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| <h2 title="Class RexExecutorImpl" class="title">Class RexExecutorImpl</h2> |
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| <li>org.apache.calcite.rex.RexExecutorImpl</li> |
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| <pre>public class <span class="typeNameLabel">RexExecutorImpl</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> |
| implements <a href="RexExecutor.html" title="interface in org.apache.calcite.rex">RexExecutor</a></pre> |
| <div class="block">Evaluates a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> expression. |
| |
| <p>For this impl, all the public methods should be |
| static except that it inherits from <a href="RexExecutor.html" title="interface in org.apache.calcite.rex"><code>RexExecutor</code></a>. |
| This pretends that other code in the project assumes |
| the executor instance is <a href="RexExecutorImpl.html" title="class in org.apache.calcite.rex"><code>RexExecutorImpl</code></a>.</div> |
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| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.DataContext)">RexExecutorImpl</a></span>​(<a href="../DataContext.html" title="interface in org.apache.calcite">DataContext</a> dataContext)</code></th> |
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| <td class="colFirst"><code>static <a href="RexExecutable.html" title="class in org.apache.calcite.rex">RexExecutable</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getExecutable(org.apache.calcite.rex.RexBuilder,java.util.List,org.apache.calcite.rel.type.RelDataType)">getExecutable</a></span>​(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> 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><<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> exps, |
| <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates an <a href="RexExecutable.html" title="class in org.apache.calcite.rex"><code>RexExecutable</code></a> that allows to apply the |
| generated code during query processing (filter, projection).</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reduce(org.apache.calcite.rex.RexBuilder,java.util.List,java.util.List)">reduce</a></span>​(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> 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><<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> constExps, |
| <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><<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> reducedValues)</code></th> |
| <td class="colLast"> |
| <div class="block">Do constant reduction using generated code.</div> |
| </td> |
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| <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>RexExecutorImpl</h4> |
| <pre>public RexExecutorImpl​(<a href="../DataContext.html" title="interface in org.apache.calcite">DataContext</a> dataContext)</pre> |
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| <a id="getExecutable(org.apache.calcite.rex.RexBuilder,java.util.List,org.apache.calcite.rel.type.RelDataType)"> |
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| <h4>getExecutable</h4> |
| <pre class="methodSignature">public static <a href="RexExecutable.html" title="class in org.apache.calcite.rex">RexExecutable</a> getExecutable​(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> 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><<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> exps, |
| <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType)</pre> |
| <div class="block">Creates an <a href="RexExecutable.html" title="class in org.apache.calcite.rex"><code>RexExecutable</code></a> that allows to apply the |
| generated code during query processing (filter, projection).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rexBuilder</code> - Rex builder</dd> |
| <dd><code>exps</code> - Expressions</dd> |
| <dd><code>rowType</code> - describes the structure of the input row.</dd> |
| </dl> |
| </li> |
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| <h4>reduce</h4> |
| <pre class="methodSignature">public void reduce​(<a href="RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> 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><<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> constExps, |
| <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><<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> reducedValues)</pre> |
| <div class="block">Do constant reduction using generated code.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RexExecutor.html#reduce(org.apache.calcite.rex.RexBuilder,java.util.List,java.util.List)">reduce</a></code> in interface <code><a href="RexExecutor.html" title="interface in org.apache.calcite.rex">RexExecutor</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rexBuilder</code> - Rex builder</dd> |
| <dd><code>constExps</code> - Expressions to be reduced</dd> |
| <dd><code>reducedValues</code> - List to which reduced expressions are appended</dd> |
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