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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.rel.rules</a></div> |
| <h1 title="Class UnionEliminatorRule" class="title">Class UnionEliminatorRule</h1> |
| </div> |
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| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a> |
| <div class="inheritance"><a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">org.apache.calcite.plan.RelOptRule</a> |
| <div class="inheritance"><a href="../../plan/RelRule.html" title="class in org.apache.calcite.plan">org.apache.calcite.plan.RelRule</a><<a href="UnionEliminatorRule.Config.html" title="interface in org.apache.calcite.rel.rules">UnionEliminatorRule.Config</a>> |
| <div class="inheritance">org.apache.calcite.rel.rules.UnionEliminatorRule</div> |
| </div> |
| </div> |
| </div> |
| <section class="description"> |
| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="SubstitutionRule.html" title="interface in org.apache.calcite.rel.rules">SubstitutionRule</a></code>, <code><a href="TransformationRule.html" title="interface in org.apache.calcite.rel.rules">TransformationRule</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">UnionEliminatorRule</span> |
| extends <a href="../../plan/RelRule.html" title="class in org.apache.calcite.plan">RelRule</a><<a href="UnionEliminatorRule.Config.html" title="interface in org.apache.calcite.rel.rules">UnionEliminatorRule.Config</a>> |
| implements <a href="SubstitutionRule.html" title="interface in org.apache.calcite.rel.rules">SubstitutionRule</a></pre> |
| <div class="block"><code>UnionEliminatorRule</code> checks to see if its possible to optimize a |
| Union call by eliminating the Union operator altogether in the case the call |
| consists of only one input.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="CoreRules.html#UNION_REMOVE"><code>CoreRules.UNION_REMOVE</code></a></dd> |
| </dl> |
| </section> |
| <section class="summary"> |
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| <div class="memberSummary"> |
| <table> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="UnionEliminatorRule.Config.html" title="interface in org.apache.calcite.rel.rules">UnionEliminatorRule.Config</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Rule configuration.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <div class="inheritedList"> |
| <h2>Nested classes/interfaces inherited from class org.apache.calcite.plan.<a href="../../plan/RelRule.html" title="class in org.apache.calcite.plan">RelRule</a></h2> |
| <a id="nested.classes.inherited.from.class.org.apache.calcite.plan.RelRule"> |
| <!-- --> |
| </a><code><a href="../../plan/RelRule.Done.html" title="interface in org.apache.calcite.plan">RelRule.Done</a>, <a href="../../plan/RelRule.MatchHandler.html" title="interface in org.apache.calcite.plan">RelRule.MatchHandler</a><<a href="../../plan/RelRule.MatchHandler.html" title="type parameter in RelRule.MatchHandler">R</a> extends <a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>>, <a href="../../plan/RelRule.OperandBuilder.html" title="interface in org.apache.calcite.plan">RelRule.OperandBuilder</a>, <a href="../../plan/RelRule.OperandDetailBuilder.html" title="interface in org.apache.calcite.plan">RelRule.OperandDetailBuilder</a><<a href="../../plan/RelRule.OperandDetailBuilder.html" title="type parameter in RelRule.OperandDetailBuilder">R</a> extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>>, <a href="../../plan/RelRule.OperandTransform.html" title="interface in org.apache.calcite.plan">RelRule.OperandTransform</a></code></div> |
| <div class="inheritedList"> |
| <h2>Nested classes/interfaces inherited from class org.apache.calcite.plan.<a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></h2> |
| <a id="nested.classes.inherited.from.class.org.apache.calcite.plan.RelOptRule"> |
| <!-- --> |
| </a><code><a href="../../plan/RelOptRule.ConverterRelOptRuleOperand.html" title="class in org.apache.calcite.plan">RelOptRule.ConverterRelOptRuleOperand</a></code></div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <section class="fieldSummary"><a id="field.summary"> |
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| </a> |
| <h2>Field Summary</h2> |
| <div class="inheritedList"> |
| <h3>Fields inherited from class org.apache.calcite.plan.<a href="../../plan/RelRule.html" title="class in org.apache.calcite.plan">RelRule</a></h3> |
| <a id="fields.inherited.from.class.org.apache.calcite.plan.RelRule"> |
| <!-- --> |
| </a><code><a href="../../plan/RelRule.html#config">config</a></code></div> |
| <div class="inheritedList"> |
| <h3>Fields inherited from class org.apache.calcite.plan.<a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></h3> |
| <a id="fields.inherited.from.class.org.apache.calcite.plan.RelOptRule"> |
| <!-- --> |
| </a><code><a href="../../plan/RelOptRule.html#description">description</a>, <a href="../../plan/RelOptRule.html#operands">operands</a>, <a href="../../plan/RelOptRule.html#relBuilderFactory">relBuilderFactory</a></code></div> |
| </section> |
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| <h2>Constructor Summary</h2> |
