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 <div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.rex</a></div>
 <h1 title="Class RexUtil" class="title">Class RexUtil</h1>
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 <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.rex.RexUtil</div>
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 <section class="description">
 <hr>
 <pre>public class <span class="typeNameLabel">RexUtil</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">Utility methods concerning row-expressions.</div>
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 <table>
 <caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
 <thead>
 <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>
 </thead>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexUtil.ExprSimplifier.html" title="class in org.apache.calcite.rex">RexUtil.ExprSimplifier</a></span></code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexUtil.FieldAccessFinder.html" title="class in org.apache.calcite.rex">RexUtil.FieldAccessFinder</a></span></code></th>
 <td class="colLast">
 <div class="block">Visitor which builds a bitmap of the inputs used by an expression.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexUtil.FixNullabilityShuttle.html" title="class in org.apache.calcite.rex">RexUtil.FixNullabilityShuttle</a></span></code></th>
 <td class="colLast">
 <div class="block">Shuttle that fixes up an expression to match changes in nullability of
  input fields.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexUtil.RexFinder.html" title="class in org.apache.calcite.rex">RexUtil.RexFinder</a></span></code></th>
 <td class="colLast">
 <div class="block">Visitor that tells whether a node matching a particular description exists
  in a tree.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexUtil.SubQueryFinder.html" title="class in org.apache.calcite.rex">RexUtil.SubQueryFinder</a></span></code></th>
 <td class="colLast">
 <div class="block">Visitor that throws <a href="../util/Util.FoundOne.html" title="class in org.apache.calcite.util"><code>Util.FoundOne</code></a> if
  applied to an expression that contains a <a href="RexSubQuery.html" title="class in org.apache.calcite.rex"><code>RexSubQuery</code></a>.</div>
 </td>
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 <caption><span>Fields</span><span class="tabEnd">&nbsp;</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>static <a href="RexExecutor.html" title="interface in org.apache.calcite.rex">RexExecutor</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#EXECUTOR">EXECUTOR</a></span></code></th>
 <td class="colLast">
 <div class="block">Executor for a bit of constant reduction.</div>
 </td>
 </tr>
 </tbody>
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 <h2>Method Summary</h2>
 <div class="memberSummary">
 <div role="tablist" aria-orientation="horizontal"><button role="tab" aria-selected="true" aria-controls="memberSummary_tabpanel" tabindex="0" onkeydown="switchTab(event)" id="t0" class="activeTableTab">All Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t1" class="tableTab" onclick="show(1);">Static Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t4" class="tableTab" onclick="show(8);">Concrete Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t6" class="tableTab" onclick="show(32);">Deprecated Methods</button></div>
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 <table aria-labelledby="t0">
 <thead>
 <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>
 </thead>
 <tbody>
 <tr class="altColor" id="i0">
 <td class="colFirst"><code>static &lt;E&gt;&nbsp;boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#all(java.util.List,org.apache.calcite.linq4j.function.Predicate1)">all</a></span>&#8203;(<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;? extends E&gt;&nbsp;list,
 <a href="../linq4j/function/Predicate1.html" title="interface in org.apache.calcite.linq4j.function">Predicate1</a>&lt;E&gt;&nbsp;predicate)</code></th>
 <td class="colLast">
 <div class="block">Returns whether <code>predicate</code> is true for all elements of
  <code>list</code>.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i1">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#allLiterals(java.util.List)">allLiterals</a></span>&#8203;(<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;expressionOperands)</code></th>
 <td class="colLast">
 <div class="block">Returns whether every expression in a list is a literal.</div>
 </td>
 </tr>
 <tr class="altColor" id="i2">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#andNot(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,java.lang.Iterable)">andNot</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;notTerms)</code></th>
 <td class="colLast">
 <div class="block">Creates the expression <code>e1 AND NOT notTerm1 AND NOT notTerm2 ...</code>.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i3">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#andNot(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode...)">andNot</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>...&nbsp;notTerms)</code></th>
 <td class="colLast">
 <div class="block">Creates the expression <code>e1 AND NOT notTerm1 AND NOT notTerm2 ...</code>.</div>
 </td>
 </tr>
 <tr class="altColor" id="i4">
 <td class="colFirst"><code>static void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.rex.RexVisitor,java.util.List,org.apache.calcite.rex.RexNode)">apply</a></span>&#8203;(<a href="RexVisitor.html" title="interface in org.apache.calcite.rex">RexVisitor</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang" class="externalLink">Void</a>&gt;&nbsp;visitor,
 <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;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;expr)</code></th>
 <td class="colLast">
 <div class="block">Applies a visitor to a list of expressions and, if specified, a single
  expression.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i5">
 <td class="colFirst"><code>static void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.rex.RexVisitor,org.apache.calcite.rex.RexNode%5B%5D,org.apache.calcite.rex.RexNode)">apply</a></span>&#8203;(<a href="RexVisitor.html" title="interface in org.apache.calcite.rex">RexVisitor</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang" class="externalLink">Void</a>&gt;&nbsp;visitor,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>[]&nbsp;exprs,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;expr)</code></th>
 <td class="colLast">
 <div class="block">Applies a visitor to an array of expressions and, if specified, a single
  expression.</div>
 </td>
 </tr>
 <tr class="altColor" id="i6">
 <td class="colFirst"><code>static &lt;T extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;<br>T[]</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.rex.RexVisitor,T%5B%5D)">apply</a></span>&#8203;(<a href="RexVisitor.html" title="interface in org.apache.calcite.rex">RexVisitor</a>&lt;T&gt;&nbsp;shuttle,
 T[]&nbsp;exprs)</code></th>
 <td class="colLast">
 <div class="block">Applies a shuttle to an array of expressions.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i7">
 <td class="colFirst"><code>static <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;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.util.mapping.Mappings.TargetMapping,java.lang.Iterable)">apply</a></span>&#8203;(<a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a>&nbsp;mapping,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes)</code></th>
 <td class="colLast">
 <div class="block">Applies a mapping to an iterable over expressions.</div>
 </td>
 </tr>
 <tr class="altColor" id="i8">
