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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.rel.mutable</a></div> |
| <h1 title="Class MutableRel" class="title">Class MutableRel</h1> |
| </div> |
| <div class="contentContainer"> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a> |
| <div class="inheritance">org.apache.calcite.rel.mutable.MutableRel</div> |
| </div> |
| <section class="description"> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="Holder.html" title="class in org.apache.calcite.rel.mutable">Holder</a></code>, <code><a href="MutableAggregate.html" title="class in org.apache.calcite.rel.mutable">MutableAggregate</a></code>, <code><a href="MutableCalc.html" title="class in org.apache.calcite.rel.mutable">MutableCalc</a></code>, <code><a href="MutableCollect.html" title="class in org.apache.calcite.rel.mutable">MutableCollect</a></code>, <code><a href="MutableCorrelate.html" title="class in org.apache.calcite.rel.mutable">MutableCorrelate</a></code>, <code><a href="MutableExchange.html" title="class in org.apache.calcite.rel.mutable">MutableExchange</a></code>, <code><a href="MutableFilter.html" title="class in org.apache.calcite.rel.mutable">MutableFilter</a></code>, <code><a href="MutableJoin.html" title="class in org.apache.calcite.rel.mutable">MutableJoin</a></code>, <code><a href="MutableMatch.html" title="class in org.apache.calcite.rel.mutable">MutableMatch</a></code>, <code><a href="MutableProject.html" title="class in org.apache.calcite.rel.mutable">MutableProject</a></code>, <code><a href="MutableSample.html" title="class in org.apache.calcite.rel.mutable">MutableSample</a></code>, <code><a href="MutableScan.html" title="class in org.apache.calcite.rel.mutable">MutableScan</a></code>, <code><a href="MutableSetOp.html" title="class in org.apache.calcite.rel.mutable">MutableSetOp</a></code>, <code><a href="MutableSort.html" title="class in org.apache.calcite.rel.mutable">MutableSort</a></code>, <code><a href="MutableTableFunctionScan.html" title="class in org.apache.calcite.rel.mutable">MutableTableFunctionScan</a></code>, <code><a href="MutableTableModify.html" title="class in org.apache.calcite.rel.mutable">MutableTableModify</a></code>, <code><a href="MutableUncollect.html" title="class in org.apache.calcite.rel.mutable">MutableUncollect</a></code>, <code><a href="MutableValues.html" title="class in org.apache.calcite.rel.mutable">MutableValues</a></code>, <code><a href="MutableWindow.html" title="class in org.apache.calcite.rel.mutable">MutableWindow</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">MutableRel</span> |
| extends <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></pre> |
| <div class="block">Mutable equivalent of <a href="../RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a>. |
| |
| <p>Each node has mutable state, and keeps track of its parent and position |
| within parent. |
| It doesn't make sense to canonize <code>MutableRels</code>, |
| otherwise one node could end up with multiple parents. |
| It follows that <code>#hashCode</code> and <code>#equals</code> are less efficient |
| than their <code>RelNode</code> counterparts. |
| But, you don't need to copy a <code>MutableRel</code> in order to change it. |
| For this reason, you should use <code>MutableRel</code> for short-lived |
| operations, and transcribe back to <code>RelNode</code> when you are done.</p></div> |
| </section> |
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| <h2>Field Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cluster">cluster</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ordinalInParent">ordinalInParent</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static com.google.common.base.Equivalence<<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><?>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PAIRWISE_STRING_EQUIVALENCE">PAIRWISE_STRING_EQUIVALENCE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Equivalence that compares <code>Lists</code>s by the |
| <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"><code>Object.toString()</code></a> of their elements.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected @Nullable <a href="MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parent">parent</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rowType">rowType</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static com.google.common.base.Equivalence<<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>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#STRING_EQUIVALENCE">STRING_EQUIVALENCE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Equivalence that compares objects by their <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"><code>Object.toString()</code></a> |
| method.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected org.apache.calcite.rel.mutable.MutableRelType</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#type">type</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <section class="constructorSummary"><a id="constructor.summary"> |
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| </a> |
| <h2>Constructor Summary</h2> |
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| <table> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colSecond" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.plan.RelOptCluster,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.mutable.MutableRelType)">MutableRel</a></span>​(<a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a> cluster, |
| <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType, |
| org.apache.calcite.rel.mutable.MutableRelType type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
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| </section> |
