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<div class="subTitle">org.apache.calcite.plan</div>
<h2 title="Class AbstractRelOptPlanner" class="title">Class AbstractRelOptPlanner</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>org.apache.calcite.plan.AbstractRelOptPlanner</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../org/apache/calcite/plan/hep/HepPlanner.html" title="class in org.apache.calcite.plan.hep">HepPlanner</a>, <a href="../../../../org/apache/calcite/plan/volcano/VolcanoPlanner.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlanner</a></dd>
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<pre>public abstract class <span class="typeNameLabel">AbstractRelOptPlanner</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></pre>
<div class="block">Abstract base for implementations of the <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan"><code>RelOptPlanner</code></a> interface.</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.calcite.plan.<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></h3>
<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.CannotPlanException.html" title="class in org.apache.calcite.plan">RelOptPlanner.CannotPlanException</a>, <a href="../../../../org/apache/calcite/plan/RelOptPlanner.Executor.html" title="interface in org.apache.calcite.plan">RelOptPlanner.Executor</a></code></li>
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<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#cancelFlag">cancelFlag</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/calcite/plan/Context.html" title="interface in org.apache.calcite.plan">Context</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#context">context</a></span></code>
<div class="block">External context.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="interface in org.apache.calcite.plan">RelOptCostFactory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#costFactory">costFactory</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#mapDescToRule">mapDescToRule</a></span></code>
<div class="block">Maps rule description to rule, just to ensure that rules' descriptions
are unique.</div>
</td>
</tr>
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<h3>Fields inherited from interface&nbsp;org.apache.calcite.plan.<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></h3>
<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#LOGGER">LOGGER</a></code></li>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#AbstractRelOptPlanner-org.apache.calcite.plan.RelOptCostFactory-org.apache.calcite.plan.Context-">AbstractRelOptPlanner</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="interface in org.apache.calcite.plan">RelOptCostFactory</a>&nbsp;costFactory,
<a href="../../../../org/apache/calcite/plan/Context.html" title="interface in org.apache.calcite.plan">Context</a>&nbsp;context)</code>
<div class="block">Creates an AbstractRelOptPlanner.</div>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</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/plan/AbstractRelOptPlanner.html#addLattice-org.apache.calcite.plan.RelOptLattice-">addLattice</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptLattice.html" title="class in org.apache.calcite.plan">RelOptLattice</a>&nbsp;lattice)</code>
<div class="block">Defines a lattice.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#addListener-org.apache.calcite.plan.RelOptListener-">addListener</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptListener.html" title="interface in org.apache.calcite.plan">RelOptListener</a>&nbsp;newListener)</code>
<div class="block">Adds a listener to this planner.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#addMaterialization-org.apache.calcite.plan.RelOptMaterialization-">addMaterialization</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>&nbsp;materialization)</code>
<div class="block">Defines a pair of relational expressions that are equivalent.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#addRelTraitDef-org.apache.calcite.plan.RelTraitDef-">addRelTraitDef</a></span>(<a href="../../../../org/apache/calcite/plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a>&nbsp;relTraitDef)</code>
<div class="block">Registers a rel trait definition.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#addRule-org.apache.calcite.plan.RelOptRule-">addRule</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&nbsp;rule)</code>
<div class="block">Registers a rule.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#checkCancel--">checkCancel</a></span>()</code>
<div class="block">Checks to see whether cancellation has been requested, and if so, throws
an exception.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#chooseDelegate--">chooseDelegate</a></span>()</code>
<div class="block">Negotiates an appropriate planner to deal with distributed queries.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#clear--">clear</a></span>()</code>
<div class="block">Removes all internal state, including all registered rules,
materialized views, and lattices.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#clearRelTraitDefs--">clearRelTraitDefs</a></span>()</code>
<div class="block">Clear all the registered RelTraitDef.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#dumpRuleAttemptsInfo--">dumpRuleAttemptsInfo</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#emptyTraitSet--">emptyTraitSet</a></span>()</code>
<div class="block">Creates an empty trait set.</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/AbstractRelOptPlanner.html#fireRule-org.apache.calcite.plan.RelOptRuleCall-">fireRule</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a>&nbsp;ruleCall)</code>
<div class="block">Fires a rule, taking care of tracing and listener notification.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/Context.html" title="interface in org.apache.calcite.plan">Context</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getContext--">getContext</a></span>()</code>
<div class="block">Provides the Context created when this planner was constructed.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptCost.html" title="interface in org.apache.calcite.plan">RelOptCost</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getCost-org.apache.calcite.rel.RelNode-">getCost</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptCost.html" title="interface in org.apache.calcite.plan">RelOptCost</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getCost-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.metadata.RelMetadataQuery-">getCost</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel,
<a href="../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</code>