 <td class="colFirst"><code>static <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="../rel/RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.util.mapping.Mappings.TargetMapping,java.util.List)">apply</a></span>&#8203;(<a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a>&nbsp;mapping,
 <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="../rel/RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>&gt;&nbsp;collationList)</code></th>
 <td class="colLast">
 <div class="block">Applies a mapping to a collation list.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i9">
 <td class="colFirst"><code>static <a href="../rel/RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.util.mapping.Mappings.TargetMapping,org.apache.calcite.rel.RelCollation)">apply</a></span>&#8203;(<a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a>&nbsp;mapping,
 <a href="../rel/RelCollation.html" title="interface in org.apache.calcite.rel">RelCollation</a>&nbsp;collation)</code></th>
 <td class="colLast">
 <div class="block">Applies a mapping to a collation.</div>
 </td>
 </tr>
 <tr class="altColor" id="i10">
 <td class="colFirst"><code>static <a href="../rel/RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.util.mapping.Mappings.TargetMapping,org.apache.calcite.rel.RelFieldCollation)">apply</a></span>&#8203;(<a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a>&nbsp;mapping,
 <a href="../rel/RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>&nbsp;fieldCollation)</code></th>
 <td class="colLast">
 <div class="block">Applies a mapping to a field collation.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i11">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.util.mapping.Mappings.TargetMapping,org.apache.calcite.rex.RexNode)">apply</a></span>&#8203;(<a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a>&nbsp;mapping,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Applies a mapping to an expression.</div>
 </td>
 </tr>
 <tr class="altColor" id="i12">
 <td class="colFirst"><code>static <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="../rel/RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#applyFields(org.apache.calcite.util.mapping.Mappings.TargetMapping,java.util.List)">applyFields</a></span>&#8203;(<a href="../util/mapping/Mappings.TargetMapping.html" title="interface in org.apache.calcite.util.mapping">Mappings.TargetMapping</a>&nbsp;mapping,
 <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="../rel/RelFieldCollation.html" title="class in org.apache.calcite.rel">RelFieldCollation</a>&gt;&nbsp;fieldCollations)</code></th>
 <td class="colLast">
 <div class="block">Applies a mapping to a list of field collations.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i13">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#canReinterpretOverflow(org.apache.calcite.rex.RexCall)">canReinterpretOverflow</a></span>&#8203;(<a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor" id="i14">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#compatibleTypes(java.util.List,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.util.Litmus)">compatibleTypes</a></span>&#8203;(<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;exprs,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type,
 <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether the type of an array of expressions is compatible with a
  struct type.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i15">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#composeConjunction(org.apache.calcite.rex.RexBuilder,java.lang.Iterable)">composeConjunction</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes)</code></th>
 <td class="colLast">
 <div class="block">As <a href="#composeConjunction(org.apache.calcite.rex.RexBuilder,java.lang.Iterable,boolean)"><code>composeConjunction(RexBuilder, Iterable, boolean)</code></a> but never
  returns null.</div>
 </td>
 </tr>
 <tr class="altColor" id="i16">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#composeConjunction(org.apache.calcite.rex.RexBuilder,java.lang.Iterable,boolean)">composeConjunction</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes,
 boolean&nbsp;nullOnEmpty)</code></th>
 <td class="colLast">
 <div class="block">Converts a collection of expressions into an AND.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i17">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#composeDisjunction(org.apache.calcite.rex.RexBuilder,java.lang.Iterable)">composeDisjunction</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes)</code></th>
 <td class="colLast">
 <div class="block">Converts a collection of expressions into an OR.</div>
 </td>
 </tr>
 <tr class="altColor" id="i18">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#composeDisjunction(org.apache.calcite.rex.RexBuilder,java.lang.Iterable,boolean)">composeDisjunction</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes,
 boolean&nbsp;nullOnEmpty)</code></th>
 <td class="colLast">
 <div class="block">Converts a collection of expressions into an OR,
  optionally returning null if the list is empty.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i19">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containComplexExprs(java.util.List)">containComplexExprs</a></span>&#8203;(<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;exprs)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a list of expressions contains complex expressions, that
  is, a call whose arguments are not <a href="RexVariable.html" title="class in org.apache.calcite.rex"><code>RexVariable</code></a> (or a subtype 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>.</div>
 </td>
 </tr>
 <tr class="altColor" id="i20">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containIdentity(java.util.List,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.util.Litmus)">containIdentity</a></span>&#8203;(<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;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rowType,
 <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether the leading edge of a given array of expressions is
  wholly <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> objects with types corresponding to the
  underlying datatype.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i21">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containNoCommonExprs(java.util.List,org.apache.calcite.util.Litmus)">containNoCommonExprs</a></span>&#8203;(<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;exprs,
 <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether an array of expressions has any common sub-expressions.</div>
 </td>
 </tr>
 <tr class="altColor" id="i22">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containNoForwardRefs(java.util.List,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.util.Litmus)">containNoForwardRefs</a></span>&#8203;(<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;exprs,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;inputRowType,
 <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether an array of expressions contains no forward references.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i23">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsCorrelation(org.apache.calcite.rex.RexNode)">containsCorrelation</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition)</code></th>
 <td class="colLast">
 <div class="block">Returns whether an expression contains a <a href="RexCorrelVariable.html" title="class in org.apache.calcite.rex"><code>RexCorrelVariable</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor" id="i24">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsFieldAccess(org.apache.calcite.rex.RexNode)">containsFieldAccess</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a given tree contains any
