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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.rex</a></div> |
| <h2 title="Class RexOver" class="title">Class RexOver</h2> |
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| <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="RexNode.html" title="class in org.apache.calcite.rex">org.apache.calcite.rex.RexNode</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="RexCall.html" title="class in org.apache.calcite.rex">org.apache.calcite.rex.RexCall</a></li> |
| <li> |
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| <li>org.apache.calcite.rex.RexOver</li> |
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| <pre>public class <span class="typeNameLabel">RexOver</span> |
| extends <a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></pre> |
| <div class="block">Call to an aggregate function over a window.</div> |
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| <h3>Fields inherited from class org.apache.calcite.rex.<a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></h3> |
| <code><a href="RexCall.html#hash">hash</a>, <a href="RexCall.html#nodeCount">nodeCount</a>, <a href="RexCall.html#op">op</a>, <a href="RexCall.html#operands">operands</a>, <a href="RexCall.html#type">type</a></code></li> |
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| <code><a href="RexNode.html#digest">digest</a></code></li> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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><R,​P><br>R</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#accept(org.apache.calcite.rex.RexBiVisitor,P)">accept</a></span>​(<a href="RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a><R,​P> visitor, |
| P arg)</code></th> |
| <td class="colLast"> |
| <div class="block">Accepts a visitor with a payload, dispatching to the right overloaded |
| <a href="RexBiVisitor.html#visitInputRef(org.apache.calcite.rex.RexInputRef,P)"><code>RexBiVisitor.visitInputRef(RexInputRef, Object)</code></a> visitXxx} method.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><R> R</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#accept(org.apache.calcite.rex.RexVisitor)">accept</a></span>​(<a href="RexVisitor.html" title="interface in org.apache.calcite.rex">RexVisitor</a><R> visitor)</code></th> |
| <td class="colLast"> |
| <div class="block">Accepts a visitor, dispatching to the right overloaded |
| <a href="RexVisitor.html#visitInputRef(org.apache.calcite.rex.RexInputRef)"><code>visitXxx</code></a> method.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#clone(org.apache.calcite.rel.type.RelDataType,java.util.List)">clone</a></span>​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| <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="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> operands)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a new call to the same operator with different operands.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>protected <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="#computeDigest(boolean)">computeDigest</a></span>​(boolean withType)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsOver(java.util.List,org.apache.calcite.rex.RexNode)">containsOver</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><? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> exprs, |
| <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> condition)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether an expression list contains an OVER clause.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsOver(org.apache.calcite.rex.RexNode)">containsOver</a></span>​(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> expr)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether an expression contains an OVER clause.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsOver(org.apache.calcite.rex.RexProgram)">containsOver</a></span>​(<a href="RexProgram.html" title="class in org.apache.calcite.rex">RexProgram</a> program)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether a program contains an OVER clause.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>​(<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> o)</code></th> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAggOperator()">getAggOperator</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the aggregate operator for this expression.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="RexWindow.html" title="class in org.apache.calcite.rex">RexWindow</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWindow()">getWindow</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ignoreNulls()">ignoreNulls</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDistinct()">isDistinct</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nodeCount()">nodeCount</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the number of nodes in this expression.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
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| </a> |
| <h3>Methods inherited from class org.apache.calcite.rex.<a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></h3> |
| <code><a href="RexCall.html#appendOperands(java.lang.StringBuilder)">appendOperands</a>, <a href="RexCall.html#getKind()">getKind</a>, <a href="RexCall.html#getOperands()">getOperands</a>, <a href="RexCall.html#getOperator()">getOperator</a>, <a href="RexCall.html#getType()">getType</a>, <a href="RexCall.html#isAlwaysFalse()">isAlwaysFalse</a>, <a href="RexCall.html#isAlwaysTrue()">isAlwaysTrue</a>, <a href="RexCall.html#toString()">toString</a></code></li> |
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| <h3>Methods inherited from class org.apache.calcite.rex.<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></h3> |
| <code><a href="RexNode.html#isA(java.util.Collection)">isA</a>, <a href="RexNode.html#isA(org.apache.calcite.sql.SqlKind)">isA</a></code></li> |
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| <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#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <h3>Method Detail</h3> |
| <a id="getAggOperator()"> |
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| <h4>getAggOperator</h4> |
| <pre class="methodSignature">public <a href="../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a> getAggOperator()</pre> |
| <div class="block">Returns the aggregate operator for this expression.</div> |
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| <h4>getWindow</h4> |
| <pre class="methodSignature">public <a href="RexWindow.html" title="class in org.apache.calcite.rex">RexWindow</a> getWindow()</pre> |
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| <h4>isDistinct</h4> |
| <pre class="methodSignature">public boolean isDistinct()</pre> |
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| <h4>ignoreNulls</h4> |
| <pre class="methodSignature">public boolean ignoreNulls()</pre> |
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| <h4>computeDigest</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/javase/9/docs/api/javax/annotation/Nonnull.html?is-external=true" title="class or interface in javax.annotation" class="externalLink">@Nonnull</a> |
