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| <h2 title="Class HepPlanner" class="title">Class HepPlanner</h2> |
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| <ul class="inheritance"> |
| <li><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></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">org.apache.calcite.plan.AbstractRelOptPlanner</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.plan.hep.HepPlanner</li> |
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| <dd><code><a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">HepPlanner</span> |
| extends <a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</a></pre> |
| <div class="block">HepPlanner is a heuristic implementation of the <a href="../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 org.apache.calcite.plan.<a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></h3> |
| <code><a href="../RelOptPlanner.CannotPlanException.html" title="class in org.apache.calcite.plan">RelOptPlanner.CannotPlanException</a>, <a href="../RelOptPlanner.Executor.html" title="interface in org.apache.calcite.plan">RelOptPlanner.Executor</a></code></li> |
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| <h3>Fields inherited from class org.apache.calcite.plan.<a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</a></h3> |
| <code><a href="../AbstractRelOptPlanner.html#cancelFlag">cancelFlag</a>, <a href="../AbstractRelOptPlanner.html#context">context</a>, <a href="../AbstractRelOptPlanner.html#costFactory">costFactory</a>, <a href="../AbstractRelOptPlanner.html#mapDescToRule">mapDescToRule</a></code></li> |
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| <h3>Fields inherited from interface org.apache.calcite.plan.<a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></h3> |
| <code><a href="../RelOptPlanner.html#LOGGER">LOGGER</a></code></li> |
| </ul> |
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| </ul> |
| </section> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.plan.hep.HepProgram)">HepPlanner</a></span>​(<a href="HepProgram.html" title="class in org.apache.calcite.plan.hep">HepProgram</a> program)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a new HepPlanner that allows DAG.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.plan.hep.HepProgram,org.apache.calcite.plan.Context)">HepPlanner</a></span>​(<a href="HepProgram.html" title="class in org.apache.calcite.plan.hep">HepProgram</a> program, |
| <a href="../Context.html" title="interface in org.apache.calcite.plan">Context</a> context)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a new HepPlanner that allows DAG.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.plan.hep.HepProgram,org.apache.calcite.plan.Context,boolean,org.apache.calcite.linq4j.function.Function2,org.apache.calcite.plan.RelOptCostFactory)">HepPlanner</a></span>​(<a href="HepProgram.html" title="class in org.apache.calcite.plan.hep">HepProgram</a> program, |
| <a href="../Context.html" title="interface in org.apache.calcite.plan">Context</a> context, |
| boolean noDag, |
| <a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang" class="externalLink">Void</a>> onCopyHook, |
| <a href="../RelOptCostFactory.html" title="interface in org.apache.calcite.plan">RelOptCostFactory</a> costFactory)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a new HepPlanner with the option to keep the graph a |
| tree (noDag = true) or allow DAG (noDag = false).</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <li class="blockList"><a id="method.summary"> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <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> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addMaterialization(org.apache.calcite.plan.RelOptMaterialization)">addMaterialization</a></span>​(<a href="../RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a> materialization)</code></th> |
| <td class="colLast"> |
| <div class="block">Defines a pair of relational expressions that are equivalent.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#changeTraits(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelTraitSet)">changeTraits</a></span>​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a> toTraits)</code></th> |
| <td class="colLast"> |
| <div class="block">Changes a relational expression to an equivalent one with a different set |
| of traits.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#clear()">clear</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Removes all internal state, including all registered rules, |
| materialized views, and lattices.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ensureRegistered(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)">ensureRegistered</a></span>​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> equivRel)</code></th> |
| <td class="colLast"> |
| <div class="block">Registers a relational expression if it is not already registered.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#findBestExp()">findBestExp</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Finds the most efficient expression to implement this query.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>com.google.common.collect.ImmutableList<<a href="../RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMaterializations()">getMaterializations</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the materializations that have been registered with the planner.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRelMetadataTimestamp(org.apache.calcite.rel.RelNode)">getRelMetadataTimestamp</a></span>​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</code></th> |
| <td class="colLast"> |
| <div class="block">Gets a timestamp for a given rel's metadata.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRoot()">getRoot</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the root node of this query.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isRegistered(org.apache.calcite.rel.RelNode)">isRegistered</a></span>​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</code></th> |
