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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.rex</a></div>
<h2 title="Class LogicVisitor" class="title">Class LogicVisitor</h2>
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<ul class="inheritance">
<li><a href="RexBiVisitorImpl.html" title="class in org.apache.calcite.rex">org.apache.calcite.rex.RexBiVisitorImpl</a>&lt;R,&#8203;R&gt;</li>
<li>
<ul class="inheritance">
<li><a href="RexUnaryBiVisitor.html" title="class in org.apache.calcite.rex">org.apache.calcite.rex.RexUnaryBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</li>
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<li>org.apache.calcite.rex.LogicVisitor</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>,&#8203;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
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<pre>public class <span class="typeNameLabel">LogicVisitor</span>
extends <a href="RexUnaryBiVisitor.html" title="class in org.apache.calcite.rex">RexUnaryBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</pre>
<div class="block">Visitor pattern for traversing a tree of <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> objects.</div>
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<h3>Fields inherited from class&nbsp;org.apache.calcite.rex.<a href="RexBiVisitorImpl.html" title="class in org.apache.calcite.rex">RexBiVisitorImpl</a></h3>
<code><a href="RexBiVisitorImpl.html#deep">deep</a></code></li>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#collect(org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode,org.apache.calcite.plan.RelOptUtil.Logic,java.util.List)">collect</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;seek,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;logic,
<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>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;&nbsp;logicList)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected <a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#end(org.apache.calcite.rex.RexNode,org.apache.calcite.plan.RelOptUtil.Logic)">end</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;arg)</code></th>
<td class="colLast">
<div class="block">Called as the last action of, and providing the result for,
each <code>visitXxx</code> method; derived classes may override.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static <a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#find(org.apache.calcite.plan.RelOptUtil.Logic,java.util.List,org.apache.calcite.rex.RexNode)">find</a></span>&#8203;(<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;logic,
<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>&lt;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes,
<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;seek)</code></th>
<td class="colLast">
<div class="block">Finds a suitable logic for evaluating <code>seek</code> within a list of
expressions.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visitCall(org.apache.calcite.rex.RexCall,org.apache.calcite.plan.RelOptUtil.Logic)">visitCall</a></span>&#8203;(<a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;logic)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visitFieldAccess(org.apache.calcite.rex.RexFieldAccess,org.apache.calcite.plan.RelOptUtil.Logic)">visitFieldAccess</a></span>&#8203;(<a href="RexFieldAccess.html" title="class in org.apache.calcite.rex">RexFieldAccess</a>&nbsp;fieldAccess,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;arg)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visitOver(org.apache.calcite.rex.RexOver,org.apache.calcite.plan.RelOptUtil.Logic)">visitOver</a></span>&#8203;(<a href="RexOver.html" title="class in org.apache.calcite.rex">RexOver</a>&nbsp;over,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;arg)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visitSubQuery(org.apache.calcite.rex.RexSubQuery,org.apache.calcite.plan.RelOptUtil.Logic)">visitSubQuery</a></span>&#8203;(<a href="RexSubQuery.html" title="class in org.apache.calcite.rex">RexSubQuery</a>&nbsp;subQuery,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;arg)</code></th>
<td class="colLast">&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.calcite.rex.<a href="RexUnaryBiVisitor.html" title="class in org.apache.calcite.rex">RexUnaryBiVisitor</a></h3>
<code><a href="RexUnaryBiVisitor.html#visitCorrelVariable(org.apache.calcite.rex.RexCorrelVariable,R)">visitCorrelVariable</a>, <a href="RexUnaryBiVisitor.html#visitDynamicParam(org.apache.calcite.rex.RexDynamicParam,R)">visitDynamicParam</a>, <a href="RexUnaryBiVisitor.html#visitInputRef(org.apache.calcite.rex.RexInputRef,R)">visitInputRef</a>, <a href="RexUnaryBiVisitor.html#visitLiteral(org.apache.calcite.rex.RexLiteral,R)">visitLiteral</a>, <a href="RexUnaryBiVisitor.html#visitLocalRef(org.apache.calcite.rex.RexLocalRef,R)">visitLocalRef</a>, <a href="RexUnaryBiVisitor.html#visitPatternFieldRef(org.apache.calcite.rex.RexPatternFieldRef,R)">visitPatternFieldRef</a>, <a href="RexUnaryBiVisitor.html#visitRangeRef(org.apache.calcite.rex.RexRangeRef,R)">visitRangeRef</a>, <a href="RexUnaryBiVisitor.html#visitTableInputRef(org.apache.calcite.rex.RexTableInputRef,R)">visitTableInputRef</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.calcite.rex.<a href="RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a></h3>
<code><a href="RexBiVisitor.html#visitEach(java.lang.Iterable,P)">visitEach</a>, <a href="RexBiVisitor.html#visitEachIndexed(java.lang.Iterable)">visitEachIndexed</a>, <a href="RexBiVisitor.html#visitList(java.lang.Iterable,P)">visitList</a>, <a href="RexBiVisitor.html#visitList(java.lang.Iterable,P,java.util.List)">visitList</a></code></li>
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<h3>Method Detail</h3>
<a id="find(org.apache.calcite.plan.RelOptUtil.Logic,java.util.List,org.apache.calcite.rex.RexNode)">
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<h4>find</h4>
<pre class="methodSignature">public static&nbsp;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;find&#8203;(<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;logic,
<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>&lt;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes,
<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;seek)</pre>
<div class="block">Finds a suitable logic for evaluating <code>seek</code> within a list of
expressions.