  <a href="RexFieldAccess.html" title="class in org.apache.calcite.rex"><code>RexFieldAccess</code></a> nodes.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i25">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsInputRef(org.apache.calcite.rex.RexNode)">containsInputRef</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a given tree contains any {link RexInputRef} nodes.</div>
 </td>
 </tr>
 <tr class="altColor" id="i26">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsTableInputRef(java.util.List)">containsTableInputRef</a></span>&#8203;(<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)</code></th>
 <td class="colLast">
 <div class="block">Returns whether any of the given expression trees contains a
  {link RexTableInputRef} node.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i27">
 <td class="colFirst"><code>static <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsTableInputRef(org.apache.calcite.rex.RexNode)">containsTableInputRef</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a given tree contains any {link RexTableInputRef} nodes.</div>
 </td>
 </tr>
 <tr class="altColor" id="i28">
 <td class="colFirst"><code>static <a href="../rel/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="#createStructType(org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List,java.util.List)">createStructType</a></span>&#8203;(<a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
 <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;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
 <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="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>&gt;&nbsp;names)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="rowColor" id="i29">
 <td class="colFirst"><code>static <a href="../rel/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="#createStructType(org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List,java.util.List,org.apache.calcite.sql.validate.SqlValidatorUtil.Suggester)">createStructType</a></span>&#8203;(<a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
 <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;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
 <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="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>&gt;&nbsp;names,
 <a href="../sql/validate/SqlValidatorUtil.Suggester.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorUtil.Suggester</a>&nbsp;suggester)</code></th>
 <td class="colLast">
 <div class="block">Creates a record type with specified field names.</div>
 </td>
 </tr>
 <tr class="altColor" id="i30">
 <td class="colFirst"><code>static <a href="../rel/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="#createStructType(org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List)">createStructType</a></span>&#8203;(<a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
 <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;exprs)</code></th>
 <td class="colLast">
 <div class="block">Creates a record type with anonymous field names.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i31">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#eq(org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode)">eq</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e1,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e2)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="altColor" id="i32">
 <td class="colFirst"><code>static &lt;E&gt;&nbsp;boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#exists(java.util.List,org.apache.calcite.linq4j.function.Predicate1)">exists</a></span>&#8203;(<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;? extends E&gt;&nbsp;list,
 <a href="../linq4j/function/Predicate1.html" title="interface in org.apache.calcite.linq4j.function">Predicate1</a>&lt;E&gt;&nbsp;predicate)</code></th>
 <td class="colLast">
 <div class="block">Returns whether there is an element in <code>list</code> for which
  <code>predicate</code> is true.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i33">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expandSearch(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexProgram,org.apache.calcite.rex.RexNode)">expandSearch</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexProgram.html" title="class in org.apache.calcite.rex">RexProgram</a>&nbsp;program,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor" id="i34">
 <td class="colFirst"><code>static <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="../rel/type/RelDataTypeFamily.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFamily</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#families(java.util.List)">families</a></span>&#8203;(<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="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;types)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor" id="i35">
 <td class="colFirst"><code>static <a href="RexUtil.RexFinder.html" title="class in org.apache.calcite.rex">RexUtil.RexFinder</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#find(java.util.Set)">find</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="../sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>&gt;&nbsp;kinds)</code></th>
 <td class="colLast">
 <div class="block">Returns a visitor that finds nodes of given <a href="../sql/SqlKind.html" title="enum in org.apache.calcite.sql"><code>SqlKind</code></a>s.</div>
 </td>
 </tr>
 <tr class="altColor" id="i36">
 <td class="colFirst"><code>static <a href="RexUtil.RexFinder.html" title="class in org.apache.calcite.rex">RexUtil.RexFinder</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#find(org.apache.calcite.rex.RexInputRef)">find</a></span>&#8203;(<a href="RexInputRef.html" title="class in org.apache.calcite.rex">RexInputRef</a>&nbsp;ref)</code></th>
 <td class="colLast">
 <div class="block">Returns a visitor that finds a particular <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a>.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i37">
 <td class="colFirst"><code>static <a href="RexUtil.RexFinder.html" title="class in org.apache.calcite.rex">RexUtil.RexFinder</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#find(org.apache.calcite.sql.SqlKind)">find</a></span>&#8203;(<a href="../sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>&nbsp;kind)</code></th>
 <td class="colLast">
 <div class="block">Returns a visitor that finds nodes of a given <a href="../sql/SqlKind.html" title="enum in org.apache.calcite.sql"><code>SqlKind</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor" id="i38">
 <td class="colFirst"><code>static <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="#findOperatorCall(org.apache.calcite.sql.SqlOperator,org.apache.calcite.rex.RexNode)">findOperatorCall</a></span>&#8203;(<a href="../sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a>&nbsp;operator,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a given node contains a RexCall with a specified operator.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i39">
 <td class="colFirst"><code>static <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;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fixUp(org.apache.calcite.rex.RexBuilder,java.util.List,java.util.List)">fixUp</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <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="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="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;fieldTypes)</code></th>
 <td class="colLast">
 <div class="block">Fixes up the type of all <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a>s in an
  expression to match differences in nullability.</div>
 </td>
 </tr>
 <tr class="altColor" id="i40">