| <td class="colLast"> |
| <div class="block">Determines whether a relational expression has been registered.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onCopy(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)">onCopy</a></span>​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> newRel)</code></th> |
| <td class="colLast"> |
| <div class="block">Called when a relational expression is copied to a similar expression.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#register(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)">register</a></span>​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> equivRel)</code></th> |
| <td class="colLast"> |
| <div class="block">Registers a relational expression in the expression bank.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#registerMetadataProviders(java.util.List)">registerMetadataProviders</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../../rel/metadata/RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a>> list)</code></th> |
| <td class="colLast"> |
| <div class="block">Gives this planner a chance to register one or more |
| <a href="../../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="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setRoot(org.apache.calcite.rel.RelNode)">setRoot</a></span>​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</code></th> |
| <td class="colLast"> |
| <div class="block">Sets the root node of this query.</div> |
| </td> |
| </tr> |
| </table> |
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| </a> |
| <h3>Methods inherited from class org.apache.calcite.plan.<a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</a></h3> |
| <code><a href="../AbstractRelOptPlanner.html#addLattice(org.apache.calcite.plan.RelOptLattice)">addLattice</a>, <a href="../AbstractRelOptPlanner.html#addListener(org.apache.calcite.plan.RelOptListener)">addListener</a>, <a href="../AbstractRelOptPlanner.html#addRelTraitDef(org.apache.calcite.plan.RelTraitDef)">addRelTraitDef</a>, <a href="../AbstractRelOptPlanner.html#addRule(org.apache.calcite.plan.RelOptRule)">addRule</a>, <a href="../AbstractRelOptPlanner.html#checkCancel()">checkCancel</a>, <a href="../AbstractRelOptPlanner.html#chooseDelegate()">chooseDelegate</a>, <a href="../AbstractRelOptPlanner.html#clearRelTraitDefs()">clearRelTraitDefs</a>, <a href="../AbstractRelOptPlanner.html#dumpRuleAttemptsInfo()">dumpRuleAttemptsInfo</a>, <a href="../AbstractRelOptPlanner.html#emptyTraitSet()">emptyTraitSet</a>, <a href="../AbstractRelOptPlanner.html#fireRule(org.apache.calcite.plan.RelOptRuleCall)">fireRule</a>, <a href="../AbstractRelOptPlanner.html#getContext()">getContext</a>, <a href="../AbstractRelOptPlanner.html#getCost(org.apache.calcite.rel.RelNode)">getCost</a>, <a href="../AbstractRelOptPlanner.html#getCost(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.metadata.RelMetadataQuery)">getCost</a>, <a href="../AbstractRelOptPlanner.html#getCostFactory()">getCostFactory</a>, <a href="../AbstractRelOptPlanner.html#getExecutor()">getExecutor</a>, <a href="../AbstractRelOptPlanner.html#getLattice(org.apache.calcite.plan.RelOptTable)">getLattice</a>, <a href="../AbstractRelOptPlanner.html#getListener()">getListener</a>, <a href="../AbstractRelOptPlanner.html#getRelTraitDefs()">getRelTraitDefs</a>, <a href="../AbstractRelOptPlanner.html#getRuleByDescription(java.lang.String)">getRuleByDescription</a>, <a href="../AbstractRelOptPlanner.html#getRules()">getRules</a>, <a href="../AbstractRelOptPlanner.html#isRuleExcluded(org.apache.calcite.plan.RelOptRule)">isRuleExcluded</a>, <a href="../AbstractRelOptPlanner.html#notifyChosen(org.apache.calcite.rel.RelNode)">notifyChosen</a>, <a href="../AbstractRelOptPlanner.html#notifyDiscard(org.apache.calcite.rel.RelNode)">notifyDiscard</a>, <a href="../AbstractRelOptPlanner.html#notifyEquivalence(org.apache.calcite.rel.RelNode,java.lang.Object,boolean)">notifyEquivalence</a>, <a href="../AbstractRelOptPlanner.html#notifyTransformation(org.apache.calcite.plan.RelOptRuleCall,org.apache.calcite.rel.RelNode,boolean)">notifyTransformation</a>, <a href="../AbstractRelOptPlanner.html#onNewClass(org.apache.calcite.rel.RelNode)">onNewClass</a>, <a href="../AbstractRelOptPlanner.html#prune(org.apache.calcite.rel.RelNode)">prune</a>, <a href="../AbstractRelOptPlanner.html#registerClass(org.apache.calcite.rel.RelNode)">registerClass</a>, <a href="../AbstractRelOptPlanner.html#registerSchema(org.apache.calcite.plan.RelOptSchema)">registerSchema</a>, <a href="../AbstractRelOptPlanner.html#removeRule(org.apache.calcite.plan.RelOptRule)">removeRule</a>, <a href="../AbstractRelOptPlanner.html#setCancelFlag(org.apache.calcite.util.CancelFlag)">setCancelFlag</a>, <a href="../AbstractRelOptPlanner.html#setExecutor(org.apache.calcite.rex.RexExecutor)">setExecutor</a>, <a href="../AbstractRelOptPlanner.html#setRuleDescExclusionFilter(java.util.regex.Pattern)">setRuleDescExclusionFilter</a>, <a href="../AbstractRelOptPlanner.html#subClasses(java.lang.Class)">subClasses</a></code></li> |
| </ul> |
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| </a> |
| <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> |
| <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#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</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#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</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#toString()" title="class or interface in java.lang" class="externalLink">toString</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></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.plan.hep.HepProgram)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>HepPlanner</h4> |
| <pre>public HepPlanner​(<a href="HepProgram.html" title="class in org.apache.calcite.plan.hep">HepProgram</a> program)</pre> |
