Google Git
Sign in
apache / calcite-site / bf7470eb6bf1d52715d1d602e33af45602b82bc0 / . / apidocs / javadocAggregate / org / apache / calcite / plan / hep / HepPlanner.html
blob: 3acd374ecbee77830ba1b6ac258ddca76b5383b0 [file] [log] [blame]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="zh">
<head>
<!-- Generated by javadoc -->
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>HepPlanner (Apache Calcite calcite API)</title>
<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
<script type="text/javascript" src="../../../../../script.js"></script>
</head>
<body>
<script type="text/javascript"><!--
try {
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="HepPlanner (Apache Calcite calcite API)";
}
}
catch(err) {
}
//-->
var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":10,"i11":10,"i12":10,"i13":10,"i14":10,"i15":10};
var tabs = {65535:["t0","所有方法"],2:["t2","实例方法"],8:["t4","具体方法"]};
var altColor = "altColor";
var rowColor = "rowColor";
var tableTab = "tableTab";
var activeTableTab = "activeTableTab";
</script>
<noscript>
<div>您的浏览器已禁用 JavaScript。</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar.top">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.top" title="跳过导航链接">跳过导航链接</a></div>
<a name="navbar.top.firstrow">
<!-- -->
</a>
<ul class="navList" title="导航">
<li><a href="../../../../../overview-summary.html">概览</a></li>
<li><a href="package-summary.html">程序包</a></li>
<li class="navBarCell1Rev">类</li>
<li><a href="package-tree.html">树</a></li>
<li><a href="../../../../../deprecated-list.html">已过时</a></li>
<li><a href="../../../../../index-all.html">索引</a></li>
<li><a href="../../../../../help-doc.html">帮助</a></li>
</ul>
<div class="aboutLanguage"><b>Apache Calcite</b></div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../org/apache/calcite/plan/hep/HepMatchOrder.html" title="org.apache.calcite.plan.hep中的枚举"><span class="typeNameLink">上一个类</span></a></li>
<li><a href="../../../../../org/apache/calcite/plan/hep/HepProgram.html" title="org.apache.calcite.plan.hep中的类"><span class="typeNameLink">下一个类</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../index.html?org/apache/calcite/plan/hep/HepPlanner.html" target="_top">框架</a></li>
<li><a href="HepPlanner.html" target="_top">无框架</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../../allclasses-noframe.html">所有类</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>概要:&nbsp;</li>
<li>嵌套&nbsp;|&nbsp;</li>
<li><a href="#fields.inherited.from.class.org.apache.calcite.plan.AbstractRelOptPlanner">字段</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.summary">构造器</a>&nbsp;|&nbsp;</li>
<li><a href="#method.summary">方法</a></li>
</ul>
<ul class="subNavList">
<li>详细资料:&nbsp;</li>
<li>字段&nbsp;|&nbsp;</li>
<li><a href="#constructor.detail">构造器</a>&nbsp;|&nbsp;</li>
<li><a href="#method.detail">方法</a></li>
</ul>
</div>
<a name="skip.navbar.top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="subTitle">org.apache.calcite.plan.hep</div>
<h2 title="类 HepPlanner" class="title">类 HepPlanner</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">org.apache.calcite.plan.AbstractRelOptPlanner</a></li>
<li>
<ul class="inheritance">
<li>org.apache.calcite.plan.hep.HepPlanner</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>所有已实现的接口:</dt>
<dd><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="typeNameLabel">HepPlanner</span>
extends <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></pre>
<div class="block">HepPlanner is a heuristic implementation of the <a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口"><code>RelOptPlanner</code></a>
interface.</div>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="nested.class.summary">
<!-- -->
</a>
<h3>嵌套类概要</h3>
<ul class="blockList">
<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.calcite.plan.RelOptPlanner">
<!-- -->
</a>
<h3>从接口继承的嵌套类/接口&nbsp;org.apache.calcite.plan.<a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></h3>
<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.CannotPlanException.html" title="org.apache.calcite.plan中的类">RelOptPlanner.CannotPlanException</a>, <a href="../../../../../org/apache/calcite/plan/RelOptPlanner.Executor.html" title="org.apache.calcite.plan中的接口">RelOptPlanner.Executor</a></code></li>
</ul>
</li>
</ul>
<!-- =========== FIELD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.summary">
<!-- -->
</a>
<h3>字段概要</h3>
<ul class="blockList">
<li class="blockList"><a name="fields.inherited.from.class.org.apache.calcite.plan.AbstractRelOptPlanner">
<!-- -->
</a>
<h3>从类继承的字段&nbsp;org.apache.calcite.plan.<a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></h3>
<code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#context">context</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#costFactory">costFactory</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="fields.inherited.from.class.org.apache.calcite.plan.RelOptPlanner">
<!-- -->
</a>
<h3>从接口继承的字段&nbsp;org.apache.calcite.plan.<a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></h3>
<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html#LOGGER">LOGGER</a></code></li>
</ul>
</li>
</ul>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.summary">
<!-- -->
</a>
<h3>构造器概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="构造器概要表, 列表构造器和解释">
<caption><span>构造器</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">构造器和说明</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#HepPlanner-org.apache.calcite.plan.hep.HepProgram-">HepPlanner</a></span>(<a href="../../../../../org/apache/calcite/plan/hep/HepProgram.html" title="org.apache.calcite.plan.hep中的类">HepProgram</a>&nbsp;program)</code>
<div class="block">Creates a new HepPlanner that allows DAG.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#HepPlanner-org.apache.calcite.plan.hep.HepProgram-org.apache.calcite.plan.Context-">HepPlanner</a></span>(<a href="../../../../../org/apache/calcite/plan/hep/HepProgram.html" title="org.apache.calcite.plan.hep中的类">HepProgram</a>&nbsp;program,
