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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.rel.rules</a></div> |
| <h2 title="Class ProjectToWindowRule" class="title">Class ProjectToWindowRule</h2> |
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| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">org.apache.calcite.plan.RelOptRule</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.rel.rules.ProjectToWindowRule</li> |
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| <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/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</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> |
| </li> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <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 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> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="ProjectToWindowRule.WindowedAggRelSplitter.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule.WindowedAggRelSplitter</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Splitter that distinguishes between windowed aggregation expressions |
| (calls to <a href="../../rex/RexOver.html" title="class in org.apache.calcite.rex"><code>RexOver</code></a>) and ordinary expressions.</div> |
| </td> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="ProjectToWindowRule.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#INSTANCE">INSTANCE</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="ProjectToWindowRule.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PROJECT">PROJECT</a></span></code></th> |
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| <h3>Fields inherited from class org.apache.calcite.plan.<a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></h3> |
| <code><a href="../../plan/RelOptRule.html#description">description</a>, <a href="../../plan/RelOptRule.html#operands">operands</a>, <a href="../../plan/RelOptRule.html#relBuilderFactory">relBuilderFactory</a></code></li> |
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| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.tools.RelBuilderFactory,java.lang.String)">ProjectToWindowRule</a></span>​(<a href="../../plan/RelOptRuleOperand.html" title="class in org.apache.calcite.plan">RelOptRuleOperand</a> operand, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory, |
| java.lang.String description)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a ProjectToWindowRule.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from class org.apache.calcite.plan.<a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></h3> |
| <code><a href="../../plan/RelOptRule.html#any()">any</a>, <a href="../../plan/RelOptRule.html#convert(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelTrait)">convert</a>, <a href="../../plan/RelOptRule.html#convert(org.apache.calcite.rel.RelNode,org.apache.calcite.plan.RelTraitSet)">convert</a>, <a href="../../plan/RelOptRule.html#convertList(java.util.List,org.apache.calcite.plan.RelTrait)">convertList</a>, <a href="../../plan/RelOptRule.html#convertOperand(java.lang.Class,com.google.common.base.Predicate,org.apache.calcite.plan.RelTrait)">convertOperand</a>, <a href="../../plan/RelOptRule.html#convertOperand(java.lang.Class,java.util.function.Predicate,org.apache.calcite.plan.RelTrait)">convertOperand</a>, <a href="../../plan/RelOptRule.html#equals(java.lang.Object)">equals</a>, <a href="../../plan/RelOptRule.html#equals(org.apache.calcite.plan.RelOptRule)">equals</a>, <a href="../../plan/RelOptRule.html#getOperand()">getOperand</a>, <a href="../../plan/RelOptRule.html#getOperands()">getOperands</a>, <a href="../../plan/RelOptRule.html#getOutConvention()">getOutConvention</a>, <a href="../../plan/RelOptRule.html#getOutTrait()">getOutTrait</a>, <a href="../../plan/RelOptRule.html#hashCode()">hashCode</a>, <a href="../../plan/RelOptRule.html#matches(org.apache.calcite.plan.RelOptRuleCall)">matches</a>, <a href="../../plan/RelOptRule.html#none()">none</a>, <a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)">onMatch</a>, <a href="../../plan/RelOptRule.html#operand(java.lang.Class,org.apache.calcite.plan.RelOptRuleOperandChildren)">operand</a>, <a href="../../plan/RelOptRule.html#operand(java.lang.Class,org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.plan.RelOptRuleOperand...)">operand</a>, <a href="../../plan/RelOptRule.html#operand(java.lang.Class,org.apache.calcite.plan.RelTrait,com.google.common.base.Predicate,org.apache.calcite.plan.RelOptRuleOperandChildren)">operand</a>, <a href="../../plan/RelOptRule.html#operand(java.lang.Class,org.apache.calcite.plan.RelTrait,com.google.common.base.Predicate,org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.plan.RelOptRuleOperand...)">operand</a>, <a href="../../plan/RelOptRule.html#operand(java.lang.Class,org.apache.calcite.plan.RelTrait,org.apache.calcite.plan.RelOptRuleOperandChildren)">operand</a>, <a href="../../plan/RelOptRule.html#operandJ(java.lang.Class,org.apache.calcite.plan.RelTrait,java.util.function.Predicate,org.apache.calcite.plan.RelOptRuleOperandChildren)">operandJ</a>, <a href="../../plan/RelOptRule.html#operandJ(java.lang.Class,org.apache.calcite.plan.RelTrait,java.util.function.Predicate,org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.plan.RelOptRuleOperand...)">operandJ</a>, <a href="../../plan/RelOptRule.html#some(org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.plan.RelOptRuleOperand...)">some</a>, <a href="../../plan/RelOptRule.html#toString()">toString</a>, <a href="../../plan/RelOptRule.html#unordered(org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.plan.RelOptRuleOperand...)">unordered</a></code></li> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li> |
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| <h4>INSTANCE</h4> |
| <pre>public static final <a href="ProjectToWindowRule.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule</a> INSTANCE</pre> |
| </li> |
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| <a id="PROJECT"> |
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| <h4>PROJECT</h4> |
| <pre>public static final <a href="ProjectToWindowRule.html" title="class in org.apache.calcite.rel.rules">ProjectToWindowRule</a> PROJECT</pre> |
| </li> |
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| <h4>ProjectToWindowRule</h4> |
| <pre>public ProjectToWindowRule​(<a href="../../plan/RelOptRuleOperand.html" title="class in org.apache.calcite.plan">RelOptRuleOperand</a> operand, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory, |
| java.lang.String description)</pre> |
| <div class="block">Creates a ProjectToWindowRule.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>operand</code> - Root operand, must not be null</dd> |
| <dd><code>description</code> - Description, or null to guess description</dd> |
| <dd><code>relBuilderFactory</code> - Builder for relational expressions</dd> |
| </dl> |
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