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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.rel.rules</a></div> |
| <h1 title="Class ProjectToWindowRule" class="title">Class ProjectToWindowRule</h1> |
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| <div class="contentContainer"> |
| <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"><a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">org.apache.calcite.plan.RelOptRule</a> |
| <div class="inheritance"><a href="../../plan/RelRule.html" title="class in org.apache.calcite.plan">org.apache.calcite.plan.RelRule</a><<a href="ProjectToWindowRule.Config.html" title="interface in org.apache.calcite.rel.rules">ProjectToWindowRule.Config</a>> |
| <div class="inheritance">org.apache.calcite.rel.rules.ProjectToWindowRule</div> |
| </div> |
| </div> |
| </div> |
| <section class="description"> |
| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="TransformationRule.html" title="interface in org.apache.calcite.rel.rules">TransformationRule</a></code></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="ProjectToWindowRule.CalcToWindowRule.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule.CalcToWindowRule</a></code>, <code><a href="ProjectToWindowRule.ProjectToLogicalProjectAndWindowRule.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule.ProjectToLogicalProjectAndWindowRule</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">ProjectToWindowRule</span> |
| extends <a href="../../plan/RelRule.html" title="class in org.apache.calcite.plan">RelRule</a><<a href="ProjectToWindowRule.Config.html" title="interface in org.apache.calcite.rel.rules">ProjectToWindowRule.Config</a>> |
| implements <a href="TransformationRule.html" title="interface in org.apache.calcite.rel.rules">TransformationRule</a></pre> |
| <div class="block">Planner rule that slices a |
| <a href="../core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> |
| into sections which contain windowed |
| aggregate functions and sections which do not. |
| |
| <p>The sections which contain windowed agg functions become instances of |
| <a href="../logical/LogicalWindow.html" title="class in org.apache.calcite.rel.logical"><code>LogicalWindow</code></a>. |
| If the <a href="../logical/LogicalCalc.html" title="class in org.apache.calcite.rel.logical"><code>LogicalCalc</code></a> does not contain |
| any windowed agg functions, does nothing. |
| |
| <p>There is also a variant that matches |
| <a href="../core/Calc.html" title="class in org.apache.calcite.rel.core"><code>Calc</code></a> rather than <code>Project</code>.</div> |
| </section> |
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| <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 </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="ProjectToWindowRule.CalcToWindowRule.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule.CalcToWindowRule</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Instance of the rule that applies to a |
| <a href="../core/Calc.html" title="class in org.apache.calcite.rel.core"><code>Calc</code></a> that contains |
| windowed aggregates and converts it into a mixture of |
| <a href="../logical/LogicalWindow.html" title="class in org.apache.calcite.rel.logical"><code>LogicalWindow</code></a> and <code>Calc</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="ProjectToWindowRule.Config.html" title="interface in org.apache.calcite.rel.rules">ProjectToWindowRule.Config</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Rule configuration.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="ProjectToWindowRule.ProjectToLogicalProjectAndWindowRule.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule.ProjectToLogicalProjectAndWindowRule</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Instance of the rule that can be applied to a |
| <a href="../core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> and that produces, in turn, |
| a mixture of <code>LogicalProject</code> |
| and <a href="../logical/LogicalWindow.html" title="class in org.apache.calcite.rel.logical"><code>LogicalWindow</code></a>.</div> |
| </td> |
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| <div class="inheritedList"> |
| <h2>Nested classes/interfaces inherited from class org.apache.calcite.plan.<a href="../../plan/RelRule.html" title="class in org.apache.calcite.plan">RelRule</a></h2> |
| <a id="nested.classes.inherited.from.class.org.apache.calcite.plan.RelRule"> |
| <!-- --> |
| </a><code><a href="../../plan/RelRule.Done.html" title="interface in org.apache.calcite.plan">RelRule.Done</a>, <a href="../../plan/RelRule.MatchHandler.html" title="interface in org.apache.calcite.plan">RelRule.MatchHandler</a><<a href="../../plan/RelRule.MatchHandler.html" title="type parameter in RelRule.MatchHandler">R</a> extends <a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a>>, <a href="../../plan/RelRule.OperandBuilder.html" title="interface in org.apache.calcite.plan">RelRule.OperandBuilder</a>, <a href="../../plan/RelRule.OperandDetailBuilder.html" title="interface in org.apache.calcite.plan">RelRule.OperandDetailBuilder</a><<a href="../../plan/RelRule.OperandDetailBuilder.html" title="type parameter in RelRule.OperandDetailBuilder">R</a> extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>>, <a href="../../plan/RelRule.OperandTransform.html" title="interface in org.apache.calcite.plan">RelRule.OperandTransform</a></code></div> |
| <div class="inheritedList"> |
| <h2>Nested classes/interfaces inherited from class org.apache.calcite.plan.<a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></h2> |
| <a id="nested.classes.inherited.from.class.org.apache.calcite.plan.RelOptRule"> |
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| </a><code><a href="../../plan/RelOptRule.ConverterRelOptRuleOperand.html" title="class in org.apache.calcite.plan">RelOptRule.ConverterRelOptRuleOperand</a></code></div> |
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| <td class="colFirst"><code>protected </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.rel.rules.ProjectToWindowRule.Config)">ProjectToWindowRule</a></span>​(<a href="ProjectToWindowRule.Config.html" title="interface in org.apache.calcite.rel.rules">ProjectToWindowRule.Config</a> config)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a ProjectToWindowRule.</div> |
| </td> |
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| <div class="inheritedList"> |
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| <h3><a id="<init>(org.apache.calcite.rel.rules.ProjectToWindowRule.Config)">ProjectToWindowRule</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected</span> <span class="memberName">ProjectToWindowRule</span>​(<span class="arguments"><a href="ProjectToWindowRule.Config.html" title="interface in org.apache.calcite.rel.rules">ProjectToWindowRule.Config</a> config)</span></div> |
| <div class="block">Creates a ProjectToWindowRule.</div> |
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