 <td class="colFirst"><code>static <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;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fixUp(org.apache.calcite.rex.RexBuilder,java.util.List,org.apache.calcite.rel.type.RelDataType)">fixUp</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <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="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rowType)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="rowColor" id="i41">
 <td class="colFirst"><code>static <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;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flatten(java.util.List,org.apache.calcite.sql.SqlOperator)">flatten</a></span>&#8203;(<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;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exprs,
 <a href="../sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a>&nbsp;op)</code></th>
 <td class="colLast">
 <div class="block">Converts a list of operands into a list that is flat with respect to
  the given operator.</div>
 </td>
 </tr>
 <tr class="altColor" id="i42">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flatten(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode)">flatten</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Flattens an expression.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i43">
 <td class="colFirst"><code>static com.google.common.collect.ImmutableList&lt;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenAnd(java.lang.Iterable)">flattenAnd</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes)</code></th>
 <td class="colLast">
 <div class="block">Flattens a list of AND nodes.</div>
 </td>
 </tr>
 <tr class="altColor" id="i44">
 <td class="colFirst"><code>static com.google.common.collect.ImmutableList&lt;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenOr(java.lang.Iterable)">flattenOr</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes)</code></th>
 <td class="colLast">
 <div class="block">Flattens a list of OR nodes.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i45">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#gatherTableReferences(java.util.List)">gatherTableReferences</a></span>&#8203;(<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)</code></th>
 <td class="colLast">
 <div class="block">Gather all table references in input expressions.</div>
 </td>
 </tr>
 <tr class="altColor" id="i46">
 <td class="colFirst"><code>static <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;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#generateCastExpressions(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rel.type.RelDataType,java.util.List)">generateCastExpressions</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;lhsRowType,
 <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;rhsExps)</code></th>
 <td class="colLast">
 <div class="block">Generates a cast for a row type.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i47">
 <td class="colFirst"><code>static <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;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#generateCastExpressions(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType)">generateCastExpressions</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;lhsRowType,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rhsRowType)</code></th>
 <td class="colLast">
 <div class="block">Generates a cast from one row type to another.</div>
 </td>
 </tr>
 <tr class="altColor" id="i48">
 <td class="colFirst"><code>static double</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSelectivity(org.apache.calcite.rex.RexNode)">getSelectivity</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;exp)</code></th>
 <td class="colLast">
 <div class="block">Returns a guess for the selectivity of an expression.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i49">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#invert(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexCall)">invert</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor" id="i50">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAtomic(org.apache.calcite.rex.RexNode)">isAtomic</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;expr)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor" id="i51">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCallTo(org.apache.calcite.rex.RexNode,org.apache.calcite.sql.SqlOperator)">isCallTo</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;expr,
 <a href="../sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a>&nbsp;op)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>node</code></a> is a <a href="RexCall.html" title="class in org.apache.calcite.rex"><code>call</code></a> to a
  given <a href="../sql/SqlOperator.html" title="class in org.apache.calcite.sql"><code>operator</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor" id="i52">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCasePredicate(org.apache.calcite.rex.RexCall,int)">isCasePredicate</a></span>&#8203;(<a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call,
 int&nbsp;i)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a given operand of a CASE expression is a predicate.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i53">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isConstant(org.apache.calcite.rex.RexNode)">isConstant</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns whether node is made up of constants.</div>
 </td>
 </tr>
 <tr class="altColor" id="i54">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDeterministic(org.apache.calcite.rex.RexNode)">isDeterministic</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a given expression is deterministic.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i55">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isFlat(org.apache.calcite.rex.RexNode)">isFlat</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;expr)</code></th>
 <td class="colLast">
 <div class="block">Returns false if the expression can be optimized by flattening
  calls to an associative operator such as AND and OR.</div>
 </td>
 </tr>
 <tr class="altColor" id="i56">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isIdentity(java.util.List,org.apache.calcite.rel.type.RelDataType)">isIdentity</a></span>&#8203;(<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;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;exps,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;inputRowType)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a list of expressions projects the incoming fields.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i57">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isLiteral(org.apache.calcite.rex.RexNode,boolean)">isLiteral</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 boolean&nbsp;allowCast)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a node represents a literal.</div>
 </td>
 </tr>
 <tr class="altColor" id="i58">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isLosslessCast(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType)">isLosslessCast</a></span>&#8203;(<a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;source,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;target)</code></th>
 <td class="colLast">
 <div class="block">Returns whether the conversion from <code>source</code> to <code>target</code> type
  is a 'loss-less' cast, that is, a cast from which
  the original value of the field can be certainly recovered.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i59">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isLosslessCast(org.apache.calcite.rex.RexNode)">isLosslessCast</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns whether the input is a 'loss-less' cast, that is, a cast from which
  the original value of the field can be certainly recovered.</div>
 </td>
 </tr>