<div class="block">Computes the cost of a RelNode.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="interface in org.apache.calcite.plan">RelOptCostFactory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getCostFactory--">getCostFactory</a></span>()</code>
<div class="block">Returns the factory that creates
<a href="../../../../org/apache/calcite/plan/RelOptCost.html" title="interface in org.apache.calcite.plan"><code>RelOptCost</code></a>s.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="interface in org.apache.calcite.rex">RexExecutor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getExecutor--">getExecutor</a></span>()</code>
<div class="block">Returns the executor used to evaluate constant expressions.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptLattice.html" title="class in org.apache.calcite.plan">RelOptLattice</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getLattice-org.apache.calcite.plan.RelOptTable-">getLattice</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a>&nbsp;table)</code>
<div class="block">Retrieves a lattice, given its star table.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptListener.html" title="interface in org.apache.calcite.plan">RelOptListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getListener--">getListener</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getMaterializations--">getMaterializations</a></span>()</code>
<div class="block">Returns the materializations that have been registered with the planner.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getRelMetadataTimestamp-org.apache.calcite.rel.RelNode-">getRelMetadataTimestamp</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</code>
<div class="block">Gets a timestamp for a given rel's metadata.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getRelTraitDefs--">getRelTraitDefs</a></span>()</code>
<div class="block">Returns the list of active trait types.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getRuleByDescription-java.lang.String-">getRuleByDescription</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)</code>
<div class="block">Returns the rule with a given description</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getRules--">getRules</a></span>()</code>
<div class="block">Returns the list of all registered rules.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#isRuleExcluded-org.apache.calcite.plan.RelOptRule-">isRuleExcluded</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&nbsp;rule)</code>
<div class="block">Determines whether a given rule is excluded by ruleDescExclusionFilter.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#notifyChosen-org.apache.calcite.rel.RelNode-">notifyChosen</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</code>
<div class="block">Takes care of tracing and listener notification when a rel is chosen as
part of the final plan.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#notifyDiscard-org.apache.calcite.rel.RelNode-">notifyDiscard</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</code>
<div class="block">Takes care of tracing and listener notification when a rel is discarded</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#notifyEquivalence-org.apache.calcite.rel.RelNode-java.lang.Object-boolean-">notifyEquivalence</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;equivalenceClass,
boolean&nbsp;physical)</code>
<div class="block">Takes care of tracing and listener notification when a rel equivalence is
detected.</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#notifyTransformation-org.apache.calcite.plan.RelOptRuleCall-org.apache.calcite.rel.RelNode-boolean-">notifyTransformation</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a>&nbsp;ruleCall,
<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;newRel,
boolean&nbsp;before)</code>
<div class="block">Takes care of tracing and listener notification when a rule's
transformation is applied.</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#onCopy-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">onCopy</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel,
<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;newRel)</code>
<div class="block">Called when a relational expression is copied to a similar expression.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#onNewClass-org.apache.calcite.rel.RelNode-">onNewClass</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;node)</code>
<div class="block">Called when a new class of <a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a> is seen.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#prune-org.apache.calcite.rel.RelNode-">prune</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</code>
<div class="block">Prunes a node from the planner.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#registerClass-org.apache.calcite.rel.RelNode-">registerClass</a></span>(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;node)</code>
<div class="block">Registers a class of RelNode.</div>
</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#registerMetadataProviders-java.util.List-">registerMetadataProviders</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rel/metadata/RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a>&gt;&nbsp;list)</code>
<div class="block">Gives this planner a chance to register one or more
<a href="../../../../org/apache/calcite/rel/metadata/RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a>s in the chain which will be used to answer
metadata queries.</div>
</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#registerSchema-org.apache.calcite.plan.RelOptSchema-">registerSchema</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="interface in org.apache.calcite.plan">RelOptSchema</a>&nbsp;schema)</code>
<div class="block">Tells this planner that a schema exists.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#removeRule-org.apache.calcite.plan.RelOptRule-">removeRule</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&nbsp;rule)</code>
<div class="block">Removes a rule.</div>
</td>
</tr>
<tr id="i36" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#setCancelFlag-org.apache.calcite.util.CancelFlag-">setCancelFlag</a></span>(<a href="../../../../org/apache/calcite/util/CancelFlag.html" title="class in org.apache.calcite.util">CancelFlag</a>&nbsp;cancelFlag)</code>
<div class="block">Does nothing.</div>
</td>
</tr>
<tr id="i37" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#setExecutor-org.apache.calcite.rex.RexExecutor-">setExecutor</a></span>(<a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="interface in org.apache.calcite.rex">RexExecutor</a>&nbsp;executor)</code>
<div class="block">Sets the object that can execute scalar expressions.</div>
</td>
</tr>
<tr id="i38" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#setRuleDescExclusionFilter-java.util.regex.Pattern-">setRuleDescExclusionFilter</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a>&nbsp;exclusionFilter)</code>
