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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 AggregateExpandDistinctAggregatesRule" class="title">Class AggregateExpandDistinctAggregatesRule</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.AggregateExpandDistinctAggregatesRule</li> |
| </ul> |
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| <pre>public final class <span class="typeNameLabel">AggregateExpandDistinctAggregatesRule</span> |
| extends <a href="../../plan/RelOptRule.html" title="class in org.apache.calcite.plan">RelOptRule</a></pre> |
| <div class="block">Planner rule that expands distinct aggregates |
| (such as <code>COUNT(DISTINCT x)</code>) from a |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a>. |
| |
| <p>How this is done depends upon the arguments to the function. If all |
| functions have the same argument |
| (e.g. <code>COUNT(DISTINCT x), SUM(DISTINCT x)</code> both have the argument |
| <code>x</code>) then one extra <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> is |
| sufficient. |
| |
| <p>If there are multiple arguments |
| (e.g. <code>COUNT(DISTINCT x), COUNT(DISTINCT y)</code>) |
| the rule creates separate <code>Aggregate</code>s and combines using a |
| <a href="../core/Join.html" title="class in org.apache.calcite.rel.core"><code>Join</code></a>.</div> |
| </li> |
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| <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="AggregateExpandDistinctAggregatesRule.html" title="class in org.apache.calcite.rel.rules">AggregateExpandDistinctAggregatesRule</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 default instance of the rule; operates only on logical expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="AggregateExpandDistinctAggregatesRule.html" title="class in org.apache.calcite.rel.rules">AggregateExpandDistinctAggregatesRule</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#JOIN">JOIN</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Instance of the rule that operates only on logical expressions and |
| generates a join.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#useGroupingSets">useGroupingSets</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
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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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| <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,boolean,org.apache.calcite.tools.RelBuilderFactory)">AggregateExpandDistinctAggregatesRule</a></span>​(java.lang.Class<? extends <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a>> clazz, |
| boolean useGroupingSets, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Class,boolean,org.apache.calcite.rel.core.RelFactories.JoinFactory)">AggregateExpandDistinctAggregatesRule</a></span>​(java.lang.Class<? extends <a href="../logical/LogicalAggregate.html" title="class in org.apache.calcite.rel.logical">LogicalAggregate</a>> clazz, |
| boolean useGroupingSets, |
| <a href="../core/RelFactories.JoinFactory.html" title="interface in org.apache.calcite.rel.core">RelFactories.JoinFactory</a> joinFactory)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Class,org.apache.calcite.rel.core.RelFactories.JoinFactory)">AggregateExpandDistinctAggregatesRule</a></span>​(java.lang.Class<? extends <a href="../logical/LogicalAggregate.html" title="class in org.apache.calcite.rel.logical">LogicalAggregate</a>> clazz, |
| <a href="../core/RelFactories.JoinFactory.html" title="interface in org.apache.calcite.rel.core">RelFactories.JoinFactory</a> joinFactory)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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| <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 <a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#convertMonopole(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,java.util.List,int)">convertMonopole</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> aggregate, |
| java.util.List<java.lang.Integer> argList, |
| int filterArg)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts an aggregate relational expression that contains just one |
| distinct aggregate function (or perhaps several over the same arguments) |
| and no non-distinct aggregate functions.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#convertSingletonDistinct(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,java.util.Set)">convertSingletonDistinct</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> aggregate, |
| java.util.Set<<a href="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><java.util.List<java.lang.Integer>,​java.lang.Integer>> argLists)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts an aggregate with one distinct aggregate and one or more |
| non-distinct aggregates to multi-phase aggregates (see reference example |
| below).</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private <a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSelectDistinct(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,java.util.List,int,java.util.Map)">createSelectDistinct</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> aggregate, |
| java.util.List<java.lang.Integer> argList, |
| int filterArg, |
| java.util.Map<java.lang.Integer,​java.lang.Integer> sourceOf)</code></th> |
| <td class="colLast"> |
| <div class="block">Given an <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> |
| and the ordinals of the arguments to a |
| particular call to an aggregate function, creates a 'select distinct' |
| relational expression which projects the group columns and those |
| arguments but nothing else.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#doRewrite(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,int,java.util.List,int,java.util.List)">doRewrite</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> aggregate, |
| int n, |
| java.util.List<java.lang.Integer> argList, |
| int filterArg, |
| java.util.List<<a href="../../rex/RexInputRef.html" title="class in org.apache.calcite.rex">RexInputRef</a>> refs)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts all distinct aggregate calls to a given set of arguments.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#groupValue(org.apache.calcite.util.ImmutableBitSet,org.apache.calcite.util.ImmutableBitSet)">groupValue</a></span>​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> fullGroupSet, |
| <a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" 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> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#remap(org.apache.calcite.util.ImmutableBitSet,int)">remap</a></span>​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| int arg)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>private static com.google.common.collect.ImmutableList<<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#remap(org.apache.calcite.util.ImmutableBitSet,java.lang.Iterable)">remap</a></span>​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| java.lang.Iterable<<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> bitSets)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>private static java.util.List<java.lang.Integer></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#remap(org.apache.calcite.util.ImmutableBitSet,java.util.List)">remap</a></span>​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| java.util.List<java.lang.Integer> argList)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>private static <a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#remap(org.apache.calcite.util.ImmutableBitSet,org.apache.calcite.util.ImmutableBitSet)">remap</a></span>​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| <a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> bitSet)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteAggCalls(java.util.List,java.util.List,java.util.Map)">rewriteAggCalls</a></span>​(java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newAggCalls, |
