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| <li>Summary: </li> |
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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 AggregateReduceFunctionsRule" class="title">Class AggregateReduceFunctionsRule</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.AggregateReduceFunctionsRule</li> |
| </ul> |
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| <pre>public class <span class="typeNameLabel">AggregateReduceFunctionsRule</span> |
| extends <a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></pre> |
| <div class="block">Planner rule that reduces aggregate functions in |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a>s to simpler forms. |
| |
| <p>Rewrites: |
| <ul> |
| |
| <li>AVG(x) → SUM(x) / COUNT(x) |
| |
| <li>STDDEV_POP(x) → SQRT( |
| (SUM(x * x) - SUM(x) * SUM(x) / COUNT(x)) |
| / COUNT(x)) |
| |
| <li>STDDEV_SAMP(x) → SQRT( |
| (SUM(x * x) - SUM(x) * SUM(x) / COUNT(x)) |
| / CASE COUNT(x) WHEN 1 THEN NULL ELSE COUNT(x) - 1 END) |
| |
| <li>VAR_POP(x) → (SUM(x * x) - SUM(x) * SUM(x) / COUNT(x)) |
| / COUNT(x) |
| |
| <li>VAR_SAMP(x) → (SUM(x * x) - SUM(x) * SUM(x) / COUNT(x)) |
| / CASE COUNT(x) WHEN 1 THEN NULL ELSE COUNT(x) - 1 END |
| |
| <li>COVAR_POP(x, y) → (SUM(x * y) - SUM(x, y) * SUM(y, x) |
| / REGR_COUNT(x, y)) / REGR_COUNT(x, y) |
| |
| <li>COVAR_SAMP(x, y) → (SUM(x * y) - SUM(x, y) * SUM(y, x) / REGR_COUNT(x, y)) |
| / CASE REGR_COUNT(x, y) WHEN 1 THEN NULL ELSE REGR_COUNT(x, y) - 1 END |
| |
| <li>REGR_SXX(x, y) → REGR_COUNT(x, y) * VAR_POP(y) |
| |
| <li>REGR_SYY(x, y) → REGR_COUNT(x, y) * VAR_POP(x) |
| |
| </ul> |
| |
| <p>Since many of these rewrites introduce multiple occurrences of simpler |
| forms like <code>COUNT(x)</code>, the rule gathers common sub-expressions as it |
| goes.</div> |
| </li> |
| </ul> |
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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>private java.util.EnumSet<<a href="../../sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#functionsToReduce">functionsToReduce</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="AggregateReduceFunctionsRule.html" title="class in org.apache.calcite.rel.rules">AggregateReduceFunctionsRule</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">The singleton.</div> |
| </td> |
| </tr> |
| </table> |
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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> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h3>Constructor Summary</h3> |
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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,org.apache.calcite.tools.RelBuilderFactory,java.util.EnumSet)">AggregateReduceFunctionsRule</a></span>​(java.lang.Class<? extends <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a>> aggregateClass, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory, |
| java.util.EnumSet<<a href="../../sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>> functionsToReduce)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates an AggregateReduceFunctionsRule with client |
| provided information on which specific functions will |
| be reduced by this rule</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.tools.RelBuilderFactory)">AggregateReduceFunctionsRule</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)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates an AggregateReduceFunctionsRule to reduce all functions |
| handled by this rule</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <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 void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addDefaultSetOfFunctionsToReduce()">addDefaultSetOfFunctionsToReduce</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsAvgStddevVarCall(java.util.List)">containsAvgStddevVarCall</a></span>​(java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> aggCallList)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether any of the aggregates are calls to AVG, STDDEV_*, VAR_*.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createAggregateCallWithBinding(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.sql.SqlAggFunction,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,int,int)">createAggregateCallWithBinding</a></span>​(<a href="../type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a> aggFunction, |
| <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> operandType, |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| int argOrdinal, |
| int filter)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#divide(boolean,org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode)">divide</a></span>​(boolean biased, |
| <a href="../../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder, |
| <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> sumXY, |
| <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> sumXSumY, |
| <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> countArg)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldType(org.apache.calcite.rel.RelNode,int)">getFieldType</a></span>​(<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> relNode, |
| int i)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRegrCountRexNode(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,org.apache.calcite.util.ImmutableIntList,com.google.common.collect.ImmutableList,int)">getRegrCountRexNode</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| <a href="../../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a> argOrdinals, |
| com.google.common.collect.ImmutableList<<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>> operandTypes, |
| int filterArg)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSumAggregatedRexNode(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,org.apache.calcite.rex.RexBuilder,int,int)">getSumAggregatedRexNode</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| <a href="../../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder, |
| int argOrdinal, |
| int filterArg)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSumAggregatedRexNodeWithBinding(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,org.apache.calcite.rel.type.RelDataType,int,int)">getSumAggregatedRexNodeWithBinding</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> operandType, |
| int argOrdinal, |