<div class="block">Sets the exclusion filter to use for this planner.</div>
</td>
</tr>
<tr id="i39" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#subClasses-java.lang.Class-">subClasses</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;clazz)</code>
<div class="block">Returns sub-classes of relational expression.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.calcite.plan.<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></h3>
<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#changeTraits-org.apache.calcite.rel.RelNode-org.apache.calcite.plan.RelTraitSet-">changeTraits</a>, <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#ensureRegistered-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">ensureRegistered</a>, <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#findBestExp--">findBestExp</a>, <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getRoot--">getRoot</a>, <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#isRegistered-org.apache.calcite.rel.RelNode-">isRegistered</a>, <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#register-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">register</a>, <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#setRoot-org.apache.calcite.rel.RelNode-">setRoot</a></code></li>
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<h3>Field Detail</h3>
<a name="mapDescToRule">
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<h4>mapDescToRule</h4>
<pre>protected final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&gt; mapDescToRule</pre>
<div class="block">Maps rule description to rule, just to ensure that rules' descriptions
are unique.</div>
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<a name="costFactory">
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<h4>costFactory</h4>
<pre>protected final&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="interface in org.apache.calcite.plan">RelOptCostFactory</a> costFactory</pre>
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<h4>cancelFlag</h4>
<pre>protected final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a> cancelFlag</pre>
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<h4>context</h4>
<pre>protected final&nbsp;<a href="../../../../org/apache/calcite/plan/Context.html" title="interface in org.apache.calcite.plan">Context</a> context</pre>
<div class="block">External context. Never null.</div>
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<h3>Constructor Detail</h3>
<a name="AbstractRelOptPlanner-org.apache.calcite.plan.RelOptCostFactory-org.apache.calcite.plan.Context-">
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<h4>AbstractRelOptPlanner</h4>
<pre>protected&nbsp;AbstractRelOptPlanner(<a href="../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="interface in org.apache.calcite.plan">RelOptCostFactory</a>&nbsp;costFactory,
<a href="../../../../org/apache/calcite/plan/Context.html" title="interface in org.apache.calcite.plan">Context</a>&nbsp;context)</pre>
<div class="block">Creates an AbstractRelOptPlanner.</div>
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<h3>Method Detail</h3>
<a name="clear--">
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<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#clear--">RelOptPlanner</a></code></span></div>
<div class="block">Removes all internal state, including all registered rules,
materialized views, and lattices.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#clear--">clear</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
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<h4>getContext</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/Context.html" title="interface in org.apache.calcite.plan">Context</a>&nbsp;getContext()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getContext--">RelOptPlanner</a></code></span></div>
<div class="block">Provides the Context created when this planner was constructed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getContext--">getContext</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Never null; either an externally defined context, or a dummy
context that returns null for each requested interface</dd>
</dl>
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<h4>getCostFactory</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="interface in org.apache.calcite.plan">RelOptCostFactory</a>&nbsp;getCostFactory()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getCostFactory--">RelOptPlanner</a></code></span></div>
<div class="block">Returns the factory that creates
<a href="../../../../org/apache/calcite/plan/RelOptCost.html" title="interface in org.apache.calcite.plan"><code>RelOptCost</code></a>s.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getCostFactory--">getCostFactory</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
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<h4>setCancelFlag</h4>
<pre>public&nbsp;void&nbsp;setCancelFlag(<a href="../../../../org/apache/calcite/util/CancelFlag.html" title="class in org.apache.calcite.util">CancelFlag</a>&nbsp;cancelFlag)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#setCancelFlag-org.apache.calcite.util.CancelFlag-">RelOptPlanner</a></code></span></div>
<div class="block">Does nothing.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#setCancelFlag-org.apache.calcite.util.CancelFlag-">setCancelFlag</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cancelFlag</code> - flag which the planner should periodically check</dd>
</dl>
</li>
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<h4>checkCancel</h4>
<pre>public&nbsp;void&nbsp;checkCancel()</pre>
<div class="block">Checks to see whether cancellation has been requested, and if so, throws
an exception.</div>
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<a name="getRules--">
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<h4>getRules</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&gt;&nbsp;getRules()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getRules--">RelOptPlanner</a></code></span></div>
<div class="block">Returns the list of all registered rules.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getRules--">getRules</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
</dl>
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<a name="addRule-org.apache.calcite.plan.RelOptRule-">
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<h4>addRule</h4>
<pre>public&nbsp;boolean&nbsp;addRule(<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&nbsp;rule)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addRule-org.apache.calcite.plan.RelOptRule-">RelOptPlanner</a></code></span></div>
<div class="block">Registers a rule.