| <div class="block">Creates a new HepPlanner that allows DAG.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>program</code> - program controlling rule application</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="<init>(org.apache.calcite.plan.hep.HepProgram,org.apache.calcite.plan.Context)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>HepPlanner</h4> |
| <pre>public HepPlanner​(<a href="HepProgram.html" title="class in org.apache.calcite.plan.hep">HepProgram</a> program, |
| <a href="../Context.html" title="interface in org.apache.calcite.plan">Context</a> context)</pre> |
| <div class="block">Creates a new HepPlanner that allows DAG.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>program</code> - program controlling rule application</dd> |
| <dd><code>context</code> - to carry while planning</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="<init>(org.apache.calcite.plan.hep.HepProgram,org.apache.calcite.plan.Context,boolean,org.apache.calcite.linq4j.function.Function2,org.apache.calcite.plan.RelOptCostFactory)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>HepPlanner</h4> |
| <pre>public HepPlanner​(<a href="HepProgram.html" title="class in org.apache.calcite.plan.hep">HepProgram</a> program, |
| <a href="../Context.html" title="interface in org.apache.calcite.plan">Context</a> context, |
| boolean noDag, |
| <a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>,​<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang" class="externalLink">Void</a>> onCopyHook, |
| <a href="../RelOptCostFactory.html" title="interface in org.apache.calcite.plan">RelOptCostFactory</a> costFactory)</pre> |
| <div class="block">Creates a new HepPlanner with the option to keep the graph a |
| tree (noDag = true) or allow DAG (noDag = false).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>noDag</code> - If false, create shared nodes if expressions are |
| identical</dd> |
| <dd><code>program</code> - Program controlling rule application</dd> |
| <dd><code>onCopyHook</code> - Function to call when a node is copied</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a id="setRoot(org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setRoot</h4> |
| <pre class="methodSignature">public void setRoot​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../RelOptPlanner.html#setRoot(org.apache.calcite.rel.RelNode)">RelOptPlanner</a></code></span></div> |
| <div class="block">Sets the root node of this query.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rel</code> - Relational expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getRoot()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRoot</h4> |
| <pre class="methodSignature">public <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> getRoot()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../RelOptPlanner.html#getRoot()">RelOptPlanner</a></code></span></div> |
| <div class="block">Returns the root node of this query.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Root node</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="clear()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clear</h4> |
| <pre class="methodSignature">public void clear()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../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="../RelOptPlanner.html#clear()">clear</a></code> in interface <code><a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../AbstractRelOptPlanner.html#clear()">clear</a></code> in class <code><a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="changeTraits(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelTraitSet)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>changeTraits</h4> |
| <pre class="methodSignature">public <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> changeTraits​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../RelTraitSet.html" title="class in org.apache.calcite.plan">RelTraitSet</a> toTraits)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../RelOptPlanner.html#changeTraits(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelTraitSet)">RelOptPlanner</a></code></span></div> |
| <div class="block">Changes a relational expression to an equivalent one with a different set |
| of traits.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rel</code> - Relational expression (may or may not have been registered; must |
| not have the desired traits)</dd> |
| <dd><code>toTraits</code> - Trait set to convert the relational expression to</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Relational expression with desired traits. Never null, but may be |
| abstract</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="findBestExp()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>findBestExp</h4> |
| <pre class="methodSignature">public <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> findBestExp()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../RelOptPlanner.html#findBestExp()">RelOptPlanner</a></code></span></div> |
| <div class="block">Finds the most efficient expression to implement this query.</div> |
| </li> |
| </ul> |
| <a id="register(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>register</h4> |
| <pre class="methodSignature">public <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> register​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> equivRel)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../RelOptPlanner.html#register(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)">RelOptPlanner</a></code></span></div> |
| <div class="block">Registers a relational expression in the expression bank. |
| |
| <p>After it has been registered, you may not modify it. |
| |
| <p>The expression must not already have been registered. If you are not |
| sure whether it has been registered, call |
| <a href="../RelOptPlanner.html#ensureRegistered(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)"><code>RelOptPlanner.ensureRegistered(RelNode, RelNode)</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rel</code> - Relational expression to register (must not already be |
| registered)</dd> |