<a href="../../../../../org/apache/calcite/plan/Context.html" title="org.apache.calcite.plan中的接口">Context</a>&nbsp;context)</code>
<div class="block">Creates a new HepPlanner that allows DAG.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#HepPlanner-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="../../../../../org/apache/calcite/plan/hep/HepProgram.html" title="org.apache.calcite.plan.hep中的类">HepProgram</a>&nbsp;program,
<a href="../../../../../org/apache/calcite/plan/Context.html" title="org.apache.calcite.plan中的接口">Context</a>&nbsp;context,
boolean&nbsp;noDag,
<a href="../../../../../org/apache/calcite/linq4j/function/Function2.html" title="org.apache.calcite.linq4j.function中的接口">Function2</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="java.lang中的类或接口">Void</a>&gt;&nbsp;onCopyHook,
<a href="../../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="org.apache.calcite.plan中的接口">RelOptCostFactory</a>&nbsp;costFactory)</code>
<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>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method.summary">
<!-- -->
</a>
<h3>方法概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释">
<caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">方法和说明</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#addMaterialization-org.apache.calcite.plan.RelOptMaterialization-">addMaterialization</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="org.apache.calcite.plan中的类">RelOptMaterialization</a>&nbsp;materialization)</code>
<div class="block">Defines a pair of relational expressions that are equivalent.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#addRule-org.apache.calcite.plan.RelOptRule-">addRule</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a>&nbsp;rule)</code>
<div class="block">Registers a rule.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#changeTraits-org.apache.calcite.rel.RelNode-org.apache.calcite.plan.RelTraitSet-">changeTraits</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/plan/RelTraitSet.html" title="org.apache.calcite.plan中的类">RelTraitSet</a>&nbsp;toTraits)</code>
<div class="block">Changes a relational expression to an equivalent one with a different set
of traits.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.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="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#ensureRegistered-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">ensureRegistered</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;equivRel)</code>
<div class="block">Registers a relational expression if it is not already registered.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#findBestExp--">findBestExp</a></span>()</code>
<div class="block">Finds the most efficient expression to implement this query.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="org.apache.calcite.plan中的类">RelOptMaterialization</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#getMaterializations--">getMaterializations</a></span>()</code>
<div class="block">Returns the materializations that have been registered with the planner.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#getRelMetadataTimestamp-org.apache.calcite.rel.RelNode-">getRelMetadataTimestamp</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel)</code>
<div class="block">Gets a timestamp for a given rel's metadata.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#getRoot--">getRoot</a></span>()</code>
<div class="block">Returns the root node of this query.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#getRules--">getRules</a></span>()</code>
<div class="block">Returns the list of all registered rules.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#isRegistered-org.apache.calcite.rel.RelNode-">isRegistered</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel)</code>
<div class="block">Determines whether a relational expression has been registered.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#onCopy-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">onCopy</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;newRel)</code>
<div class="block">Called when a relational expression is copied to a similar expression.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#register-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">register</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;equivRel)</code>
<div class="block">Registers a relational expression in the expression bank.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.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="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataProvider.html" title="org.apache.calcite.rel.metadata中的接口">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="org.apache.calcite.rel.metadata中的接口"><code>RelMetadataProvider</code></a>s in the chain which will be used to answer
metadata queries.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#removeRule-org.apache.calcite.plan.RelOptRule-">removeRule</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a>&nbsp;rule)</code>
<div class="block">Removes a rule.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/plan/hep/HepPlanner.html#setRoot-org.apache.calcite.rel.RelNode-">setRoot</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel)</code>
<div class="block">Sets the root node of this query.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.apache.calcite.plan.AbstractRelOptPlanner">
<!-- -->
</a>
<h3>从类继承的方法&nbsp;org.apache.calcite.plan.<a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></h3>