<p>If the rule has already been registered, does nothing.
This method determines if the given rule is a
<a href="../../../../org/apache/calcite/rel/convert/ConverterRule.html" title="class in org.apache.calcite.rel.convert"><code>ConverterRule</code></a> and pass the
ConverterRule to all
<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addRelTraitDef-org.apache.calcite.plan.RelTraitDef-"><code>registered</code></a> RelTraitDef
instances.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addRule-org.apache.calcite.plan.RelOptRule-">addRule</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether the rule was added, as per
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#add-E-" title="class or interface in java.util"><code>Collection.add(E)</code></a></dd>
</dl>
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<h4>removeRule</h4>
<pre>public&nbsp;boolean&nbsp;removeRule(<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&nbsp;rule)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#removeRule-org.apache.calcite.plan.RelOptRule-">RelOptPlanner</a></code></span></div>
<div class="block">Removes a rule.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#removeRule-org.apache.calcite.plan.RelOptRule-">removeRule</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the rule was present, as per
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#remove-java.lang.Object-" title="class or interface in java.util"><code>Collection.remove(Object)</code></a></dd>
</dl>
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</ul>
<a name="getRuleByDescription-java.lang.String-">
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<h4>getRuleByDescription</h4>
<pre>protected&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&nbsp;getRuleByDescription(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)</pre>
<div class="block">Returns the rule with a given description</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>description</code> - Description</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Rule with given description, or null if not found</dd>
</dl>
</li>
</ul>
<a name="setRuleDescExclusionFilter-java.util.regex.Pattern-">
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<h4>setRuleDescExclusionFilter</h4>
<pre>public&nbsp;void&nbsp;setRuleDescExclusionFilter(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a>&nbsp;exclusionFilter)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#setRuleDescExclusionFilter-java.util.regex.Pattern-">RelOptPlanner</a></code></span></div>
<div class="block">Sets the exclusion filter to use for this planner. Rules which match the
given pattern will not be fired regardless of whether or when they are
added to the planner.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#setRuleDescExclusionFilter-java.util.regex.Pattern-">setRuleDescExclusionFilter</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>exclusionFilter</code> - pattern to match for exclusion; null to disable
filtering</dd>
</dl>
</li>
</ul>
<a name="isRuleExcluded-org.apache.calcite.plan.RelOptRule-">
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<pre>public&nbsp;boolean&nbsp;isRuleExcluded(<a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>&nbsp;rule)</pre>
<div class="block">Determines whether a given rule is excluded by ruleDescExclusionFilter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rule</code> - rule to test</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true iff rule should be excluded</dd>
</dl>
</li>
</ul>
<a name="chooseDelegate--">
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<h4>chooseDelegate</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a>&nbsp;chooseDelegate()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#chooseDelegate--">RelOptPlanner</a></code></span></div>
<div class="block">Negotiates an appropriate planner to deal with distributed queries. The
idea is that the schemas decide among themselves which has the most
knowledge. Right now, the local planner retains control.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#chooseDelegate--">chooseDelegate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
</dl>
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</ul>
<a name="addMaterialization-org.apache.calcite.plan.RelOptMaterialization-">
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<h4>addMaterialization</h4>
<pre>public&nbsp;void&nbsp;addMaterialization(<a href="../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>&nbsp;materialization)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addMaterialization-org.apache.calcite.plan.RelOptMaterialization-">RelOptPlanner</a></code></span></div>
<div class="block">Defines a pair of relational expressions that are equivalent.
