp;handler)</code>
 <div class="block">Registers that a rule has produced an equivalent relational expression,
  but no other equivalences.</div>
 </td>
 </tr>
 </table>
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 <pre>protected final&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand0</pre>
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 <pre>public final&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a> rule</pre>
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 <pre>public final&nbsp;<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>[] rels</pre>
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 <pre>protected&nbsp;RelOptRuleCall(<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a>&nbsp;planner,
                          <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/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>[]&nbsp;rels,
                          <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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&gt;&nbsp;nodeInputs,
                          <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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;parents)</pre>
 <div class="block">Creates a RelOptRuleCall.</div>
 <dl>
 <dt><span class="paramLabel">参数:</span></dt>
 <dd><code>planner</code> - Planner</dd>
 <dd><code>operand</code> - Root operand</dd>
 <dd><code>rels</code> - Array of relational expressions which matched each
                      operand</dd>
 <dd><code>nodeInputs</code> - For each node which matched with
                      <code>matchAnyChildren</code>=true, a list of the node's
                      inputs</dd>
 <dd><code>parents</code> - list of parent RelNodes corresponding to the first
                      relational expression in the array argument, if known;
                      otherwise, null</dd>
 </dl>
 </li>
 </ul>
 <a name="RelOptRuleCall-org.apache.calcite.plan.RelOptPlanner-org.apache.calcite.plan.RelOptRuleOperand-org.apache.calcite.rel.RelNode:A-java.util.Map-">
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 <pre>protected&nbsp;RelOptRuleCall(<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a>&nbsp;planner,
                          <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/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>[]&nbsp;rels,
                          <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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&gt;&nbsp;nodeInputs)</pre>
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 <pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a>&nbsp;getOperand0()</pre>
 <div class="block">Returns the root operand matched by this rule.</div>
 <dl>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>root operand</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a>&nbsp;getRule()</pre>
 <div class="block">Returns the invoked planner rule.</div>
 <dl>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>planner rule</dd>
 </dl>
 </li>
 </ul>
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 <h4>getRels</h4>
 <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;<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>[]&nbsp;getRels()</pre>
 <div class="block"><span class="deprecatedLabel">已过时。</span>&nbsp;<span class="deprecationComment">Use <a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getRelList--"><code>getRelList()</code></a> or <a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#rel-int-"><code>rel(int)</code></a></span></div>
 <div class="block">Returns a list of matched relational expressions.</div>
 <dl>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>matched relational expressions</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;getRelList()</pre>
 <div class="block">Returns a list of matched relational expressions.</div>
 <dl>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>matched relational expressions</dd>
 <dt><span class="seeLabel">另请参阅:</span></dt>
 <dd><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#rel-int-"><code>rel(int)</code></a></dd>
 </dl>
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 <h4>rel</h4>
 <pre>public&nbsp;&lt;T extends <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;T&nbsp;rel(int&nbsp;ordinal)</pre>
 <div class="block">Retrieves the <code>ordinal</code>th matched relational expression. This
  corresponds to the <code>ordinal</code>th operand of the rule.</div>
 <dl>
 <dt><span class="paramLabel">类型参数:</span></dt>
 <dd><code>T</code> - Type</dd>
 <dt><span class="paramLabel">参数:</span></dt>
 <dd><code>ordinal</code> - Ordinal</dd>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>Relational expression</dd>
 </dl>
 </li>
 </ul>
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 <h4>getChildRels</h4>
 <pre>public&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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;getChildRels(<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">Returns the children of a given relational expression node matched in a
  rule.

  <p>If the policy of the operand which caused the match is not
  <a href="../../../../org/apache/calcite/plan/RelOptRuleOperandChildPolicy.html#ANY"><code>RelOptRuleOperandChildPolicy.ANY</code></a>,
  the children will have their
  own operands and therefore be easily available in the array returned by
  the <a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html#getRelList--"><code>getRelList()</code></a> method, so this method returns null.

  <p>This method is for
  <a href="../../../../org/apache/calcite/plan/RelOptRuleOperandChildPolicy.html#ANY"><code>RelOptRuleOperandChildPolicy.ANY</code></a>,
  which is generally used when a node can have a variable number of
  children, and hence where the matched children are not retrievable by any
  other means.