| int filter)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isReducible(org.apache.calcite.sql.SqlKind)">isReducible</a></span>​(<a href="../../sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a> kind)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether the aggregate call is a reducible function</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>private static <T> int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupOrAdd(java.util.List,T)">lookupOrAdd</a></span>​(java.util.List<T> list, |
| T element)</code></th> |
| <td class="colLast"> |
| <div class="block">Finds the ordinal of an element in a list, or adds it.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#matches(org.apache.calcite.plan.RelOptRuleCall)">matches</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">Returns whether this rule could possibly match the given operands.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#newAggregateRel(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,java.util.List)">newAggregateRel</a></span>​(<a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> relBuilder, |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggregate, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls)</code></th> |
| <td class="colLast"> |
| <div class="block">Do a shallow clone of oldAggRel and update aggCalls.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#newCalcRel(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.type.RelDataType,java.util.List)">newCalcRel</a></span>​(<a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> relBuilder, |
| <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> exprs)</code></th> |
| <td class="colLast"> |
| <div class="block">Add a calc with the expressions to compute the original agg calls from the |
| decomposed ones.</div> |
| </td> |
| </tr> |
| <tr id="i13" 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> ruleCall)</code></th> |
| <td class="colLast"> |
| <div class="block">Receives notification about a rule match.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reduceAgg(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,java.util.List)">reduceAgg</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reduceAggs(org.apache.calcite.plan.RelOptRuleCall,org.apache.calcite.rel.core.Aggregate)">reduceAggs</a></span>​(<a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> ruleCall, |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel)</code></th> |
| <td class="colLast"> |
| <div class="block">Reduces calls to functions AVG, SUM, STDDEV_POP, STDDEV_SAMP, VAR_POP, |
| VAR_SAMP, COVAR_POP, COVAR_SAMP, REGR_SXX, REGR_SYY if the function is |
| present in <a href="#functionsToReduce"><code>functionsToReduce</code></a></div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reduceAvg(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,java.util.List)">reduceAvg</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reduceCovariance(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,boolean,java.util.List,java.util.Map,java.util.List)">reduceCovariance</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| boolean biased, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reduceRegrSzz(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,java.util.List,int,int,int)">reduceRegrSzz</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs, |
| int xIndex, |
| int yIndex, |
| int nullFilterIndex)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reduceStddev(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,boolean,boolean,java.util.List,java.util.Map,java.util.List)">reduceStddev</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| boolean biased, |
| boolean sqrt, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reduceSum(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map)">reduceSum</a></span>​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping)</code></th> |
| <td class="colLast"> </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#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"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a id="INSTANCE"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>INSTANCE</h4> |
| <pre>public static final <a href="AggregateReduceFunctionsRule.html" title="class in org.apache.calcite.rel.rules">AggregateReduceFunctionsRule</a> INSTANCE</pre> |
| <div class="block">The singleton.</div> |
| </li> |
| </ul> |
| <a id="functionsToReduce"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>functionsToReduce</h4> |
| <pre>private final java.util.EnumSet<<a href="../../sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>> functionsToReduce</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.plan.RelOptRuleOperand,org.apache.calcite.tools.RelBuilderFactory)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>AggregateReduceFunctionsRule</h4> |
| <pre>public AggregateReduceFunctionsRule​(<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)</pre> |
| <div class="block">Creates an AggregateReduceFunctionsRule to reduce all functions |
| handled by this rule</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>operand</code> - operand to determine if rule can be applied</dd> |
| <dd><code>relBuilderFactory</code> - builder for relational expressions</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="<init>(java.lang.Class,org.apache.calcite.tools.RelBuilderFactory,java.util.EnumSet)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>AggregateReduceFunctionsRule</h4> |
| <pre>public AggregateReduceFunctionsRule​(java.lang.Class<? extends <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a>> aggregateClass, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory, |
| java.util.EnumSet<<a href="../../sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>> functionsToReduce)</pre> |
| <div class="block">Creates an AggregateReduceFunctionsRule with client |
| provided information on which specific functions will |
| be reduced by this rule</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>aggregateClass</code> - aggregate class</dd> |
| <dd><code>relBuilderFactory</code> - builder for relational expressions</dd> |
| <dd><code>functionsToReduce</code> - client provided information |
| on which specific functions |
| will be reduced by this rule</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a id="addDefaultSetOfFunctionsToReduce()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addDefaultSetOfFunctionsToReduce</h4> |