| protected <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> computeDigest​(boolean withType)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="RexCall.html#computeDigest(boolean)">computeDigest</a></code> in class <code><a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></code></dd> |
| </dl> |
| </li> |
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| <h4>accept</h4> |
| <pre class="methodSignature">public <R> R accept​(<a href="RexVisitor.html" title="interface in org.apache.calcite.rex">RexVisitor</a><R> visitor)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="RexNode.html#accept(org.apache.calcite.rex.RexVisitor)">RexNode</a></code></span></div> |
| <div class="block">Accepts a visitor, dispatching to the right overloaded |
| <a href="RexVisitor.html#visitInputRef(org.apache.calcite.rex.RexInputRef)"><code>visitXxx</code></a> method. |
| |
| <p>Also see <a href="RexUtil.html#apply(org.apache.calcite.rex.RexVisitor,java.util.List,org.apache.calcite.rex.RexNode)"><code>RexUtil.apply(RexVisitor, java.util.List, RexNode)</code></a>, |
| which applies a visitor to several expressions simultaneously.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="RexCall.html#accept(org.apache.calcite.rex.RexVisitor)">accept</a></code> in class <code><a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="accept(org.apache.calcite.rex.RexBiVisitor,java.lang.Object)"> |
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| </a><a id="accept(org.apache.calcite.rex.RexBiVisitor,P)"> |
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| <h4>accept</h4> |
| <pre class="methodSignature">public <R,​P> R accept​(<a href="RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a><R,​P> visitor, |
| P arg)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="RexNode.html#accept(org.apache.calcite.rex.RexBiVisitor,P)">RexNode</a></code></span></div> |
| <div class="block">Accepts a visitor with a payload, dispatching to the right overloaded |
| <a href="RexBiVisitor.html#visitInputRef(org.apache.calcite.rex.RexInputRef,P)"><code>RexBiVisitor.visitInputRef(RexInputRef, Object)</code></a> visitXxx} method.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="RexCall.html#accept(org.apache.calcite.rex.RexBiVisitor,P)">accept</a></code> in class <code><a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="nodeCount()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nodeCount</h4> |
| <pre class="methodSignature">public int nodeCount()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="RexNode.html#nodeCount()">RexNode</a></code></span></div> |
| <div class="block">Returns the number of nodes in this expression. |
| |
| <p>Leaf nodes, such as <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> or <a href="RexLiteral.html" title="class in org.apache.calcite.rex"><code>RexLiteral</code></a>, have |
| a count of 1. Calls have a count of 1 plus the sum of their operands. |
| |
| <p>Node count is a measure of expression complexity that is used by some |
| planner rules to prevent deeply nested expressions.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="RexCall.html#nodeCount()">nodeCount</a></code> in class <code><a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="containsOver(org.apache.calcite.rex.RexNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>containsOver</h4> |
| <pre class="methodSignature">public static boolean containsOver​(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> expr)</pre> |
| <div class="block">Returns whether an expression contains an OVER clause.</div> |
| </li> |
| </ul> |
| <a id="containsOver(org.apache.calcite.rex.RexProgram)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>containsOver</h4> |
| <pre class="methodSignature">public static boolean containsOver​(<a href="RexProgram.html" title="class in org.apache.calcite.rex">RexProgram</a> program)</pre> |
| <div class="block">Returns whether a program contains an OVER clause.</div> |
| </li> |
| </ul> |
| <a id="containsOver(java.util.List,org.apache.calcite.rex.RexNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>containsOver</h4> |
| <pre class="methodSignature">public static boolean containsOver​(<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><? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> exprs, |
| <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> condition)</pre> |
| <div class="block">Returns whether an expression list contains an OVER clause.</div> |
| </li> |
| </ul> |
| <a id="clone(org.apache.calcite.rel.type.RelDataType,java.util.List)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clone</h4> |
| <pre class="methodSignature">public <a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a> clone​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| <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="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> operands)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="RexCall.html#clone(org.apache.calcite.rel.type.RelDataType,java.util.List)">RexCall</a></code></span></div> |
| <div class="block">Creates a new call to the same operator with different operands.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="RexCall.html#clone(org.apache.calcite.rel.type.RelDataType,java.util.List)">clone</a></code> in class <code><a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>type</code> - Return type</dd> |
| <dd><code>operands</code> - Operands to call</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>New call</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="equals(java.lang.Object)"> |
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| </a> |
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| <h4>equals</h4> |
| <pre class="methodSignature">public boolean equals​(<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> o)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="RexNode.html#equals(java.lang.Object)">RexNode</a></code></span></div> |
| <div class="block"> |
| |
| <p>Every node must implement <a href="RexNode.html#equals(java.lang.Object)"><code>RexNode.equals(java.lang.Object)</code></a> based on its content</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="RexCall.html#equals(java.lang.Object)">equals</a></code> in class <code><a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="hashCode()"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>hashCode</h4> |
| <pre class="methodSignature">public int hashCode()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="RexNode.html#hashCode()">RexNode</a></code></span></div> |
| <div class="block"> |
| |
| <p>Every node must implement <a href="RexNode.html#hashCode()"><code>RexNode.hashCode()</code></a> consistent with |
| <a href="RexNode.html#equals(java.lang.Object)"><code>RexNode.equals(java.lang.Object)</code></a></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="RexCall.html#hashCode()">hashCode</a></code> in class <code><a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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