<p>Typically <code>tableRel</code> is a
<a href="../../../../org/apache/calcite/rel/logical/LogicalTableScan.html" title="class in org.apache.calcite.rel.logical"><code>LogicalTableScan</code></a> representing a
table that is a materialized view and <code>queryRel</code> is the SQL
expression that populates that view. The intention is that
<code>tableRel</code> is cheaper to evaluate and therefore if the query being
optimized uses (or can be rewritten to use) <code>queryRel</code> as a
sub-expression then it can be optimized by using <code>tableRel</code>
instead.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addMaterialization-org.apache.calcite.plan.RelOptMaterialization-">addMaterialization</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
</dl>
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</ul>
<a name="getMaterializations--">
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<h4>getMaterializations</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>&gt;&nbsp;getMaterializations()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getMaterializations--">RelOptPlanner</a></code></span></div>
<div class="block">Returns the materializations that have been registered with the planner.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getMaterializations--">getMaterializations</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
</dl>
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<a name="addLattice-org.apache.calcite.plan.RelOptLattice-">
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<h4>addLattice</h4>
<pre>public&nbsp;void&nbsp;addLattice(<a href="../../../../org/apache/calcite/plan/RelOptLattice.html" title="class in org.apache.calcite.plan">RelOptLattice</a>&nbsp;lattice)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addLattice-org.apache.calcite.plan.RelOptLattice-">RelOptPlanner</a></code></span></div>
<div class="block">Defines a lattice.
<p>The lattice may have materializations; it is not necessary to call
<a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addMaterialization-org.apache.calcite.plan.RelOptMaterialization-"><code>RelOptPlanner.addMaterialization(org.apache.calcite.plan.RelOptMaterialization)</code></a> for these; they are registered implicitly.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addLattice-org.apache.calcite.plan.RelOptLattice-">addLattice</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
</dl>
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<a name="getLattice-org.apache.calcite.plan.RelOptTable-">
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<h4>getLattice</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptLattice.html" title="class in org.apache.calcite.plan">RelOptLattice</a>&nbsp;getLattice(<a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a>&nbsp;table)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getLattice-org.apache.calcite.plan.RelOptTable-">RelOptPlanner</a></code></span></div>
<div class="block">Retrieves a lattice, given its star table.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getLattice-org.apache.calcite.plan.RelOptTable-">getLattice</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
</dl>
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</ul>
<a name="registerSchema-org.apache.calcite.plan.RelOptSchema-">
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<h4>registerSchema</h4>
<pre>public&nbsp;void&nbsp;registerSchema(<a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="interface in org.apache.calcite.plan">RelOptSchema</a>&nbsp;schema)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#registerSchema-org.apache.calcite.plan.RelOptSchema-">RelOptPlanner</a></code></span></div>
<div class="block">Tells this planner that a schema exists. This is the schema's chance to
tell the planner about all of the special transformation rules.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#registerSchema-org.apache.calcite.plan.RelOptSchema-">registerSchema</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
</dl>
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<a name="getRelMetadataTimestamp-org.apache.calcite.rel.RelNode-">
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<h4>getRelMetadataTimestamp</h4>
<pre>public&nbsp;long&nbsp;getRelMetadataTimestamp(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getRelMetadataTimestamp-org.apache.calcite.rel.RelNode-">RelOptPlanner</a></code></span></div>
<div class="block">Gets a timestamp for a given rel's metadata. This timestamp is used by
<a href="../../../../org/apache/calcite/rel/metadata/CachingRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata"><code>CachingRelMetadataProvider</code></a> to decide whether cached metadata has
gone stale.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getRelMetadataTimestamp-org.apache.calcite.rel.RelNode-">getRelMetadataTimestamp</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rel</code> - rel of interest</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>timestamp of last change which might affect metadata derivation</dd>
</dl>
</li>
</ul>
<a name="prune-org.apache.calcite.rel.RelNode-">
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<h4>prune</h4>
<pre>public&nbsp;void&nbsp;prune(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#prune-org.apache.calcite.rel.RelNode-">RelOptPlanner</a></code></span></div>
<div class="block">Prunes a node from the planner.
