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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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| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</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> |
| <ul class="inheritance"> |
| <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> |
| </li> |
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| <h3>Nested Class Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexOver.Finder.html" title="class in org.apache.calcite.rex">RexOver.Finder</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Visitor which detects a <a href="RexOver.html" title="class in org.apache.calcite.rex"><code>RexOver</code></a> inside a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> |
| expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexOver.OverFound.html" title="class in org.apache.calcite.rex">RexOver.OverFound</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Exception thrown when an OVER is found.</div> |
| </td> |
| </tr> |
| </table> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#distinct">distinct</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static <a href="RexOver.Finder.html" title="class in org.apache.calcite.rex">RexOver.Finder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#FINDER">FINDER</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private 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 class="rowColor"> |
| <td class="colFirst"><code>private <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="#window">window</a></span></code></th> |
| <td class="colLast"> </td> |
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| </a> |
| <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#op">op</a>, <a href="RexCall.html#operands">operands</a>, <a href="RexCall.html#type">type</a></code></li> |
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| <h3>Fields 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#digest">digest</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.SqlAggFunction,java.util.List,org.apache.calcite.rex.RexWindow,boolean,boolean)">RexOver</a></span>​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| <a href="../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a> op, |
| java.util.List<<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> operands, |
| <a href="RexWindow.html" title="class in org.apache.calcite.rex">RexWindow</a> window, |
| boolean distinct, |
| boolean ignoreNulls)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a RexOver.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <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, |
| java.util.List<<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 java.lang.String</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>​(java.util.List<<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><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="i8" class="altColor"> |
| <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="i9" 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="i10" 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> |
| </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#equals(java.lang.Object)">equals</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#hashCode()">hashCode</a>, <a href="RexCall.html#isAlwaysFalse()">isAlwaysFalse</a>, <a href="RexCall.html#isAlwaysTrue()">isAlwaysTrue</a>, <a href="RexCall.html#toString()">toString</a></code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.rex.RexNode"> |
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| </a> |
| <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> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| </a> |
| <h3>Field Detail</h3> |
| <a id="FINDER"> |
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| </a> |
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| <li class="blockList"> |
| <h4>FINDER</h4> |
| <pre>private static final <a href="RexOver.Finder.html" title="class in org.apache.calcite.rex">RexOver.Finder</a> FINDER</pre> |
| </li> |
| </ul> |
| <a id="window"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>window</h4> |
| <pre>private final <a href="RexWindow.html" title="class in org.apache.calcite.rex">RexWindow</a> window</pre> |
| </li> |
| </ul> |
| <a id="distinct"> |
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| </a> |
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| <h4>distinct</h4> |
| <pre>private final boolean distinct</pre> |
| </li> |
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| </a> |
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| <h4>ignoreNulls</h4> |
| <pre>private final boolean ignoreNulls</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.SqlAggFunction,java.util.List,org.apache.calcite.rex.RexWindow,boolean,boolean)"> |
| <!-- --> |
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| <h4>RexOver</h4> |
| <pre>RexOver​(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| <a href="../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a> op, |
| java.util.List<<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> operands, |
| <a href="RexWindow.html" title="class in org.apache.calcite.rex">RexWindow</a> window, |
| boolean distinct, |
| boolean ignoreNulls)</pre> |
| <div class="block">Creates a RexOver. |
| |
| <p>For example, "SUM(DISTINCT x) OVER (ROWS 3 PRECEDING)" is represented |
| as: |
| |
| <ul> |
| <li>type = Integer, |
| <li>op = <a href="../sql/fun/SqlStdOperatorTable.html#SUM"><code>SqlStdOperatorTable.SUM</code></a>, |
| <li>operands = { <a href="RexFieldAccess.html" title="class in org.apache.calcite.rex"><code>RexFieldAccess</code></a>("x") } |
| <li>window = <a href="../sql/SqlWindow.html" title="class in org.apache.calcite.sql"><code>SqlWindow</code></a>(ROWS 3 PRECEDING) |
| </ul></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>type</code> - Result type</dd> |
| <dd><code>op</code> - Aggregate operator</dd> |
| <dd><code>operands</code> - Operands list</dd> |
| <dd><code>window</code> - Window specification</dd> |
| <dd><code>distinct</code> - Aggregate operator is applied on distinct elements</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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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> |
| </li> |
| </ul> |
| <a id="getWindow()"> |
| <!-- --> |
| </a> |
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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> |
| </li> |
| </ul> |
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| <h4>isDistinct</h4> |
| <pre class="methodSignature">public boolean isDistinct()</pre> |
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| <pre class="methodSignature">public boolean ignoreNulls()</pre> |
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| <h4>computeDigest</h4> |
| <pre class="methodSignature">@Nonnull |
| protected java.lang.String 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> |
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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> |
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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> |
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| <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> |
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| <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> |
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| <h4>containsOver</h4> |
| <pre class="methodSignature">public static boolean containsOver​(java.util.List<<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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| <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, |
| java.util.List<<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> |
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