 <tr class="altColor" id="i60">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isNull(org.apache.calcite.rex.RexNode)">isNull</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;expr)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a node represents the NULL value or a series of nested
  <code>CAST(NULL AS type)</code> calls.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i61">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isNullabilityCast(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.rex.RexNode)">isNullabilityCast</a></span>&#8203;(<a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns whether an expression is a cast just for the purposes of
  nullability, not changing any other aspect of the type.</div>
 </td>
 </tr>
 <tr class="altColor" id="i62">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isNullLiteral(org.apache.calcite.rex.RexNode,boolean)">isNullLiteral</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 boolean&nbsp;allowCast)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a node represents the NULL value.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i63">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isReferenceOrAccess(org.apache.calcite.rex.RexNode,boolean)">isReferenceOrAccess</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 boolean&nbsp;allowCast)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a node represents an input reference or field access.</div>
 </td>
 </tr>
 <tr class="altColor" id="i64">
 <td class="colFirst"><code>static <a href="../util/Pair.html" title="class in org.apache.calcite.util">Pair</a>&lt;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,&#8203;<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>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#makeKey(org.apache.calcite.rex.RexNode)">makeKey</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;expr)</code></th>
 <td class="colLast">
 <div class="block">Creates a key for <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> which is the same as another key of
  another RexNode only if the two have both the same type and textual
  representation.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i65">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#negate(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexCall)">negate</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor" id="i66">
 <td class="colFirst"><code>static int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nodeCount(java.util.List)">nodeCount</a></span>&#8203;(<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;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes)</code></th>
 <td class="colLast">
 <div class="block">Returns the number of nodes (including leaves) in a list of
  expressions.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i67">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#not(org.apache.calcite.rex.RexNode)">not</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e)</code></th>
 <td class="colLast">
 <div class="block">Negates a logical expression by adding or removing a NOT.</div>
 </td>
 </tr>
 <tr class="altColor" id="i68">
 <td class="colFirst"><code>static com.google.common.base.Function&lt;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,&#8203;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#notFn(org.apache.calcite.rex.RexBuilder)">notFn</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Use <a href="#not(org.apache.calcite.rex.RexNode)"><code>not(org.apache.calcite.rex.RexNode)</code></a></div>
 </div>
 </td>
 </tr>
 <tr class="rowColor" id="i69">
 <td class="colFirst"><code>static &lt;C extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;<br>com.google.common.collect.ImmutableMap&lt;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>,&#8203;C&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#predicateConstants(java.lang.Class,org.apache.calcite.rex.RexBuilder,java.util.List)">predicateConstants</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;C&gt;&nbsp;clazz,
 <a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <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;predicates)</code></th>
 <td class="colLast">
 <div class="block">Creates a map containing each (e, constant) pair that occurs within
  a predicate list.</div>
 </td>
 </tr>
 <tr class="altColor" id="i70">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#pullFactors(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode)">pullFactors</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Creates an equivalent version of a node where common factors among ORs
  are pulled up.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i71">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeAll(java.util.List,org.apache.calcite.rex.RexNode)">removeAll</a></span>&#8203;(<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;targets,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e)</code></th>
 <td class="colLast">
 <div class="block">Removes all expressions from a list that are equivalent to a given
  expression.</div>
 </td>
 </tr>
 <tr class="altColor" id="i72">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeCast(org.apache.calcite.rex.RexNode)">removeCast</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e)</code></th>
 <td class="colLast">
 <div class="block">Removes any casts.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i73">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeNullabilityCast(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.rex.RexNode)">removeNullabilityCast</a></span>&#8203;(<a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Removes any casts that change nullability but not type.</div>
 </td>
 </tr>
 <tr class="altColor" id="i74">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#requiresDecimalExpansion(java.util.List,boolean)">requiresDecimalExpansion</a></span>&#8203;(<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;operands,
 boolean&nbsp;recurse)</code></th>
 <td class="colLast">
 <div class="block">Determines whether any operand of a set requires decimal expansion.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i75">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#requiresDecimalExpansion(org.apache.calcite.rex.RexNode,boolean)">requiresDecimalExpansion</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;expr,
 boolean&nbsp;recurse)</code></th>
 <td class="colLast">
 <div class="block">Determines whether a <a href="RexCall.html" title="class in org.apache.calcite.rex"><code>RexCall</code></a> requires decimal expansion.</div>
 </td>
 </tr>
 <tr class="altColor" id="i76">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#requiresDecimalExpansion(org.apache.calcite.rex.RexProgram,boolean)">requiresDecimalExpansion</a></span>&#8203;(<a href="RexProgram.html" title="class in org.apache.calcite.rex">RexProgram</a>&nbsp;program,
 boolean&nbsp;recurse)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a <a href="RexProgram.html" title="class in org.apache.calcite.rex"><code>RexProgram</code></a> contains expressions which require
  decimal expansion.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i77">
 <td class="colFirst"><code>static <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;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#retainDeterministic(java.util.List)">retainDeterministic</a></span>&#8203;(<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;list)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor" id="i78">
 <td class="colFirst"><code>static <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;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#shift(java.lang.Iterable,int)">shift</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes,
 int&nbsp;offset)</code></th>
 <td class="colLast">