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| <table> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colSecond" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code> </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Class,org.apache.calcite.tools.RelBuilderFactory)">UnionEliminatorRule</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a><? extends <a href="../core/Union.html" title="class in org.apache.calcite.rel.core">Union</a>> unionClass, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.rel.rules.UnionEliminatorRule.Config)">UnionEliminatorRule</a></span>​(<a href="UnionEliminatorRule.Config.html" title="interface in org.apache.calcite.rel.rules">UnionEliminatorRule.Config</a> config)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a UnionEliminatorRule.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <h2>Method Summary</h2> |
| <div class="memberSummary"> |
| <div role="tablist" aria-orientation="horizontal"><button role="tab" aria-selected="true" aria-controls="memberSummary_tabpanel" tabindex="0" onkeydown="switchTab(event)" id="t0" class="activeTableTab">All Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t2" class="tableTab" onclick="show(2);">Instance Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t4" class="tableTab" onclick="show(8);">Concrete Methods</button></div> |
| <div id="memberSummary_tabpanel" role="tabpanel"> |
| <table aria-labelledby="t0"> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#autoPruneOld()">autoPruneOld</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Whether the planner should automatically prune old node when |
| there is at least 1 equivalent rel generated by the rule.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#matches(org.apache.calcite.plan.RelOptRuleCall)">matches</a></span>​(<a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> call)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this rule could possibly match the given operands.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onMatch(org.apache.calcite.plan.RelOptRuleCall)">onMatch</a></span>​(<a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> call)</code></th> |
| <td class="colLast"> |
| <div class="block">Receives notification about a rule match.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class org.apache.calcite.plan.<a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.plan.RelOptRule"> |
| <!-- --> |
| </a><code><a href="../../plan/RelOptRule.html#any()">any</a>, <a href="../../plan/RelOptRule.html#convert(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelTrait)">convert</a>, <a href="../../plan/RelOptRule.html#convert(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelTraitSet)">convert</a>, <a href="../../plan/RelOptRule.html#convertList(java.util.List,org.apache.calcite.plan.RelTrait)">convertList</a>, <a href="../../plan/RelOptRule.html#convertOperand(java.lang.Class,com.google.common.base.Predicate,org.apache.calcite.plan.RelTrait)">convertOperand</a>, <a href="../../plan/RelOptRule.html#convertOperand(java.lang.Class,java.util.function.Predicate,org.apache.calcite.plan.RelTrait)">convertOperand</a>, <a href="../../plan/RelOptRule.html#equals(java.lang.Object)">equals</a>, <a href="../../plan/RelOptRule.html#equals(org.apache.calcite.plan.RelOptRule)">equals</a>, <a href="../../plan/RelOptRule.html#getOperand()">getOperand</a>, <a href="../../plan/RelOptRule.html#getOperands()">getOperands</a>, <a href="../../plan/RelOptRule.html#getOutConvention()">getOutConvention</a>, <a href="../../plan/RelOptRule.html#getOutTrait()">getOutTrait</a>, <a href="../../plan/RelOptRule.html#hashCode()">hashCode</a>, <a href="../../plan/RelOptRule.html#none()">none</a>, <a href="../../plan/RelOptRule.html#operand(java.lang.Class,org.apache.calcite.plan.RelOptRuleOperandChildren)">operand</a>, <a href="../../plan/RelOptRule.html#operand(java.lang.Class,org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.plan.RelOptRuleOperand...)">operand</a>, <a href="../../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="../../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="../../plan/RelOptRule.html#operand(java.lang.Class,org.apache.calcite.plan.RelTrait,org.apache.calcite.plan.RelOptRuleOperandChildren)">operand</a>, <a href="../../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="../../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="../../plan/RelOptRule.html#some(org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.plan.RelOptRuleOperand...)">some</a>, <a href="../../plan/RelOptRule.html#toString()">toString</a>, <a href="../../plan/RelOptRule.html#unordered(org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.plan.RelOptRuleOperand...)">unordered</a></code></div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li class="blockList"> |
| <section class="constructorDetails"><a id="constructor.detail"> |
| <!-- --> |
| </a> |
| <h2>Constructor Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="<init>(org.apache.calcite.rel.rules.UnionEliminatorRule.Config)">UnionEliminatorRule</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected</span> <span class="memberName">UnionEliminatorRule</span>​(<span class="arguments"><a href="UnionEliminatorRule.Config.html" title="interface in org.apache.calcite.rel.rules">UnionEliminatorRule.Config</a> config)</span></div> |
