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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 AggregateUnionAggregateRule" class="title">Class AggregateUnionAggregateRule</h2> |
| </div> |
| <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.AggregateUnionAggregateRule</li> |
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| <pre>public class <span class="typeNameLabel">AggregateUnionAggregateRule</span> |
| extends <a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></pre> |
| <div class="block">Planner rule that matches |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a>s beneath a |
| <a href="../core/Union.html" title="class in org.apache.calcite.rel.core"><code>Union</code></a> and pulls them up, so |
| that a single |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> removes duplicates. |
| |
| <p>This rule only handles cases where the |
| <a href="../core/Union.html" title="class in org.apache.calcite.rel.core"><code>Union</code></a>s |
| still have only two inputs.</div> |
| </li> |
| </ul> |
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| <div class="summary"> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="AggregateUnionAggregateRule.html" title="class in org.apache.calcite.rel.rules">AggregateUnionAggregateRule</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#AGG_ON_FIRST_INPUT">AGG_ON_FIRST_INPUT</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Instance that matches an <code>Aggregate</code> as the left input of |
| <code>Union</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="AggregateUnionAggregateRule.html" title="class in org.apache.calcite.rel.rules">AggregateUnionAggregateRule</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#AGG_ON_SECOND_INPUT">AGG_ON_SECOND_INPUT</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Instance that matches an <code>Aggregate</code> as the right input of |
| <code>Union</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="AggregateUnionAggregateRule.html" title="class in org.apache.calcite.rel.rules">AggregateUnionAggregateRule</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#INSTANCE">INSTANCE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Instance that matches an <code>Aggregate</code> as either input of |
| <a href="../core/Union.html" title="class in org.apache.calcite.rel.core"><code>Union</code></a>.</div> |
| </td> |
| </tr> |
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| <ul class="blockList"> |
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| <!-- --> |
| </a> |
| <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> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <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(java.lang.Class,java.lang.Class,java.lang.Class,java.lang.Class,org.apache.calcite.tools.RelBuilderFactory,java.lang.String)">AggregateUnionAggregateRule</a></span>​(java.lang.Class<? extends <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a>> aggregateClass, |
| java.lang.Class<? extends <a href="../core/Union.html" title="class in org.apache.calcite.rel.core">Union</a>> unionClass, |
| java.lang.Class<? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> firstUnionInputClass, |
| java.lang.Class<? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> secondUnionInputClass, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory, |
| java.lang.String desc)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a AggregateUnionAggregateRule.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Class,org.apache.calcite.rel.core.RelFactories.AggregateFactory,java.lang.Class,org.apache.calcite.rel.core.RelFactories.SetOpFactory)">AggregateUnionAggregateRule</a></span>​(java.lang.Class<? extends <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a>> aggregateClass, |
| <a href="../core/RelFactories.AggregateFactory.html" title="interface in org.apache.calcite.rel.core">RelFactories.AggregateFactory</a> aggregateFactory, |
| java.lang.Class<? extends <a href="../core/Union.html" title="class in org.apache.calcite.rel.core">Union</a>> unionClass, |
| <a href="../core/RelFactories.SetOpFactory.html" title="interface in org.apache.calcite.rel.core">RelFactories.SetOpFactory</a> setOpFactory)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>private <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInputWithSameRowType(org.apache.calcite.rel.core.Aggregate)">getInputWithSameRowType</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> bottomAggRel)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an input with the same row type with the input Aggregate, |
| create a Project node if needed.</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="#onMatch(org.apache.calcite.plan.RelOptRuleCall)">onMatch</a></span>​(<a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> call)</code></th> |
| <td class="colLast"> |
| <div class="block">Receives notification about a rule match.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.plan.RelOptRule"> |
| <!-- --> |
| </a> |
| <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#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> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <section role="region"> |
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| <li class="blockList"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a id="AGG_ON_FIRST_INPUT"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>AGG_ON_FIRST_INPUT</h4> |
| <pre>public static final <a href="AggregateUnionAggregateRule.html" title="class in org.apache.calcite.rel.rules">AggregateUnionAggregateRule</a> AGG_ON_FIRST_INPUT</pre> |