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| <h2>Method Summary</h2> |
| <div class="memberSummary"> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>abstract void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#childrenAccept(org.apache.calcite.rel.mutable.MutableRelVisitor)">childrenAccept</a></span>​(<a href="MutableRelVisitor.html" title="class in org.apache.calcite.rel.mutable">MutableRelVisitor</a> visitor)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>abstract <a href="MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#clone()">clone</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deep()">deep</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>abstract <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#digest(java.lang.StringBuilder)">digest</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a> buf)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code>abstract <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="MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInputs()">getInputs</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code>@Nullable <a href="MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParent()">getParent</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code>@Nullable <a href="MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#replaceInParent(org.apache.calcite.rel.mutable.MutableRel)">replaceInParent</a></span>​(<a href="MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a> child)</code></th> |
| <td class="colLast"> |
| <div class="block">Replaces this <code>MutableRel</code> in its parent with another node at the |
| same position.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i7"> |
| <td class="colFirst"><code>abstract void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setInput(int,org.apache.calcite.rel.mutable.MutableRel)">setInput</a></span>​(int ordinalInParent, |
| <a href="MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a> input)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i8"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#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#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li class="blockList"> |
| <section class="fieldDetails"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h2>Field Details</h2> |
| <ul class="blockList"> |
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| <section class="detail"> |
| <h3><a id="STRING_EQUIVALENCE">STRING_EQUIVALENCE</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected static final</span> <span class="returnType">com.google.common.base.Equivalence<<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>></span> <span class="memberName">STRING_EQUIVALENCE</span></div> |
| <div class="block">Equivalence that compares objects by their <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"><code>Object.toString()</code></a> |
| method.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="PAIRWISE_STRING_EQUIVALENCE">PAIRWISE_STRING_EQUIVALENCE</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected static final</span> <span class="returnType">com.google.common.base.Equivalence<<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><?>></span> <span class="memberName">PAIRWISE_STRING_EQUIVALENCE</span></div> |
| <div class="block">Equivalence that compares <code>Lists</code>s by the |
| <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"><code>Object.toString()</code></a> of their elements.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="cluster">cluster</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType"><a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a></span> <span class="memberName">cluster</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="rowType">rowType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public final</span> <span class="returnType"><a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="memberName">rowType</span></div> |
| </section> |
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| <section class="detail"> |
| <h3><a id="type">type</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected final</span> <span class="returnType">org.apache.calcite.rel.mutable.MutableRelType</span> <span class="memberName">type</span></div> |
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| <div class="memberSignature"><span class="modifiers">protected</span> <span class="returnType">@Nullable <a href="MutableRel.html" title="class in org.apache.calcite.rel.mutable">MutableRel</a></span> <span class="memberName">parent</span></div> |
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| <div class="memberSignature"><span class="modifiers">protected</span> <span class="memberName">MutableRel</span>​(<span class="arguments"><a href="../../plan/RelOptCluster.html" title="class in org.apache.calcite.plan">RelOptCluster</a> cluster, |
| <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType, |
| org.apache.calcite.rel.mutable.MutableRelType type)</span></div> |
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| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><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></code> in class <code><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></code></dd> |
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| <div class="block">Replaces this <code>MutableRel</code> in its parent with another node at the |
| same position. |
| |
| <p>Before the method, <code>child</code> must be an orphan (have null parent) |
| and after this method, this <code>MutableRel</code> is an orphan.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The parent</dd> |
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