<code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#addLattice-org.apache.calcite.plan.RelOptLattice-">addLattice</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#addListener-org.apache.calcite.plan.RelOptListener-">addListener</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#addRelTraitDef-org.apache.calcite.plan.RelTraitDef-">addRelTraitDef</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#checkCancel--">checkCancel</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#chooseDelegate--">chooseDelegate</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#clearRelTraitDefs--">clearRelTraitDefs</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#emptyTraitSet--">emptyTraitSet</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#fireRule-org.apache.calcite.plan.RelOptRuleCall-">fireRule</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getContext--">getContext</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getCost-org.apache.calcite.rel.RelNode-">getCost</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getCost-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.metadata.RelMetadataQuery-">getCost</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getCostFactory--">getCostFactory</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getExecutor--">getExecutor</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getLattice-org.apache.calcite.plan.RelOptTable-">getLattice</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getListener--">getListener</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getRelTraitDefs--">getRelTraitDefs</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getRuleByDescription-java.lang.String-">getRuleByDescription</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#isRuleExcluded-org.apache.calcite.plan.RelOptRule-">isRuleExcluded</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#key-org.apache.calcite.rel.RelNode-">key</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#key-java.lang.String-org.apache.calcite.rel.type.RelDataType-">key</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#mapRuleDescription-org.apache.calcite.plan.RelOptRule-">mapRuleDescription</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#notifyChosen-org.apache.calcite.rel.RelNode-">notifyChosen</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#notifyDiscard-org.apache.calcite.rel.RelNode-">notifyDiscard</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#notifyEquivalence-org.apache.calcite.rel.RelNode-java.lang.Object-boolean-">notifyEquivalence</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#notifyTransformation-org.apache.calcite.plan.RelOptRuleCall-org.apache.calcite.rel.RelNode-boolean-">notifyTransformation</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#onNewClass-org.apache.calcite.rel.RelNode-">onNewClass</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#registerClass-org.apache.calcite.rel.RelNode-">registerClass</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#registerSchema-org.apache.calcite.plan.RelOptSchema-">registerSchema</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#setCancelFlag-org.apache.calcite.util.CancelFlag-">setCancelFlag</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#setExecutor-org.apache.calcite.rex.RexExecutor-">setExecutor</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#setImportance-org.apache.calcite.rel.RelNode-double-">setImportance</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#setRuleDescExclusionFilter-java.util.regex.Pattern-">setRuleDescExclusionFilter</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#subClasses-java.lang.Class-">subClasses</a>, <a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#unmapRuleDescription-org.apache.calcite.plan.RelOptRule-">unmapRuleDescription</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- -->
</a>
<h3>从类继承的方法&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.detail">
<!-- -->
</a>
<h3>构造器详细资料</h3>
<a name="HepPlanner-org.apache.calcite.plan.hep.HepProgram-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>HepPlanner</h4>
<pre>public&nbsp;HepPlanner(<a href="../../../../../org/apache/calcite/plan/hep/HepProgram.html" title="org.apache.calcite.plan.hep中的类">HepProgram</a>&nbsp;program)</pre>
<div class="block">Creates a new HepPlanner that allows DAG.</div>
<dl>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>program</code> - program controlling rule application</dd>
</dl>
</li>
</ul>
<a name="HepPlanner-org.apache.calcite.plan.hep.HepProgram-org.apache.calcite.plan.Context-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>HepPlanner</h4>
<pre>public&nbsp;HepPlanner(<a href="../../../../../org/apache/calcite/plan/hep/HepProgram.html" title="org.apache.calcite.plan.hep中的类">HepProgram</a>&nbsp;program,
<a href="../../../../../org/apache/calcite/plan/Context.html" title="org.apache.calcite.plan中的接口">Context</a>&nbsp;context)</pre>
<div class="block">Creates a new HepPlanner that allows DAG.</div>
<dl>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>program</code> - program controlling rule application</dd>
<dd><code>context</code> - to carry while planning</dd>
</dl>
</li>
</ul>
<a name="HepPlanner-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&nbsp;HepPlanner(<a href="../../../../../org/apache/calcite/plan/hep/HepProgram.html" title="org.apache.calcite.plan.hep中的类">HepProgram</a>&nbsp;program,
<a href="../../../../../org/apache/calcite/plan/Context.html" title="org.apache.calcite.plan中的接口">Context</a>&nbsp;context,
boolean&nbsp;noDag,
<a href="../../../../../org/apache/calcite/linq4j/function/Function2.html" title="org.apache.calcite.linq4j.function中的接口">Function2</a>&lt;<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="java.lang中的类或接口">Void</a>&gt;&nbsp;onCopyHook,
<a href="../../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="org.apache.calcite.plan中的接口">RelOptCostFactory</a>&nbsp;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">参数:</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>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- -->
</a>