<p>Chooses a logic that is safe (that is, gives the right
answer) with the fewest possibilities (that is, we prefer one that
returns [true as true, false as false, unknown as false] over one that
distinguishes false from unknown).</div>
</li>
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<h4>collect</h4>
<pre class="methodSignature">public static&nbsp;void&nbsp;collect&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;seek,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;logic,
<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>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;&nbsp;logicList)</pre>
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<h4>visitCall</h4>
<pre class="methodSignature">public&nbsp;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;visitCall&#8203;(<a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;logic)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="RexBiVisitor.html#visitCall(org.apache.calcite.rex.RexCall,P)">visitCall</a></code>&nbsp;in interface&nbsp;<code><a href="RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>,&#8203;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="RexUnaryBiVisitor.html#visitCall(org.apache.calcite.rex.RexCall,R)">visitCall</a></code>&nbsp;in class&nbsp;<code><a href="RexUnaryBiVisitor.html" title="class in org.apache.calcite.rex">RexUnaryBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
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<h4>end</h4>
<pre class="methodSignature">protected&nbsp;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;end&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;arg)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="RexUnaryBiVisitor.html#end(org.apache.calcite.rex.RexNode,R)">RexUnaryBiVisitor</a></code></span></div>
<div class="block">Called as the last action of, and providing the result for,
each <code>visitXxx</code> method; derived classes may override.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="RexUnaryBiVisitor.html#end(org.apache.calcite.rex.RexNode,R)">end</a></code>&nbsp;in class&nbsp;<code><a href="RexUnaryBiVisitor.html" title="class in org.apache.calcite.rex">RexUnaryBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
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<h4>visitOver</h4>
<pre class="methodSignature">public&nbsp;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;visitOver&#8203;(<a href="RexOver.html" title="class in org.apache.calcite.rex">RexOver</a>&nbsp;over,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;arg)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="RexBiVisitor.html#visitOver(org.apache.calcite.rex.RexOver,P)">visitOver</a></code>&nbsp;in interface&nbsp;<code><a href="RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>,&#8203;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="RexUnaryBiVisitor.html#visitOver(org.apache.calcite.rex.RexOver,R)">visitOver</a></code>&nbsp;in class&nbsp;<code><a href="RexUnaryBiVisitor.html" title="class in org.apache.calcite.rex">RexUnaryBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
</dl>
</li>
</ul>
<a id="visitFieldAccess(org.apache.calcite.rex.RexFieldAccess,org.apache.calcite.plan.RelOptUtil.Logic)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>visitFieldAccess</h4>
<pre class="methodSignature">public&nbsp;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;visitFieldAccess&#8203;(<a href="RexFieldAccess.html" title="class in org.apache.calcite.rex">RexFieldAccess</a>&nbsp;fieldAccess,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;arg)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="RexBiVisitor.html#visitFieldAccess(org.apache.calcite.rex.RexFieldAccess,P)">visitFieldAccess</a></code>&nbsp;in interface&nbsp;<code><a href="RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>,&#8203;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="RexUnaryBiVisitor.html#visitFieldAccess(org.apache.calcite.rex.RexFieldAccess,R)">visitFieldAccess</a></code>&nbsp;in class&nbsp;<code><a href="RexUnaryBiVisitor.html" title="class in org.apache.calcite.rex">RexUnaryBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
</dl>
</li>
</ul>
<a id="visitSubQuery(org.apache.calcite.rex.RexSubQuery,org.apache.calcite.plan.RelOptUtil.Logic)">
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</a>
<ul class="blockListLast">
<li class="blockList">
<h4>visitSubQuery</h4>
<pre class="methodSignature">public&nbsp;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;visitSubQuery&#8203;(<a href="RexSubQuery.html" title="class in org.apache.calcite.rex">RexSubQuery</a>&nbsp;subQuery,
<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&nbsp;arg)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="RexBiVisitor.html#visitSubQuery(org.apache.calcite.rex.RexSubQuery,P)">visitSubQuery</a></code>&nbsp;in interface&nbsp;<code><a href="RexBiVisitor.html" title="interface in org.apache.calcite.rex">RexBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>,&#8203;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="RexUnaryBiVisitor.html#visitSubQuery(org.apache.calcite.rex.RexSubQuery,R)">visitSubQuery</a></code>&nbsp;in class&nbsp;<code><a href="RexUnaryBiVisitor.html" title="class in org.apache.calcite.rex">RexUnaryBiVisitor</a>&lt;<a href="../plan/RelOptUtil.Logic.html" title="enum in org.apache.calcite.plan">RelOptUtil.Logic</a>&gt;</code></dd>
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