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| <div class="subTitle">org.apache.drill.exec.planner.logical</div> |
| <h2 title="Class DrillReduceAggregatesRule" class="title">Class DrillReduceAggregatesRule</h2> |
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| <ul class="inheritance"> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.plan.RelOptRule</li> |
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| <ul class="inheritance"> |
| <li>org.apache.drill.exec.planner.logical.DrillReduceAggregatesRule</li> |
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| <pre>public class <span class="typeNameLabel">DrillReduceAggregatesRule</span> |
| extends org.apache.calcite.plan.RelOptRule</pre> |
| <div class="block">Rule to reduce aggregates to simpler forms. Currently only AVG(x) to |
| SUM(x)/COUNT(x), but eventually will handle others such as STDDEV.</div> |
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| <td class="colFirst"><code>static <a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html" title="class in org.apache.drill.exec.planner.logical">DrillReduceAggregatesRule</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html#INSTANCE">INSTANCE</a></span></code> |
| <div class="block">The singleton.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static org.apache.drill.exec.planner.logical.DrillReduceAggregatesRule.DrillConvertSumToSumZero</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html#INSTANCE_SUM">INSTANCE_SUM</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static org.apache.drill.exec.planner.logical.DrillReduceAggregatesRule.DrillConvertWindowSumToSumZero</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html#INSTANCE_WINDOW_SUM">INSTANCE_WINDOW_SUM</a></span></code> </td> |
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| <code>description, operands, relBuilderFactory</code></li> |
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| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html#DrillReduceAggregatesRule-org.apache.calcite.plan.RelOptRuleOperand-">DrillReduceAggregatesRule</a></span>(org.apache.calcite.plan.RelOptRuleOperand operand)</code> </td> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html#matches-org.apache.calcite.plan.RelOptRuleCall-">matches</a></span>(org.apache.calcite.plan.RelOptRuleCall call)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected org.apache.calcite.rel.core.Aggregate</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html#newAggregateRel-org.apache.calcite.rel.core.Aggregate-org.apache.calcite.rel.RelNode-java.util.List-">newAggregateRel</a></span>(org.apache.calcite.rel.core.Aggregate oldAggRel, |
| org.apache.calcite.rel.RelNode inputRel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.calcite.rel.core.AggregateCall> newCalls)</code> |
| <div class="block">Do a shallow clone of oldAggRel and update aggCalls.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-">onMatch</a></span>(org.apache.calcite.plan.RelOptRuleCall ruleCall)</code> </td> |
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| <h3>Methods inherited from class org.apache.calcite.plan.RelOptRule</h3> |
| <code>any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, none, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered</code></li> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <h4>INSTANCE</h4> |
| <pre>public static final <a href="../../../../../../org/apache/drill/exec/planner/logical/DrillReduceAggregatesRule.html" title="class in org.apache.drill.exec.planner.logical">DrillReduceAggregatesRule</a> INSTANCE</pre> |
| <div class="block">The singleton.</div> |
| </li> |
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| <a name="INSTANCE_SUM"> |
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| <h4>INSTANCE_SUM</h4> |
| <pre>public static final org.apache.drill.exec.planner.logical.DrillReduceAggregatesRule.DrillConvertSumToSumZero INSTANCE_SUM</pre> |
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| <h4>INSTANCE_WINDOW_SUM</h4> |
| <pre>public static final org.apache.drill.exec.planner.logical.DrillReduceAggregatesRule.DrillConvertWindowSumToSumZero INSTANCE_WINDOW_SUM</pre> |
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| <h4>DrillReduceAggregatesRule</h4> |
| <pre>protected DrillReduceAggregatesRule(org.apache.calcite.plan.RelOptRuleOperand operand)</pre> |
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| <h4>matches</h4> |
| <pre>public boolean matches(org.apache.calcite.plan.RelOptRuleCall call)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>matches</code> in class <code>org.apache.calcite.plan.RelOptRule</code></dd> |
| </dl> |
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| <pre>public void onMatch(org.apache.calcite.plan.RelOptRuleCall ruleCall)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>onMatch</code> in class <code>org.apache.calcite.plan.RelOptRule</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="newAggregateRel-org.apache.calcite.rel.core.Aggregate-org.apache.calcite.rel.RelNode-java.util.List-"> |
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| <h4>newAggregateRel</h4> |
| <pre>protected org.apache.calcite.rel.core.Aggregate newAggregateRel(org.apache.calcite.rel.core.Aggregate oldAggRel, |
| org.apache.calcite.rel.RelNode inputRel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.calcite.rel.core.AggregateCall> newCalls)</pre> |
| <div class="block">Do a shallow clone of oldAggRel and update aggCalls. Could be refactored |
| into Aggregate and subclasses - but it's only needed for some |
| subclasses.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>oldAggRel</code> - AggregateRel to clone.</dd> |
| <dd><code>inputRel</code> - Input relational expression</dd> |
| <dd><code>newCalls</code> - New list of AggregateCalls</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>shallow clone with new list of AggregateCalls.</dd> |
| </dl> |
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