| <div class="block">Instance that matches an <code>Aggregate</code> as the left input of |
| <code>Union</code>.</div> |
| </li> |
| </ul> |
| <a id="AGG_ON_SECOND_INPUT"> |
| <!-- --> |
| </a> |
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| <h4>AGG_ON_SECOND_INPUT</h4> |
| <pre>public static final <a href="AggregateUnionAggregateRule.html" title="class in org.apache.calcite.rel.rules">AggregateUnionAggregateRule</a> AGG_ON_SECOND_INPUT</pre> |
| <div class="block">Instance that matches an <code>Aggregate</code> as the right input of |
| <code>Union</code>.</div> |
| </li> |
| </ul> |
| <a id="INSTANCE"> |
| <!-- --> |
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| <h4>INSTANCE</h4> |
| <pre>public static final <a href="AggregateUnionAggregateRule.html" title="class in org.apache.calcite.rel.rules">AggregateUnionAggregateRule</a> INSTANCE</pre> |
| <div class="block">Instance that matches an <code>Aggregate</code> as either input of |
| <a href="../core/Union.html" title="class in org.apache.calcite.rel.core"><code>Union</code></a>. |
| |
| <p>Because it matches <a href="../RelNode.html" title="interface in org.apache.calcite.rel"><code>RelNode</code></a> for each input of <code>Union</code>, it |
| will create O(N ^ 2) matches, which may cost too much during the popMatch |
| phase in VolcanoPlanner. If efficiency is a concern, we recommend that you |
| use <a href="#AGG_ON_FIRST_INPUT"><code>AGG_ON_FIRST_INPUT</code></a> and <a href="#AGG_ON_SECOND_INPUT"><code>AGG_ON_SECOND_INPUT</code></a> instead.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <section role="region"> |
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| <li class="blockList"><a id="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(java.lang.Class,java.lang.Class,java.lang.Class,java.lang.Class,org.apache.calcite.tools.RelBuilderFactory,java.lang.String)"> |
| <!-- --> |
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| <h4>AggregateUnionAggregateRule</h4> |
| <pre>public AggregateUnionAggregateRule​(java.lang.Class<? extends <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a>> aggregateClass, |
| java.lang.Class<? extends <a href="../core/Union.html" title="class in org.apache.calcite.rel.core">Union</a>> unionClass, |
| java.lang.Class<? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> firstUnionInputClass, |
| java.lang.Class<? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> secondUnionInputClass, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory, |
| java.lang.String desc)</pre> |
| <div class="block">Creates a AggregateUnionAggregateRule.</div> |
| </li> |
| </ul> |
| <a id="<init>(java.lang.Class,org.apache.calcite.rel.core.RelFactories.AggregateFactory,java.lang.Class,org.apache.calcite.rel.core.RelFactories.SetOpFactory)"> |
| <!-- --> |
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| <h4>AggregateUnionAggregateRule</h4> |
| <pre>@Deprecated |
| public AggregateUnionAggregateRule​(java.lang.Class<? extends <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a>> aggregateClass, |
| <a href="../core/RelFactories.AggregateFactory.html" title="interface in org.apache.calcite.rel.core">RelFactories.AggregateFactory</a> aggregateFactory, |
| java.lang.Class<? extends <a href="../core/Union.html" title="class in org.apache.calcite.rel.core">Union</a>> unionClass, |
| <a href="../core/RelFactories.SetOpFactory.html" title="interface in org.apache.calcite.rel.core">RelFactories.SetOpFactory</a> setOpFactory)</pre> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <section role="region"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="getInputWithSameRowType(org.apache.calcite.rel.core.Aggregate)"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getInputWithSameRowType</h4> |
| <pre class="methodSignature">private <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> getInputWithSameRowType​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> bottomAggRel)</pre> |
| <div class="block">Returns an input with the same row type with the input Aggregate, |
| create a Project node if needed.</div> |
| </li> |
| </ul> |
| <a id="onMatch(org.apache.calcite.plan.RelOptRuleCall)"> |
| <!-- --> |
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| <li class="blockList"> |
| <h4>onMatch</h4> |
| <pre class="methodSignature">public void onMatch​(<a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> call)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)">RelOptRule</a></code></span></div> |
| <div class="block">Receives notification about a rule match. At the time that this method is |
| called, <a href="../../plan/RelOptRuleCall.html#rels"><code>call.rels</code></a> holds the set of relational |
| expressions which match the operands to the rule; <code> |
| call.rels[0]</code> is the root expression. |
| |
| <p>Typically a rule would check that the nodes are valid matches, creates |
| a new expression, then calls back <a href="../../plan/RelOptRuleCall.html#transformTo(org.apache.calcite.rel.RelNode,java.util.Map)"><code>RelOptRuleCall.transformTo(org.apache.calcite.rel.RelNode, java.util.Map<org.apache.calcite.rel.RelNode, org.apache.calcite.rel.RelNode>)</code></a> to |
| register the expression.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)">onMatch</a></code> in class <code><a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>call</code> - Rule call</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../plan/RelOptRule.html#matches(org.apache.calcite.plan.RelOptRuleCall)"><code>RelOptRule.matches(RelOptRuleCall)</code></a></dd> |
| </dl> |
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