| <dd><code>equivRel</code> - Relational expression it is equivalent to (may be null)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the same expression, or an equivalent existing expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="onCopy(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>onCopy</h4> |
| <pre class="methodSignature">public void onCopy​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> newRel)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../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="../RelOptPlanner.html#onCopy(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)">onCopy</a></code> in interface <code><a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../AbstractRelOptPlanner.html#onCopy(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)">onCopy</a></code> in class <code><a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="ensureRegistered(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ensureRegistered</h4> |
| <pre class="methodSignature">public <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> ensureRegistered​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> equivRel)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../RelOptPlanner.html#ensureRegistered(org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode)">RelOptPlanner</a></code></span></div> |
| <div class="block">Registers a relational expression if it is not already registered. |
| |
| <p>If <code>equivRel</code> is specified, <code>rel</code> is placed in the same |
| equivalence set. It is OK if <code>equivRel</code> has different traits; |
| <code>rel</code> will end up in a different subset of the same set. |
| |
| <p>It is OK if <code>rel</code> is a subset.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rel</code> - Relational expression to register</dd> |
| <dd><code>equivRel</code> - Relational expression it is equivalent to (may be null)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Registered relational expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isRegistered(org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isRegistered</h4> |
| <pre class="methodSignature">public boolean isRegistered​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../RelOptPlanner.html#isRegistered(org.apache.calcite.rel.RelNode)">RelOptPlanner</a></code></span></div> |
| <div class="block">Determines whether a relational expression has been registered.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rel</code> - expression to test</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether rel has been registered</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="registerMetadataProviders(java.util.List)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>registerMetadataProviders</h4> |
| <pre class="methodSignature">public void registerMetadataProviders​(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="../../rel/metadata/RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a>> list)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../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="../../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="../RelOptPlanner.html#registerMetadataProviders(java.util.List)">registerMetadataProviders</a></code> in interface <code><a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../AbstractRelOptPlanner.html#registerMetadataProviders(java.util.List)">registerMetadataProviders</a></code> in class <code><a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</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> |
| <a id="getRelMetadataTimestamp(org.apache.calcite.rel.RelNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRelMetadataTimestamp</h4> |
| <pre class="methodSignature">public long getRelMetadataTimestamp​(<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../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="../../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="../RelOptPlanner.html#getRelMetadataTimestamp(org.apache.calcite.rel.RelNode)">getRelMetadataTimestamp</a></code> in interface <code><a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../AbstractRelOptPlanner.html#getRelMetadataTimestamp(org.apache.calcite.rel.RelNode)">getRelMetadataTimestamp</a></code> in class <code><a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</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 id="getMaterializations()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMaterializations</h4> |
| <pre class="methodSignature">public com.google.common.collect.ImmutableList<<a href="../RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a>> getMaterializations()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../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="../RelOptPlanner.html#getMaterializations()">getMaterializations</a></code> in interface <code><a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../AbstractRelOptPlanner.html#getMaterializations()">getMaterializations</a></code> in class <code><a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="addMaterialization(org.apache.calcite.plan.RelOptMaterialization)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>addMaterialization</h4> |
| <pre class="methodSignature">public void addMaterialization​(<a href="../RelOptMaterialization.html" title="class in org.apache.calcite.plan">RelOptMaterialization</a> materialization)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../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="../../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="../RelOptPlanner.html#addMaterialization(org.apache.calcite.plan.RelOptMaterialization)">addMaterialization</a></code> in interface <code><a href="../RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../AbstractRelOptPlanner.html#addMaterialization(org.apache.calcite.plan.RelOptMaterialization)">addMaterialization</a></code> in class <code><a href="../AbstractRelOptPlanner.html" title="class in org.apache.calcite.plan">AbstractRelOptPlanner</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </main> |
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