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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.adapter.enumerable</a></div>
<h2 title="Class RexImpTable" class="title">Class RexImpTable</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a></li>
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<li>org.apache.calcite.adapter.enumerable.RexImpTable</li>
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<pre>public class <span class="typeNameLabel">RexImpTable</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">Contains implementations of Rex operators as Java code.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexImpTable.LagImplementor.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable.LagImplementor</a></span></code></th>
<td class="colLast">
<div class="block">Implementor for the <code>LAG</code> windowed aggregate function.</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="RexImpTable.LeadImplementor.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable.LeadImplementor</a></span></code></th>
<td class="colLast">
<div class="block">Implementor for the <code>LEAD</code> windowed aggregate function.</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="RexImpTable.NullAs.html" title="enum in org.apache.calcite.adapter.enumerable">RexImpTable.NullAs</a></span></code></th>
<td class="colLast">
<div class="block">Strategy what an operator should return if one of its
arguments is null.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="RexImpTable.RexCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">RexImpTable.RexCallImplementor</a></span></code></th>
<td class="colLast">
<div class="block">Null-safe implementor of <code>RexCall</code>s.</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="RexImpTable.UserDefinedAggReflectiveImplementor.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable.UserDefinedAggReflectiveImplementor</a></span></code></th>
<td class="colLast">
<div class="block">Implementor for user-defined aggregate functions.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="../../linq4j/tree/MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#BOXED_FALSE_EXPR">BOXED_FALSE_EXPR</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../linq4j/tree/MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#BOXED_TRUE_EXPR">BOXED_TRUE_EXPR</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#COMMA_EXPR">COMMA_EXPR</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#FALSE_EXPR">FALSE_EXPR</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="RexImpTable.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#INSTANCE">INSTANCE</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#NULL_EXPR">NULL_EXPR</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TRUE_EXPR">TRUE_EXPR</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>static <a href="CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createImplementor(org.apache.calcite.adapter.enumerable.NotNullImplementor,org.apache.calcite.adapter.enumerable.NullPolicy,boolean)">createImplementor</a></span>&#8203;(<a href="NotNullImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">NotNullImplementor</a>&nbsp;implementor,
<a href="NullPolicy.html" title="enum in org.apache.calcite.adapter.enumerable">NullPolicy</a>&nbsp;nullPolicy,
boolean&nbsp;harmonize)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="AggImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">AggImplementor</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(org.apache.calcite.sql.SqlAggFunction,boolean)">get</a></span>&#8203;(<a href="../../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a>&nbsp;aggregation,
boolean&nbsp;forWindowAggregate)</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="MatchImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">MatchImplementor</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(org.apache.calcite.sql.SqlMatchFunction)">get</a></span>&#8203;(<a href="../../sql/SqlMatchFunction.html" title="class in org.apache.calcite.sql">SqlMatchFunction</a>&nbsp;function)</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="RexImpTable.RexCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">RexImpTable.RexCallImplementor</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(org.apache.calcite.sql.SqlOperator)">get</a></span>&#8203;(<a href="../../sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a>&nbsp;operator)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="TableFunctionCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">TableFunctionCallImplementor</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#get(org.apache.calcite.sql.SqlWindowTableFunction)">get</a></span>&#8203;(<a href="../../sql/SqlWindowTableFunction.html" title="class in org.apache.calcite.sql">SqlWindowTableFunction</a>&nbsp;operator)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#multiplyDivide(org.apache.calcite.linq4j.tree.Expression,java.math.BigDecimal,java.math.BigDecimal)">multiplyDivide</a></span>&#8203;(<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;e,
<a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink">BigDecimal</a>&nbsp;multiplier,
<a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink">BigDecimal</a>&nbsp;divider)</code></th>
<td class="colLast">
<div class="block">Multiplies an expression by a constant and divides by another constant,
optimizing appropriately.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<h4>INSTANCE</h4>
<pre>public static final&nbsp;<a href="RexImpTable.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable</a> INSTANCE</pre>
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<pre>public static final&nbsp;<a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a> NULL_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a> FALSE_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a> TRUE_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a> COMMA_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../linq4j/tree/MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a> BOXED_FALSE_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../linq4j/tree/MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a> BOXED_TRUE_EXPR</pre>
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<h4>createImplementor</h4>
<pre class="methodSignature">public static&nbsp;<a href="CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a>&nbsp;createImplementor&#8203;(<a href="NotNullImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">NotNullImplementor</a>&nbsp;implementor,
<a href="NullPolicy.html" title="enum in org.apache.calcite.adapter.enumerable">NullPolicy</a>&nbsp;nullPolicy,
boolean&nbsp;harmonize)</pre>
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<h4>get</h4>
<pre class="methodSignature">public&nbsp;<a href="RexImpTable.RexCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">RexImpTable.RexCallImplementor</a>&nbsp;get&#8203;(<a href="../../sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a>&nbsp;operator)</pre>
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<h4>get</h4>
<pre class="methodSignature">public&nbsp;<a href="AggImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">AggImplementor</a>&nbsp;get&#8203;(<a href="../../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a>&nbsp;aggregation,
boolean&nbsp;forWindowAggregate)</pre>
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<h4>get</h4>
<pre class="methodSignature">public&nbsp;<a href="MatchImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">MatchImplementor</a>&nbsp;get&#8203;(<a href="../../sql/SqlMatchFunction.html" title="class in org.apache.calcite.sql">SqlMatchFunction</a>&nbsp;function)</pre>
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<h4>get</h4>
<pre class="methodSignature">public&nbsp;<a href="TableFunctionCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">TableFunctionCallImplementor</a>&nbsp;get&#8203;(<a href="../../sql/SqlWindowTableFunction.html" title="class in org.apache.calcite.sql">SqlWindowTableFunction</a>&nbsp;operator)</pre>
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<h4>multiplyDivide</h4>
<pre class="methodSignature">public static&nbsp;<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;multiplyDivide&#8203;(<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;e,
<a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink">BigDecimal</a>&nbsp;multiplier,
<a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink">BigDecimal</a>&nbsp;divider)</pre>
<div class="block">Multiplies an expression by a constant and divides by another constant,
optimizing appropriately.
<p>For example, <code>multiplyDivide(e, 10, 1000)</code> returns
<code>e / 100</code>.</div>
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