| <div class="block">Creates a UnionEliminatorRule.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="<init>(java.lang.Class,org.apache.calcite.tools.RelBuilderFactory)">UnionEliminatorRule</a></h3> |
| <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a> |
| </span><span class="modifiers">public</span> <span class="memberName">UnionEliminatorRule</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a><? extends <a href="../core/Union.html" title="class in org.apache.calcite.rel.core">Union</a>> unionClass, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory)</span></div> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li class="blockList"> |
| <section class="methodDetails"><a id="method.detail"> |
| <!-- --> |
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| <h2>Method Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="matches(org.apache.calcite.plan.RelOptRuleCall)">matches</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">matches</span>​(<span class="arguments"><a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> call)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../plan/RelOptRule.html#matches(org.apache.calcite.plan.RelOptRuleCall)">RelOptRule</a></code></span></div> |
| <div class="block">Returns whether this rule could possibly match the given operands. |
| |
| <p>This method is an opportunity to apply side-conditions to a rule. The |
| <a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan"><code>RelOptPlanner</code></a> calls this method after matching all operands of |
| the rule, and before calling <a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)"><code>RelOptRule.onMatch(RelOptRuleCall)</code></a>. |
| |
| <p>In implementations of <a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan"><code>RelOptPlanner</code></a> which may queue up a |
| matched <a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan"><code>RelOptRuleCall</code></a> for a long time before calling |
| <a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)"><code>RelOptRule.onMatch(RelOptRuleCall)</code></a>, this method is beneficial because it |
| allows the planner to discard rules earlier in the process. |
| |
| <p>The default implementation of this method returns <code>true</code>. |
| It is acceptable for any implementation of this method to give a false |
| positives, that is, to say that the rule matches the operands but have |
| <a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)"><code>RelOptRule.onMatch(RelOptRuleCall)</code></a> subsequently not generate any |
| successors. |
| |
| <p>The following script is useful to identify rules which commonly |
| produce no successors. You should override this method for these rules: |
| |
| <blockquote> |
| <pre><code>awk ' |
| /Apply rule/ {rule=$4; ruleCount[rule]++;} |
| /generated 0 successors/ {ruleMiss[rule]++;} |
| END { |
| printf "%-30s %s %s\n", "Rule", "Fire", "Miss"; |
| for (i in ruleCount) { |
| printf "%-30s %5d %5d\n", i, ruleCount[i], ruleMiss[i]; |
| } |
| } ' FarragoTrace.log</code></pre> |
| </blockquote></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../plan/RelOptRule.html#matches(org.apache.calcite.plan.RelOptRuleCall)">matches</a></code> in class <code><a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>call</code> - Rule call which has been determined to match all operands of |
| this rule</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether this RelOptRule matches a given RelOptRuleCall</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="onMatch(org.apache.calcite.plan.RelOptRuleCall)">onMatch</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">void</span> <span class="memberName">onMatch</span>​(<span class="arguments"><a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> call)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../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="../../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="../../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<org.apache.calcite.rel.RelNode, org.apache.calcite.rel.RelNode>, org.apache.calcite.plan.RelHintsPropagator)</code></a> to |
| register the expression.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)">onMatch</a></code> in class <code><a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>call</code> - Rule call</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../plan/RelOptRule.html#matches(org.apache.calcite.plan.RelOptRuleCall)"><code>RelOptRule.matches(RelOptRuleCall)</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="autoPruneOld()">autoPruneOld</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">autoPruneOld</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SubstitutionRule.html#autoPruneOld()">SubstitutionRule</a></code></span></div> |
| <div class="block">Whether the planner should automatically prune old node when |
| there is at least 1 equivalent rel generated by the rule. |
| |
| <p>Default is false, the user needs to prune the old node |
| manually in the rule.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SubstitutionRule.html#autoPruneOld()">autoPruneOld</a></code> in interface <code><a href="SubstitutionRule.html" title="interface in org.apache.calcite.rel.rules">SubstitutionRule</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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