 <div class="block">Shifts every <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> in an expression by <code>offset</code>.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i79">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#shift(org.apache.calcite.rex.RexNode,int)">shift</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 int&nbsp;offset)</code></th>
 <td class="colLast">
 <div class="block">Shifts every <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> in an expression by <code>offset</code>.</div>
 </td>
 </tr>
 <tr class="altColor" id="i80">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#shift(org.apache.calcite.rex.RexNode,int,int)">shift</a></span>&#8203;(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 int&nbsp;start,
 int&nbsp;offset)</code></th>
 <td class="colLast">
 <div class="block">Shifts every <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> in an expression higher than <code>start</code>
  by <code>offset</code>.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i81">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplify(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode)">simplify</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Create a <a href="RexSimplify.html" title="class in org.apache.calcite.rex"><code>RexSimplify</code></a>, then call its
  <code>RexSimplify.simplify(RexNode, RexUnknownAs)</code> method.</div>
 </div>
 </td>
 </tr>
 <tr class="altColor" id="i82">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplify(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,boolean)">simplify</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e,
 boolean&nbsp;unknownAsFalse)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Create a <a href="RexSimplify.html" title="class in org.apache.calcite.rex"><code>RexSimplify</code></a>, then call its
  <code>RexSimplify.simplify(RexNode, RexUnknownAs)</code> method.</div>
 </div>
 </td>
 </tr>
 <tr class="rowColor" id="i83">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplifyAnd(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexCall,boolean)">simplifyAnd</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;e,
 boolean&nbsp;unknownAsFalse)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="altColor" id="i84">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplifyAnd2(org.apache.calcite.rex.RexBuilder,java.util.List,java.util.List)">simplifyAnd2</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <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;terms,
 <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;notTerms)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="rowColor" id="i85">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplifyAnd2ForUnknownAsFalse(org.apache.calcite.rex.RexBuilder,java.util.List,java.util.List)">simplifyAnd2ForUnknownAsFalse</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <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;terms,
 <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;notTerms)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="altColor" id="i86">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplifyAnds(org.apache.calcite.rex.RexBuilder,java.lang.Iterable)">simplifyAnds</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Use
  <code>RexSimplify.simplifyAnds(Iterable, RexUnknownAs)</code>.</div>
 </div>
 </td>
 </tr>
 <tr class="rowColor" id="i87">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplifyAnds(org.apache.calcite.rex.RexBuilder,java.lang.Iterable,boolean)">simplifyAnds</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a>&lt;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes,
 boolean&nbsp;unknownAsFalse)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="altColor" id="i88">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplifyOr(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexCall)">simplifyOr</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="rowColor" id="i89">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplifyOrs(org.apache.calcite.rex.RexBuilder,java.util.List)">simplifyOrs</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <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;terms)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="altColor" id="i90">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#simplifyPreservingType(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode)">simplifyPreservingType</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Use <a href="RexSimplify.html#simplifyPreservingType(org.apache.calcite.rex.RexNode)"><code>RexSimplify.simplifyPreservingType(RexNode)</code></a>,
  which allows you to specify an <a href="RexExecutor.html" title="interface in org.apache.calcite.rex"><code>RexExecutor</code></a>.</div>
 </div>
 </td>
 </tr>
 <tr class="rowColor" id="i91">
 <td class="colFirst"><code>static <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="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>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#strings(java.util.List)">strings</a></span>&#8203;(<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;list)</code></th>
 <td class="colLast">
 <div class="block">Transforms a list of expressions to the list of digests.</div>
 </td>
 </tr>
 <tr class="altColor" id="i92">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#swapColumnReferences(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,java.util.Map)">swapColumnReferences</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>,&#8203;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>&gt;&gt;&nbsp;ec)</code></th>
 <td class="colLast">
 <div class="block">Given an expression, it will swap its column references <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a>
  using the contents in the map (in particular, the first element of the set in the
  map value).</div>
 </td>
 </tr>
 <tr class="rowColor" id="i93">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#swapColumnTableReferences(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,java.util.Map,java.util.Map)">swapColumnTableReferences</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>,&#8203;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>&gt;&gt;&nbsp;ec,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>,&#8203;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;&nbsp;tableMapping)</code></th>
 <td class="colLast">
 <div class="block">Given an expression, it will swap the column references <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a>
  using the contents in the first map (in particular, the first element of the set
  in the map value), and then it will swap the table references contained in its
  <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a> using the contents in the second map.</div>
 </td>
 </tr>
 <tr class="altColor" id="i94">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#swapTableColumnReferences(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,java.util.Map,java.util.Map)">swapTableColumnReferences</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>,&#8203;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;&nbsp;tableMapping,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>,&#8203;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>&gt;&gt;&nbsp;ec)</code></th>
 <td class="colLast">
 <div class="block">Given an expression, it will swap the table references contained in its
  <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a> using the contents in the first map, and then
  it will swap the column references <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a> using the contents
  in the second map (in particular, the first element of the set in the map value).</div>
 </td>
 </tr>
 <tr class="rowColor" id="i95">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#swapTableReferences(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,java.util.Map)">swapTableReferences</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>,&#8203;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;&nbsp;tableMapping)</code></th>