| <pre class="methodSignature">private void addDefaultSetOfFunctionsToReduce()</pre> |
| </li> |
| </ul> |
| <a id="matches(org.apache.calcite.plan.RelOptRuleCall)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>matches</h4> |
| <pre class="methodSignature">public boolean matches​(<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#matches(org.apache.calcite.plan.RelOptRuleCall)">RelOptRule</a></code></span></div> |
| <div class="block">Returns whether this rule could possibly match the given operands. |
| |
| <p>This method is an opportunity to apply side-conditions to a rule. The |
| <a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan"><code>RelOptPlanner</code></a> calls this method after matching all operands of |
| the rule, and before calling <a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)"><code>RelOptRule.onMatch(RelOptRuleCall)</code></a>. |
| |
| <p>In implementations of <a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan"><code>RelOptPlanner</code></a> which may queue up a |
| matched <a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan"><code>RelOptRuleCall</code></a> for a long time before calling |
| <a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)"><code>RelOptRule.onMatch(RelOptRuleCall)</code></a>, this method is beneficial because it |
| allows the planner to discard rules earlier in the process. |
| |
| <p>The default implementation of this method returns <code>true</code>. |
| It is acceptable for any implementation of this method to give a false |
| positives, that is, to say that the rule matches the operands but have |
| <a href="../../plan/RelOptRule.html#onMatch(org.apache.calcite.plan.RelOptRuleCall)"><code>RelOptRule.onMatch(RelOptRuleCall)</code></a> subsequently not generate any |
| successors. |
| |
| <p>The following script is useful to identify rules which commonly |
| produce no successors. You should override this method for these rules: |
| |
| <blockquote> |
| <pre><code>awk ' |
| /Apply rule/ {rule=$4; ruleCount[rule]++;} |
| /generated 0 successors/ {ruleMiss[rule]++;} |
| END { |
| printf "%-30s %s %s\n", "Rule", "Fire", "Miss"; |
| for (i in ruleCount) { |
| printf "%-30s %5d %5d\n", i, ruleCount[i], ruleMiss[i]; |
| } |
| } ' FarragoTrace.log</code></pre> |
| </blockquote></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../plan/RelOptRule.html#matches(org.apache.calcite.plan.RelOptRuleCall)">matches</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 which has been determined to match all operands of |
| this rule</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether this RelOptRule matches a given RelOptRuleCall</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="onMatch(org.apache.calcite.plan.RelOptRuleCall)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <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> ruleCall)</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>ruleCall</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> |
| </li> |
| </ul> |
| <a id="containsAvgStddevVarCall(java.util.List)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>containsAvgStddevVarCall</h4> |
| <pre class="methodSignature">private boolean containsAvgStddevVarCall​(java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> aggCallList)</pre> |
| <div class="block">Returns whether any of the aggregates are calls to AVG, STDDEV_*, VAR_*.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>aggCallList</code> - List of aggregate calls</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isReducible(org.apache.calcite.sql.SqlKind)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isReducible</h4> |
| <pre class="methodSignature">private boolean isReducible​(<a href="../../sql/SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a> kind)</pre> |
| <div class="block">Returns whether the aggregate call is a reducible function</div> |
| </li> |
| </ul> |
| <a id="reduceAggs(org.apache.calcite.plan.RelOptRuleCall,org.apache.calcite.rel.core.Aggregate)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>reduceAggs</h4> |
| <pre class="methodSignature">private void reduceAggs​(<a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> ruleCall, |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel)</pre> |
| <div class="block">Reduces calls to functions AVG, SUM, STDDEV_POP, STDDEV_SAMP, VAR_POP, |
| VAR_SAMP, COVAR_POP, COVAR_SAMP, REGR_SXX, REGR_SYY if the function is |
| present in <a href="#functionsToReduce"><code>functionsToReduce</code></a> |
| |
| <p>It handles newly generated common subexpressions since this was done |
| at the sql2rel stage.</div> |
| </li> |
| </ul> |
| <a id="reduceAgg(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,java.util.List)"> |
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| <h4>reduceAgg</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> reduceAgg​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs)</pre> |
| </li> |
| </ul> |
| <a id="createAggregateCallWithBinding(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.sql.SqlAggFunction,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,int,int)"> |
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| <h4>createAggregateCallWithBinding</h4> |
| <pre class="methodSignature">private <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> createAggregateCallWithBinding​(<a href="../type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a> aggFunction, |
| <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> operandType, |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| int argOrdinal, |
| int filter)</pre> |
| </li> |
| </ul> |
| <a id="reduceAvg(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,java.util.List)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>reduceAvg</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> reduceAvg​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs)</pre> |
| </li> |
| </ul> |
| <a id="reduceSum(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>reduceSum</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> reduceSum​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping)</pre> |
| </li> |
| </ul> |
| <a id="reduceStddev(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,boolean,boolean,java.util.List,java.util.Map,java.util.List)"> |
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| </a> |