<p>When a node is pruned, the related pending rule
calls are cancelled, and future rules will not fire.
This can be used to reduce the search space. </p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#prune-org.apache.calcite.rel.RelNode-">prune</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rel</code> - the node to prune.</dd>
</dl>
</li>
</ul>
<a name="registerClass-org.apache.calcite.rel.RelNode-">
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<h4>registerClass</h4>
<pre>public&nbsp;void&nbsp;registerClass(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;node)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#registerClass-org.apache.calcite.rel.RelNode-">RelOptPlanner</a></code></span></div>
<div class="block">Registers a class of RelNode. If this class of RelNode has been seen
before, does nothing.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#registerClass-org.apache.calcite.rel.RelNode-">registerClass</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>node</code> - Relational expression</dd>
</dl>
</li>
</ul>
<a name="onNewClass-org.apache.calcite.rel.RelNode-">
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<h4>onNewClass</h4>
<pre>protected&nbsp;void&nbsp;onNewClass(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;node)</pre>
<div class="block">Called when a new class of <a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a> is seen.</div>
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<h4>emptyTraitSet</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a>&nbsp;emptyTraitSet()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#emptyTraitSet--">RelOptPlanner</a></code></span></div>
<div class="block">Creates an empty trait set. It contains all registered traits, and the
default values of any traits that have them.
<p>The empty trait set acts as the prototype (a kind of factory) for all
subsequently created trait sets.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#emptyTraitSet--">emptyTraitSet</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Empty trait set</dd>
</dl>
</li>
</ul>
<a name="getCost-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.metadata.RelMetadataQuery-">
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<h4>getCost</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptCost.html" title="interface in org.apache.calcite.plan">RelOptCost</a>&nbsp;getCost(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel,
<a href="../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html" title="class in org.apache.calcite.rel.metadata">RelMetadataQuery</a>&nbsp;mq)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getCost-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.metadata.RelMetadataQuery-">RelOptPlanner</a></code></span></div>
<div class="block">Computes the cost of a RelNode. In most cases, this just dispatches to
<a href="../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html#getCumulativeCost-org.apache.calcite.rel.RelNode-"><code>RelMetadataQuery.getCumulativeCost(org.apache.calcite.rel.RelNode)</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getCost-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.metadata.RelMetadataQuery-">getCost</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rel</code> - Relational expression of interest</dd>
<dd><code>mq</code> - Metadata query</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>estimated cost</dd>
</dl>
</li>
</ul>
<a name="getCost-org.apache.calcite.rel.RelNode-">
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<h4>getCost</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptCost.html" title="interface in org.apache.calcite.plan">RelOptCost</a>&nbsp;getCost(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getCost-org.apache.calcite.rel.RelNode-">getCost</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
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<a name="addListener-org.apache.calcite.plan.RelOptListener-">
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<h4>addListener</h4>
<pre>public&nbsp;void&nbsp;addListener(<a href="../../../../org/apache/calcite/plan/RelOptListener.html" title="interface in org.apache.calcite.plan">RelOptListener</a>&nbsp;newListener)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addListener-org.apache.calcite.plan.RelOptListener-">RelOptPlanner</a></code></span></div>
<div class="block">Adds a listener to this planner.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addListener-org.apache.calcite.plan.RelOptListener-">addListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>newListener</code> - new listener to be notified of events</dd>
</dl>
</li>
</ul>
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<h4>registerMetadataProviders</h4>
<pre>public&nbsp;void&nbsp;registerMetadataProviders(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rel/metadata/RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a>&gt;&nbsp;list)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#registerMetadataProviders-java.util.List-">RelOptPlanner</a></code></span></div>
<div class="block">Gives this planner a chance to register one or more
<a href="../../../../org/apache/calcite/rel/metadata/RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a>s in the chain which will be used to answer
metadata queries.