 <td class="colLast">
 <div class="block">Given an expression, it will swap the table references contained in its
  <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a> using the contents in the map.</div>
 </td>
 </tr>
 <tr class="altColor" id="i96">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toCnf(org.apache.calcite.rex.RexBuilder,int,org.apache.calcite.rex.RexNode)">toCnf</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 int&nbsp;maxCnfNodeCount,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;rex)</code></th>
 <td class="colLast">
 <div class="block">Similar to <a href="#toCnf(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode)"><code>toCnf(RexBuilder, RexNode)</code></a>; however, it lets you
  specify a threshold in the number of nodes that can be created out of
  the conversion.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i97">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toCnf(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode)">toCnf</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;rex)</code></th>
 <td class="colLast">
 <div class="block">Converts an expression to conjunctive normal form (CNF).</div>
 </td>
 </tr>
 <tr class="altColor" id="i98">
 <td class="colFirst"><code>static <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toDnf(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode)">toDnf</a></span>&#8203;(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;rex)</code></th>
 <td class="colLast">
 <div class="block">Converts an expression to disjunctive normal form (DNF).</div>
 </td>
 </tr>
 <tr class="rowColor" id="i99">
 <td class="colFirst"><code>static <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="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#types(java.util.List)">types</a></span>&#8203;(<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;? extends <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&gt;&nbsp;nodes)</code></th>
 <td class="colLast">
 <div class="block">Transforms a list of expressions into a list of their types.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </div>
 </div>
 <div class="inheritedList">
 <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>
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 <!--   -->
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 </section>
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 <section class="details">
 <ul class="blockList">
 <!-- ============ FIELD DETAIL =========== -->
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 <h2>Field Details</h2>
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 <h3><a id="EXECUTOR">EXECUTOR</a></h3>
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 <div class="block">Executor for a bit of constant reduction. The user can pass in another executor.</div>
 </section>
 </li>
 </ul>
 </section>
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 <div class="block">Returns a guess for the selectivity of an expression.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>exp</code> - expression of interest, or null for none (implying a
             selectivity of 1.0)</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>guessed selectivity</dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="generateCastExpressions(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType)">generateCastExpressions</a></h3>
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 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;lhsRowType,
 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;rhsRowType)</span></div>
 <div class="block">Generates a cast from one row type to another.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>rexBuilder</code> - RexBuilder to use for constructing casts</dd>
 <dd><code>lhsRowType</code> - target row type</dd>
 <dd><code>rhsRowType</code> - source row type; fields must be 1-to-1 with lhsRowType,
                    in same order</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>cast expressions</dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
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 <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;lhsRowType,
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 <div class="block">Generates a cast for a row type.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>rexBuilder</code> - RexBuilder to use for constructing casts</dd>
 <dd><code>lhsRowType</code> - target row type</dd>
 <dd><code>rhsExps</code> - expressions to be cast</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>cast expressions</dd>
 </dl>
 </section>
 </li>
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 <section class="detail">
 <h3><a id="isNullLiteral(org.apache.calcite.rex.RexNode,boolean)">isNullLiteral</a></h3>
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 boolean&nbsp;allowCast)</span></div>
 <div class="block">Returns whether a node represents the NULL value.

  <p>Examples:

  <ul>
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  <li>For <code>CAST(NULL AS <i>type</i>)</code>, returns true if <code>
  allowCast</code> is true, false otherwise.
  <li>For <code>CAST(CAST(NULL AS <i>type</i>) AS <i>type</i>))</code>,
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 <div class="block">Returns whether a node represents the NULL value or a series of nested
  <code>CAST(NULL AS type)</code> calls. For example:
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 boolean&nbsp;allowCast)</span></div>
 <div class="block">Returns whether a node represents a literal.

  <p>Examples:

  <ul>
  <li>For <code>CAST(literal AS <i>type</i>)</code>, returns true if <code>
  allowCast</code> is true, false otherwise.
  <li>For <code>CAST(CAST(literal AS <i>type</i>) AS <i>type</i>))</code>,
  returns false.
  </ul></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - The node, never null.</dd>
 <dd><code>allowCast</code> - whether to regard CAST(literal) as a literal</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
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 <h3><a id="allLiterals(java.util.List)">allLiterals</a></h3>
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 <div class="block">Returns whether every expression in a list is a literal.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>expressionOperands</code> - list of expressions to check</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if every expression from the specified list is literal.</dd>
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 <h3><a id="isReferenceOrAccess(org.apache.calcite.rex.RexNode,boolean)">isReferenceOrAccess</a></h3>
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 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - The node, never null.</dd>
 <dd><code>allowCast</code> - whether to regard CAST(x) as true</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Whether the node is a reference or access</dd>
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 <div class="block">Returns whether an expression is a cast just for the purposes of
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 </section>
 </li>
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 <section class="detail">
 <h3><a id="removeNullabilityCast(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.rex.RexNode)">removeNullabilityCast</a></h3>
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 <div class="block">Removes any casts that change nullability but not type.

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 <h3><a id="removeCast(org.apache.calcite.rex.RexNode)">removeCast</a></h3>
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 <div class="block">Removes any casts.

