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<div class="subTitle">org.apache.calcite.adapter.enumerable</div>
<h2 title="类 RexImpTable" class="title">类 RexImpTable</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">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/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></pre>
<div class="block">Contains implementations of Rex operators as Java code.</div>
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<h3>嵌套类概要</h3>
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<caption><span>嵌套类</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">类和说明</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.LagImplementor.html" title="org.apache.calcite.adapter.enumerable中的类">RexImpTable.LagImplementor</a></span></code>
<div class="block">Implementor for the <code>LAG</code> windowed aggregate function.</div>
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<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.LeadImplementor.html" title="org.apache.calcite.adapter.enumerable中的类">RexImpTable.LeadImplementor</a></span></code>
<div class="block">Implementor for the <code>LEAD</code> windowed aggregate function.</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.NullAs.html" title="org.apache.calcite.adapter.enumerable中的枚举">RexImpTable.NullAs</a></span></code>
<div class="block">Strategy what an operator should return if one of its
arguments is null.</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.UserDefinedAggReflectiveImplementor.html" title="org.apache.calcite.adapter.enumerable中的类">RexImpTable.UserDefinedAggReflectiveImplementor</a></span></code>
<div class="block">Implementor for user-defined aggregate functions.</div>
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<caption><span>字段</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">字段和说明</th>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/linq4j/tree/MemberExpression.html" title="org.apache.calcite.linq4j.tree中的类">MemberExpression</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#BOXED_FALSE_EXPR">BOXED_FALSE_EXPR</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/linq4j/tree/MemberExpression.html" title="org.apache.calcite.linq4j.tree中的类">MemberExpression</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#BOXED_TRUE_EXPR">BOXED_TRUE_EXPR</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#COMMA_EXPR">COMMA_EXPR</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#FALSE_EXPR">FALSE_EXPR</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html" title="org.apache.calcite.adapter.enumerable中的类">RexImpTable</a></code></td>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#NULL_EXPR">NULL_EXPR</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#TRUE_EXPR">TRUE_EXPR</a></span></code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">方法和说明</th>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/adapter/enumerable/CallImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">CallImplementor</a></code></td>
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<a href="../../../../../org/apache/calcite/adapter/enumerable/NullPolicy.html" title="org.apache.calcite.adapter.enumerable中的枚举">NullPolicy</a>&nbsp;nullPolicy,
boolean&nbsp;harmonize)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/calcite/adapter/enumerable/AggImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">AggImplementor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#get-org.apache.calcite.sql.SqlAggFunction-boolean-">get</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlAggFunction.html" title="org.apache.calcite.sql中的类">SqlAggFunction</a>&nbsp;aggregation,
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<td class="colFirst"><code><a href="../../../../../org/apache/calcite/adapter/enumerable/CallImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">CallImplementor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#get-org.apache.calcite.sql.SqlOperator-">get</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a>&nbsp;operator)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/calcite/adapter/enumerable/TableValuedFunctionCallImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">TableValuedFunctionCallImplementor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#get-org.apache.calcite.sql.SqlWindowTableFunction-">get</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlWindowTableFunction.html" title="org.apache.calcite.sql中的类">SqlWindowTableFunction</a>&nbsp;operator)</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类">Expression</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html#multiplyDivide-org.apache.calcite.linq4j.tree.Expression-java.math.BigDecimal-java.math.BigDecimal-">multiplyDivide</a></span>(<a href="../../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类">Expression</a>&nbsp;e,
<a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="java.math中的类或接口">BigDecimal</a>&nbsp;multiplier,
<a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="java.math中的类或接口">BigDecimal</a>&nbsp;divider)</code>
<div class="block">Multiplies an expression by a constant and divides by another constant,
optimizing appropriately.</div>
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<h3>从类继承的方法&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a> NULL_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a> FALSE_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a> TRUE_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a> COMMA_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/linq4j/tree/MemberExpression.html" title="org.apache.calcite.linq4j.tree中的类">MemberExpression</a> BOXED_FALSE_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/linq4j/tree/MemberExpression.html" title="org.apache.calcite.linq4j.tree中的类">MemberExpression</a> BOXED_TRUE_EXPR</pre>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/adapter/enumerable/RexImpTable.html" title="org.apache.calcite.adapter.enumerable中的类">RexImpTable</a> INSTANCE</pre>
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<pre>public static&nbsp;<a href="../../../../../org/apache/calcite/adapter/enumerable/CallImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">CallImplementor</a>&nbsp;createImplementor(<a href="../../../../../org/apache/calcite/adapter/enumerable/NotNullImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">NotNullImplementor</a>&nbsp;implementor,
<a href="../../../../../org/apache/calcite/adapter/enumerable/NullPolicy.html" title="org.apache.calcite.adapter.enumerable中的枚举">NullPolicy</a>&nbsp;nullPolicy,
boolean&nbsp;harmonize)</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/calcite/adapter/enumerable/CallImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">CallImplementor</a>&nbsp;get(<a href="../../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a>&nbsp;operator)</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/calcite/adapter/enumerable/AggImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">AggImplementor</a>&nbsp;get(<a href="../../../../../org/apache/calcite/sql/SqlAggFunction.html" title="org.apache.calcite.sql中的类">SqlAggFunction</a>&nbsp;aggregation,
boolean&nbsp;forWindowAggregate)</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/calcite/adapter/enumerable/MatchImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">MatchImplementor</a>&nbsp;get(<a href="../../../../../org/apache/calcite/sql/SqlMatchFunction.html" title="org.apache.calcite.sql中的类">SqlMatchFunction</a>&nbsp;function)</pre>
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<h4>get</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/adapter/enumerable/TableValuedFunctionCallImplementor.html" title="org.apache.calcite.adapter.enumerable中的接口">TableValuedFunctionCallImplementor</a>&nbsp;get(<a href="../../../../../org/apache/calcite/sql/SqlWindowTableFunction.html" title="org.apache.calcite.sql中的类">SqlWindowTableFunction</a>&nbsp;operator)</pre>
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<h4>multiplyDivide</h4>
<pre>public static&nbsp;<a href="../../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类">Expression</a>&nbsp;multiplyDivide(<a href="../../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类">Expression</a>&nbsp;e,
<a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="java.math中的类或接口">BigDecimal</a>&nbsp;multiplier,
<a href="https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html?is-external=true" title="java.math中的类或接口">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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