<h3>方法详细资料</h3>
<a name="setRoot-org.apache.calcite.rel.RelNode-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>setRoot</h4>
<pre>public&nbsp;void&nbsp;setRoot(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/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">参数:</span></dt>
<dd><code>rel</code> - Relational expression</dd>
</dl>
</li>
</ul>
<a name="getRoot--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getRoot</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;getRoot()</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html#getRoot--">RelOptPlanner</a></code></span></div>
<div class="block">Returns the root node of this query.</div>
<dl>
<dt><span class="returnLabel">返回:</span></dt>
<dd>Root node</dd>
</dl>
</li>
</ul>
<a name="getRules--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getRules</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a>&gt;&nbsp;getRules()</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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>
</li>
</ul>
<a name="addRule-org.apache.calcite.plan.RelOptRule-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>addRule</h4>
<pre>public&nbsp;boolean&nbsp;addRule(<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a>&nbsp;rule)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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="org.apache.calcite.rel.convert中的类"><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="returnLabel">返回:</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="java.util中的类或接口"><code>Collection.add(E)</code></a></dd>
</dl>
</li>
</ul>
<a name="clear--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear()</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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">指定者:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html#clear--">clear</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></code></dd>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#clear--">clear</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></code></dd>
</dl>
</li>
</ul>
<a name="removeRule-org.apache.calcite.plan.RelOptRule-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>removeRule</h4>
<pre>public&nbsp;boolean&nbsp;removeRule(<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a>&nbsp;rule)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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="returnLabel">返回:</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="java.util中的类或接口"><code>Collection.remove(Object)</code></a></dd>
</dl>
</li>
</ul>
<a name="changeTraits-org.apache.calcite.rel.RelNode-org.apache.calcite.plan.RelTraitSet-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>changeTraits</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;changeTraits(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/plan/RelTraitSet.html" title="org.apache.calcite.plan中的类">RelTraitSet</a>&nbsp;toTraits)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/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">参数:</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">返回:</span></dt>
<dd>Relational expression with desired traits. Never null, but may be
abstract</dd>
</dl>
</li>
</ul>
<a name="findBestExp--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>findBestExp</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;findBestExp()</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html#findBestExp--">RelOptPlanner</a></code></span></div>
<div class="block">Finds the most efficient expression to implement this query.</div>
</li>
</ul>
<a name="register-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>register</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;register(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;equivRel)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/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="../../../../../org/apache/calcite/plan/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">参数:</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">返回:</span></dt>
<dd>the same expression, or an equivalent existing expression</dd>
</dl>
</li>
</ul>
<a name="onCopy-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>onCopy</h4>
<pre>public&nbsp;void&nbsp;onCopy(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;newRel)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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">指定者:</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;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></code></dd>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#onCopy-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">onCopy</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></code></dd>
</dl>
</li>
</ul>
<a name="ensureRegistered-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.RelNode-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>ensureRegistered</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;ensureRegistered(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel,
<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;equivRel)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/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">参数:</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">返回:</span></dt>
<dd>Registered relational expression</dd>
</dl>
</li>
</ul>
<a name="isRegistered-org.apache.calcite.rel.RelNode-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>isRegistered</h4>
<pre>public&nbsp;boolean&nbsp;isRegistered(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/plan/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">参数:</span></dt>
<dd><code>rel</code> - expression to test</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>whether rel has been registered</dd>
</dl>
</li>
</ul>