<p>Planners which use their own relational expressions internally
to represent concepts such as equivalence classes will generally need to
supply corresponding metadata providers.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#registerMetadataProviders-java.util.List-">registerMetadataProviders</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>list</code> - receives planner's custom providers, if any</dd>
</dl>
</li>
</ul>
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<h4>addRelTraitDef</h4>
<pre>public&nbsp;boolean&nbsp;addRelTraitDef(<a href="../../../../org/apache/calcite/plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a>&nbsp;relTraitDef)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addRelTraitDef-org.apache.calcite.plan.RelTraitDef-">RelOptPlanner</a></code></span></div>
<div class="block">Registers a rel trait definition. If the <a href="../../../../org/apache/calcite/plan/RelTraitDef.html" title="class in org.apache.calcite.plan"><code>RelTraitDef</code></a> has already
been registered, does nothing.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#addRelTraitDef-org.apache.calcite.plan.RelTraitDef-">addRelTraitDef</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether the RelTraitDef was added, as per
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true#add-E-" title="class or interface in java.util"><code>Collection.add(E)</code></a></dd>
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<h4>clearRelTraitDefs</h4>
<pre>public&nbsp;void&nbsp;clearRelTraitDefs()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#clearRelTraitDefs--">RelOptPlanner</a></code></span></div>
<div class="block">Clear all the registered RelTraitDef.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#clearRelTraitDefs--">clearRelTraitDefs</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
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<h4>getRelTraitDefs</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/plan/RelTraitDef.html" title="class in org.apache.calcite.plan">RelTraitDef</a>&gt;&nbsp;getRelTraitDefs()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getRelTraitDefs--">RelOptPlanner</a></code></span></div>
<div class="block">Returns the list of active trait types.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getRelTraitDefs--">getRelTraitDefs</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
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<h4>setExecutor</h4>
<pre>public&nbsp;void&nbsp;setExecutor(<a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="interface in org.apache.calcite.rex">RexExecutor</a>&nbsp;executor)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#setExecutor-org.apache.calcite.rex.RexExecutor-">RelOptPlanner</a></code></span></div>
<div class="block">Sets the object that can execute scalar expressions.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#setExecutor-org.apache.calcite.rex.RexExecutor-">setExecutor</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
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<h4>getExecutor</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="interface in org.apache.calcite.rex">RexExecutor</a>&nbsp;getExecutor()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getExecutor--">RelOptPlanner</a></code></span></div>
<div class="block">Returns the executor used to evaluate constant expressions.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#getExecutor--">getExecutor</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
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<pre>public&nbsp;void&nbsp;onCopy(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel,
<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;newRel)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#onCopy-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">RelOptPlanner</a></code></span></div>
<div class="block">Called when a relational expression is copied to a similar expression.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#onCopy-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">onCopy</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd>
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<pre>protected&nbsp;void&nbsp;dumpRuleAttemptsInfo()</pre>
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<pre>protected&nbsp;void&nbsp;fireRule(<a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a>&nbsp;ruleCall)</pre>
<div class="block">Fires a rule, taking care of tracing and listener notification.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ruleCall</code> - description of rule call</dd>
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<pre>protected&nbsp;void&nbsp;notifyTransformation(<a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a>&nbsp;ruleCall,
<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;newRel,
boolean&nbsp;before)</pre>
<div class="block">Takes care of tracing and listener notification when a rule's
transformation is applied.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ruleCall</code> - description of rule call</dd>
<dd><code>newRel</code> - result of transformation</dd>
<dd><code>before</code> - true before registration of new rel; false after</dd>
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<pre>protected&nbsp;void&nbsp;notifyChosen(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</pre>
<div class="block">Takes care of tracing and listener notification when a rel is chosen as
part of the final plan.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rel</code> - chosen rel</dd>
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<h4>notifyEquivalence</h4>
<pre>protected&nbsp;void&nbsp;notifyEquivalence(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;equivalenceClass,
boolean&nbsp;physical)</pre>
<div class="block">Takes care of tracing and listener notification when a rel equivalence is
detected.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rel</code> - chosen rel</dd>
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<pre>protected&nbsp;void&nbsp;notifyDiscard(<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rel)</pre>
<div class="block">Takes care of tracing and listener notification when a rel is discarded</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rel</code> - discarded rel</dd>
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<pre>public&nbsp;<a href="../../../../org/apache/calcite/plan/RelOptListener.html" title="interface in org.apache.calcite.plan">RelOptListener</a>&nbsp;getListener()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&gt;&nbsp;subClasses(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;clazz)</pre>
<div class="block">Returns sub-classes of relational expression.</div>
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