  <p>Warning: it produces wrong result for <code>unordered(...)</code> case.</div>
 <dl>
 <dt><span class="paramLabel">参数:</span></dt>
 <dd><code>rel</code> - Relational expression</dd>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>Children of relational expression</dd>
 </dl>
 </li>
 </ul>
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 <pre>protected&nbsp;void&nbsp;setChildRels(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
                             <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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;inputs)</pre>
 <div class="block">Assigns the input relational expressions of a given relational expression,
  as seen by this particular call. Is only called when the operand is
  <a href="../../../../org/apache/calcite/plan/RelOptRule.html#any--"><code>RelOptRule.any()</code></a>.</div>
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 <pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a>&nbsp;getPlanner()</pre>
 <div class="block">Returns the planner.</div>
 <dl>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>planner</dd>
 </dl>
 </li>
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 <pre>public&nbsp;boolean&nbsp;isRuleExcluded()</pre>
 <div class="block">Determines whether the rule is excluded by any root node hint.</div>
 <dl>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>true iff rule should be excluded</dd>
 </dl>
 </li>
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 <pre>public&nbsp;<a href="../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="org.apache.calcite.rel.metadata中的类">RelMetadataQuery</a>&nbsp;getMetadataQuery()</pre>
 <div class="block">Returns the current RelMetadataQuery
  to be used for instance by
  <a href="../../../../org/apache/calcite/plan/RelOptRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-"><code>RelOptRule.onMatch(RelOptRuleCall)</code></a>.</div>
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 <pre>public&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/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;getParents()</pre>
 <dl>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>list of parents of the first relational expression</dd>
 </dl>
 </li>
 </ul>
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 <pre>public abstract&nbsp;void&nbsp;transformTo(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
                                  <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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;equiv,
                                  <a href="../../../../org/apache/calcite/plan/RelHintsPropagator.html" title="org.apache.calcite.plan中的接口">RelHintsPropagator</a>&nbsp;handler)</pre>
 <div class="block">Registers that a rule has produced an equivalent relational expression.

  <p>Called by the rule whenever it finds a match. The implementation of
  this method guarantees that the original relational expression (that is,
  <code>this.rels[0]</code>) has its traits propagated to the new
  relational expression (<code>rel</code>) and its unregistered children.
  Any trait not specifically set in the RelTraitSet returned by <code>
  rel.getTraits()</code> will be copied from <code>
  this.rels[0].getTraitSet()</code>.

  <p>The hints of the root relational expression of
  the rule call(<code>this.rels[0]</code>)
  are copied to the new relational expression(<code>rel</code>)
  with specified handler <code>handler</code>.</div>
 <dl>
 <dt><span class="paramLabel">参数:</span></dt>
 <dd><code>rel</code> - Relational expression equivalent to the root relational
                 expression of the rule call, <code>call.rels(0)</code></dd>
 <dd><code>equiv</code> - Map of other equivalences</dd>
 <dd><code>handler</code> - Handler to customize the relational expression that registers
                 into the planner, the first parameter is the root relational expression
                 and the second parameter is the new relational expression</dd>
 </dl>
 </li>
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 <pre>public&nbsp;void&nbsp;transformTo(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
                         <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="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&gt;&nbsp;equiv)</pre>
 <div class="block">Registers that a rule has produced an equivalent relational expression,
  with specified equivalences.

  <p>The hints are copied with filter strategies from
  the root relational expression of the rule call(<code>this.rels[0]</code>)
  to the new relational expression(<code>rel</code>).</div>
 <dl>
 <dt><span class="paramLabel">参数:</span></dt>
 <dd><code>rel</code> - Relational expression equivalent to the root relational
               expression of the rule call, <code>call.rels(0)</code></dd>
 <dd><code>equiv</code> - Map of other equivalences</dd>
 </dl>
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 <pre>public final&nbsp;void&nbsp;transformTo(<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">Registers that a rule has produced an equivalent relational expression,
  but no other equivalences.

  <p>The hints are copied with filter strategies from
  the root relational expression of the rule call(<code>this.rels[0]</code>)
  to the new relational expression(<code>rel</code>).</div>
 <dl>
 <dt><span class="paramLabel">参数:</span></dt>
 <dd><code>rel</code> - Relational expression equivalent to the root relational
             expression of the rule call, <code>call.rels(0)</code></dd>
 </dl>
 </li>
 </ul>
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 <pre>public final&nbsp;void&nbsp;transformTo(<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/plan/RelHintsPropagator.html" title="org.apache.calcite.plan中的接口">RelHintsPropagator</a>&nbsp;handler)</pre>
 <div class="block">Registers that a rule has produced an equivalent relational expression,
  but no other equivalences.

  <p>The hints of the root relational expression of
  the rule call(<code>this.rels[0]</code>)
  are copied to the new relational expression(<code>rel</code>)
  with specified handler <code>handler</code>.</div>
 <dl>
 <dt><span class="paramLabel">参数:</span></dt>
 <dd><code>rel</code> - Relational expression equivalent to the root relational
                 expression of the rule call, <code>call.rels(0)</code></dd>
 <dd><code>handler</code> - Handler to customize the relational expression that registers
                 into the planner, the first parameter is the root relational expression
                 and the second parameter is the new relational expression</dd>
 </dl>
 </li>
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 <h4>builder</h4>
 <pre>public&nbsp;<a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="org.apache.calcite.tools中的类">RelBuilder</a>&nbsp;builder()</pre>
 <div class="block">Creates a <a href="../../../../org/apache/calcite/tools/RelBuilder.html" title="org.apache.calcite.tools中的类"><code>RelBuilder</code></a> to be used by
  code within the call. The <a href="../../../../org/apache/calcite/plan/RelOptRule.html#relBuilderFactory"><code>RelOptRule.relBuilderFactory</code></a> argument contains policies
  such as what implementation of <a href="../../../../org/apache/calcite/rel/core/Filter.html" title="org.apache.calcite.rel.core中的类"><code>Filter</code></a> to create.</div>
 </li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
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