  <p>For example, <code>CAST('1' AS INTEGER)</code> becomes <code>'1'</code>.</div>
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 <div class="block">Creates a map containing each (e, constant) pair that occurs within
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 <dt><span class="paramLabel">Type Parameters:</span></dt>
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            definition of constant, or <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> to use
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>clazz</code> - Class of expression that is considered constant</dd>
 <dd><code>rexBuilder</code> - Rex builder</dd>
 <dd><code>predicates</code> - Predicate list</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Map from values to constants</dd>
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 <div class="block">Returns the number of nodes (including leaves) in a list of
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 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="RexNode.html#nodeCount()"><code>RexNode.nodeCount()</code></a></dd>
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 <div class="block">Returns a visitor that finds nodes of given <a href="../sql/SqlKind.html" title="enum in org.apache.calcite.sql"><code>SqlKind</code></a>s.</div>
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 <dl>
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 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>e</code> - Expression</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
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 <div class="block">Shifts every <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> in an expression by <code>offset</code>.</div>
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 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
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 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e)</span></div>
 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Create a <a href="RexSimplify.html" title="class in org.apache.calcite.rex"><code>RexSimplify</code></a>, then call its
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 boolean&nbsp;unknownAsFalse)</span></div>
 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Create a <a href="RexSimplify.html" title="class in org.apache.calcite.rex"><code>RexSimplify</code></a>, then call its
  <code>RexSimplify.simplify(RexNode, RexUnknownAs)</code> method.</div>
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 <div class="block">Simplifies a boolean expression,
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 <dl>
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 </span><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></span>&nbsp;<span class="memberName">simplifyAnds</span>&#8203;(<span class="arguments"><a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
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 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Use
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 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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 </span><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></span>&nbsp;<span class="memberName">simplifyOr</span>&#8203;(<span class="arguments"><a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call)</span></div>
 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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 </span><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></span>&nbsp;<span class="memberName">simplifyOrs</span>&#8203;(<span class="arguments"><a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <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;terms)</span></div>
 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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 <section class="detail">
 <h3><a id="andNot(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode...)">andNot</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></span>&nbsp;<span class="memberName">andNot</span>&#8203;(<span class="arguments"><a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>...&nbsp;notTerms)</span></div>
 <div class="block">Creates the expression <code>e1 AND NOT notTerm1 AND NOT notTerm2 ...</code>.</div>
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 <section class="detail">
 <h3><a id="andNot(org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,java.lang.Iterable)">andNot</a></h3>
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 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;e,
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 <div class="block">Creates the expression <code>e1 AND NOT notTerm1 AND NOT notTerm2 ...</code>.

  <p>Examples:
  <ul>
    <li>andNot(p) returns "p"
    <li>andNot(p, n1, n2) returns "p AND NOT n1 AND NOT n2"
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 <div class="block">Returns whether a given operand of a CASE expression is a predicate.

  <p>A switched case (CASE x WHEN x1 THEN v1 ... ELSE e END) has an even
  number of arguments and odd-numbered arguments are predicates.

  <p>A condition case (CASE WHEN p1 THEN v1 ... ELSE e END) has an odd
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 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Use <a href="#not(org.apache.calcite.rex.RexNode)"><code>not(org.apache.calcite.rex.RexNode)</code></a></div>
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 <div class="block">Returns a function that applies NOT to its argument.</div>
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 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">containsCorrelation</span>&#8203;(<span class="arguments"><a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;condition)</span></div>
 <div class="block">Returns whether an expression contains a <a href="RexCorrelVariable.html" title="class in org.apache.calcite.rex"><code>RexCorrelVariable</code></a>.</div>
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 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>,&#8203;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;&nbsp;tableMapping)</span></div>
 <div class="block">Given an expression, it will swap the table references contained in its
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 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>,&#8203;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>&gt;&gt;&nbsp;ec)</span></div>
 <div class="block">Given an expression, it will swap its column references <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a>
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 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>,&#8203;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;&nbsp;tableMapping,
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 <div class="block">Given an expression, it will swap the table references contained in its
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  it will swap the column references <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a> using the contents
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 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></span>&nbsp;<span class="memberName">swapColumnTableReferences</span>&#8203;(<span class="arguments"><a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a>&nbsp;rexBuilder,
 <a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>,&#8203;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="RexTableInputRef.html" title="class in org.apache.calcite.rex">RexTableInputRef</a>&gt;&gt;&nbsp;ec,
 <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>,&#8203;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;&nbsp;tableMapping)</span></div>
 <div class="block">Given an expression, it will swap the column references <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a>
  using the contents in the first map (in particular, the first element of the set
  in the map value), and then it will swap the table references contained in its
  <a href="RexTableInputRef.html" title="class in org.apache.calcite.rex"><code>RexTableInputRef</code></a> using the contents in the second map.</div>
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 </li>
 <li class="blockList">
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 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="RexTableInputRef.RelTableRef.html" title="class in org.apache.calcite.rex">RexTableInputRef.RelTableRef</a>&gt;</span>&nbsp;<span class="memberName">gatherTableReferences</span>&#8203;(<span class="arguments"><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)</span></div>
 <div class="block">Gather all table references in input expressions.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>nodes</code> - expressions</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>set of table references</dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="strings(java.util.List)">strings</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><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="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>&gt;</span>&nbsp;<span class="memberName">strings</span>&#8203;(<span class="arguments"><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;list)</span></div>
 <div class="block">Transforms a list of expressions to the list of digests.</div>
 </section>
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 </section>
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