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| <h4>reduceStddev</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> reduceStddev​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| boolean biased, |
| boolean sqrt, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs)</pre> |
| </li> |
| </ul> |
| <a id="getSumAggregatedRexNode(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,org.apache.calcite.rex.RexBuilder,int,int)"> |
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| <h4>getSumAggregatedRexNode</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> getSumAggregatedRexNode​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| <a href="../../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder, |
| int argOrdinal, |
| int filterArg)</pre> |
| </li> |
| </ul> |
| <a id="getSumAggregatedRexNodeWithBinding(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,org.apache.calcite.rel.type.RelDataType,int,int)"> |
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| <h4>getSumAggregatedRexNodeWithBinding</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> getSumAggregatedRexNodeWithBinding​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> operandType, |
| int argOrdinal, |
| int filter)</pre> |
| </li> |
| </ul> |
| <a id="getRegrCountRexNode(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,org.apache.calcite.util.ImmutableIntList,com.google.common.collect.ImmutableList,int)"> |
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| <h4>getRegrCountRexNode</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> getRegrCountRexNode​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| <a href="../../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a> argOrdinals, |
| com.google.common.collect.ImmutableList<<a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>> operandTypes, |
| int filterArg)</pre> |
| </li> |
| </ul> |
| <a id="reduceRegrSzz(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,java.util.List,java.util.Map,java.util.List,int,int,int)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>reduceRegrSzz</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> reduceRegrSzz​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs, |
| int xIndex, |
| int yIndex, |
| int nullFilterIndex)</pre> |
| </li> |
| </ul> |
| <a id="reduceCovariance(org.apache.calcite.rel.core.Aggregate,org.apache.calcite.rel.core.AggregateCall,boolean,java.util.List,java.util.Map,java.util.List)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>reduceCovariance</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> reduceCovariance​(<a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggRel, |
| <a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a> oldCall, |
| boolean biased, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newCalls, |
| java.util.Map<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>,​<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> aggCallMapping, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> inputExprs)</pre> |
| </li> |
| </ul> |
| <a id="divide(boolean,org.apache.calcite.rex.RexBuilder,org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode,org.apache.calcite.rex.RexNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>divide</h4> |
| <pre class="methodSignature">private <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> divide​(boolean biased, |
| <a href="../../rex/RexBuilder.html" title="class in org.apache.calcite.rex">RexBuilder</a> rexBuilder, |
| <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> sumXY, |
| <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> sumXSumY, |
| <a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> countArg)</pre> |
| </li> |
| </ul> |
| <a id="lookupOrAdd(java.util.List,java.lang.Object)"> |
| <!-- --> |
| </a><a id="lookupOrAdd(java.util.List,T)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>lookupOrAdd</h4> |
| <pre class="methodSignature">private static <T> int lookupOrAdd​(java.util.List<T> list, |
| T element)</pre> |
| <div class="block">Finds the ordinal of an element in a list, or adds it.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - Element type</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>list</code> - List</dd> |
| <dd><code>element</code> - Element to lookup or add</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Ordinal of element in list</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="newAggregateRel(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,java.util.List)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>newAggregateRel</h4> |
| <pre class="methodSignature">protected void newAggregateRel​(<a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> relBuilder, |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> oldAggregate, |
| java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> 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>relBuilder</code> - Builder of relational expressions; at the top of its |
| stack is its input</dd> |
| <dd><code>oldAggregate</code> - LogicalAggregate to clone.</dd> |
| <dd><code>newCalls</code> - New list of AggregateCalls</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="newCalcRel(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.type.RelDataType,java.util.List)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>newCalcRel</h4> |
| <pre class="methodSignature">protected void newCalcRel​(<a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> relBuilder, |
| <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType, |
| java.util.List<<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>> exprs)</pre> |
| <div class="block">Add a calc with the expressions to compute the original agg calls from the |
| decomposed ones.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>relBuilder</code> - Builder of relational expressions; at the top of its |
| stack is its input</dd> |
| <dd><code>rowType</code> - The output row type of the original aggregate.</dd> |
| <dd><code>exprs</code> - The expressions to compute the original agg calls.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getFieldType(org.apache.calcite.rel.RelNode,int)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getFieldType</h4> |
| <pre class="methodSignature">private <a href="../type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> getFieldType​(<a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> relNode, |
| int i)</pre> |
| </li> |
| </ul> |
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