<a name="registerMetadataProviders-java.util.List-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<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="java.util中的类或接口">List</a>&lt;<a href="../../../../../org/apache/calcite/rel/metadata/RelMetadataProvider.html" title="org.apache.calcite.rel.metadata中的接口">RelMetadataProvider</a>&gt;&nbsp;list)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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="org.apache.calcite.rel.metadata中的接口"><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">指定者:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html#registerMetadataProviders-java.util.List-">registerMetadataProviders</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></code></dd>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#registerMetadataProviders-java.util.List-">registerMetadataProviders</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>list</code> - receives planner's custom providers, if any</dd>
</dl>
</li>
</ul>
<a name="getRelMetadataTimestamp-org.apache.calcite.rel.RelNode-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getRelMetadataTimestamp</h4>
<pre>public&nbsp;long&nbsp;getRelMetadataTimestamp(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a>&nbsp;rel)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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="org.apache.calcite.rel.metadata中的类"><code>CachingRelMetadataProvider</code></a> to decide whether cached metadata has
gone stale.</div>
<dl>
<dt><span class="overrideSpecifyLabel">指定者:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html#getRelMetadataTimestamp-org.apache.calcite.rel.RelNode-">getRelMetadataTimestamp</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></code></dd>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getRelMetadataTimestamp-org.apache.calcite.rel.RelNode-">getRelMetadataTimestamp</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>rel</code> - rel of interest</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>timestamp of last change which might affect metadata derivation</dd>
</dl>
</li>
</ul>
<a name="getMaterializations--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getMaterializations</h4>
<pre>public&nbsp;com.google.common.collect.ImmutableList&lt;<a href="../../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="org.apache.calcite.plan中的类">RelOptMaterialization</a>&gt;&nbsp;getMaterializations()</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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">指定者:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html#getMaterializations--">getMaterializations</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></code></dd>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#getMaterializations--">getMaterializations</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></code></dd>
</dl>
</li>
</ul>
<a name="addMaterialization-org.apache.calcite.plan.RelOptMaterialization-">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>addMaterialization</h4>
<pre>public&nbsp;void&nbsp;addMaterialization(<a href="../../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="org.apache.calcite.plan中的类">RelOptMaterialization</a>&nbsp;materialization)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&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="org.apache.calcite.rel.logical中的类"><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">指定者:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html#addMaterialization-org.apache.calcite.plan.RelOptMaterialization-">addMaterialization</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></code></dd>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html#addMaterialization-org.apache.calcite.plan.RelOptMaterialization-">addMaterialization</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></code></dd>
</dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
<!-- ========= END OF CLASS DATA ========= -->
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a name="navbar.bottom">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.bottom" title="跳过导航链接">跳过导航链接</a></div>
<a name="navbar.bottom.firstrow">
<!-- -->
</a>
<ul class="navList" title="导航">
<li><a href="../../../../../overview-summary.html">概览</a></li>
<li><a href="package-summary.html">程序包</a></li>
<li class="navBarCell1Rev">类</li>
<li><a href="package-tree.html">树</a></li>
<li><a href="../../../../../deprecated-list.html">已过时</a></li>
<li><a href="../../../../../index-all.html">索引</a></li>
<li><a href="../../../../../help-doc.html">帮助</a></li>
</ul>
<div class="aboutLanguage"><b>Apache Calcite</b></div>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../org/apache/calcite/plan/hep/HepMatchOrder.html" title="org.apache.calcite.plan.hep中的枚举"><span class="typeNameLink">上一个类</span></a></li>
<li><a href="../../../../../org/apache/calcite/plan/hep/HepProgram.html" title="org.apache.calcite.plan.hep中的类"><span class="typeNameLink">下一个类</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../index.html?org/apache/calcite/plan/hep/HepPlanner.html" target="_top">框架</a></li>
<li><a href="HepPlanner.html" target="_top">无框架</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../../allclasses-noframe.html">所有类</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>概要:&nbsp;</li>
<li>嵌套&nbsp;|&nbsp;</li>
<li><a href="#fields.inherited.from.class.org.apache.calcite.plan.AbstractRelOptPlanner">字段</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.summary">构造器</a>&nbsp;|&nbsp;</li>
<li><a href="#method.summary">方法</a></li>
</ul>
<ul class="subNavList">
<li>详细资料:&nbsp;</li>
<li>字段&nbsp;|&nbsp;</li>
<li><a href="#constructor.detail">构造器</a>&nbsp;|&nbsp;</li>
<li><a href="#method.detail">方法</a></li>
</ul>
</div>
<a name="skip.navbar.bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<p class="legalCopy"><small>Copyright &copy; 2012-2020 Apache Software Foundation. All Rights Reserved.</small></p>
</body>
</html>