| java.util.List<java.lang.Integer> argList, |
| java.util.Map<java.lang.Integer,​java.lang.Integer> sourceOf)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteUsingGroupingSets(org.apache.calcite.plan.RelOptRuleCall,org.apache.calcite.rel.core.Aggregate)">rewriteUsingGroupingSets</a></span>​(<a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> call, |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> aggregate)</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#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"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a id="INSTANCE"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>INSTANCE</h4> |
| <pre>public static final <a href="AggregateExpandDistinctAggregatesRule.html" title="class in org.apache.calcite.rel.rules">AggregateExpandDistinctAggregatesRule</a> INSTANCE</pre> |
| <div class="block">The default instance of the rule; operates only on logical expressions.</div> |
| </li> |
| </ul> |
| <a id="JOIN"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>JOIN</h4> |
| <pre>public static final <a href="AggregateExpandDistinctAggregatesRule.html" title="class in org.apache.calcite.rel.rules">AggregateExpandDistinctAggregatesRule</a> JOIN</pre> |
| <div class="block">Instance of the rule that operates only on logical expressions and |
| generates a join.</div> |
| </li> |
| </ul> |
| <a id="useGroupingSets"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>useGroupingSets</h4> |
| <pre>public final boolean useGroupingSets</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>(java.lang.Class,boolean,org.apache.calcite.tools.RelBuilderFactory)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>AggregateExpandDistinctAggregatesRule</h4> |
| <pre>public AggregateExpandDistinctAggregatesRule​(java.lang.Class<? extends <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a>> clazz, |
| boolean useGroupingSets, |
| <a href="../../tools/RelBuilderFactory.html" title="interface in org.apache.calcite.tools">RelBuilderFactory</a> relBuilderFactory)</pre> |
| </li> |
| </ul> |
| <a id="<init>(java.lang.Class,boolean,org.apache.calcite.rel.core.RelFactories.JoinFactory)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>AggregateExpandDistinctAggregatesRule</h4> |
| <pre>@Deprecated |
| public AggregateExpandDistinctAggregatesRule​(java.lang.Class<? extends <a href="../logical/LogicalAggregate.html" title="class in org.apache.calcite.rel.logical">LogicalAggregate</a>> clazz, |
| boolean useGroupingSets, |
| <a href="../core/RelFactories.JoinFactory.html" title="interface in org.apache.calcite.rel.core">RelFactories.JoinFactory</a> joinFactory)</pre> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </li> |
| </ul> |
| <a id="<init>(java.lang.Class,org.apache.calcite.rel.core.RelFactories.JoinFactory)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>AggregateExpandDistinctAggregatesRule</h4> |
| <pre>@Deprecated |
| public AggregateExpandDistinctAggregatesRule​(java.lang.Class<? extends <a href="../logical/LogicalAggregate.html" title="class in org.apache.calcite.rel.logical">LogicalAggregate</a>> clazz, |
| <a href="../core/RelFactories.JoinFactory.html" title="interface in org.apache.calcite.rel.core">RelFactories.JoinFactory</a> joinFactory)</pre> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </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="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> 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> |
| </li> |
| </ul> |
| <a id="convertSingletonDistinct(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,java.util.Set)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>convertSingletonDistinct</h4> |
| <pre class="methodSignature">private <a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> convertSingletonDistinct​(<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> aggregate, |
| java.util.Set<<a href="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><java.util.List<java.lang.Integer>,​java.lang.Integer>> argLists)</pre> |
| <div class="block">Converts an aggregate with one distinct aggregate and one or more |
| non-distinct aggregates to multi-phase aggregates (see reference example |
| below).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>relBuilder</code> - Contains the input relational expression</dd> |
| <dd><code>aggregate</code> - Original aggregate</dd> |
| <dd><code>argLists</code> - Arguments and filters to the distinct aggregate function</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="rewriteUsingGroupingSets(org.apache.calcite.plan.RelOptRuleCall,org.apache.calcite.rel.core.Aggregate)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>rewriteUsingGroupingSets</h4> |
| <pre class="methodSignature">private void rewriteUsingGroupingSets​(<a href="../../plan/RelOptRuleCall.html" title="class in org.apache.calcite.plan">RelOptRuleCall</a> call, |
| <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core">Aggregate</a> aggregate)</pre> |
| </li> |
| </ul> |
| <a id="groupValue(org.apache.calcite.util.ImmutableBitSet,org.apache.calcite.util.ImmutableBitSet)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>groupValue</h4> |
| <pre class="methodSignature">private static long groupValue​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> fullGroupSet, |
| <a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet)</pre> |
| </li> |
| </ul> |
| <a id="remap(org.apache.calcite.util.ImmutableBitSet,org.apache.calcite.util.ImmutableBitSet)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>remap</h4> |
| <pre class="methodSignature">private static <a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> remap​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| <a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> bitSet)</pre> |
| </li> |
| </ul> |
| <a id="remap(org.apache.calcite.util.ImmutableBitSet,java.lang.Iterable)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>remap</h4> |
| <pre class="methodSignature">private static com.google.common.collect.ImmutableList<<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> remap​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| java.lang.Iterable<<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> bitSets)</pre> |
| </li> |
| </ul> |
| <a id="remap(org.apache.calcite.util.ImmutableBitSet,java.util.List)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>remap</h4> |
| <pre class="methodSignature">private static java.util.List<java.lang.Integer> remap​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| java.util.List<java.lang.Integer> argList)</pre> |
| </li> |
| </ul> |
| <a id="remap(org.apache.calcite.util.ImmutableBitSet,int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>remap</h4> |
| <pre class="methodSignature">private static int remap​(<a href="../../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> groupSet, |
| int arg)</pre> |
| </li> |
| </ul> |
| <a id="convertMonopole(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,java.util.List,int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>convertMonopole</h4> |
| <pre class="methodSignature">private <a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> convertMonopole​(<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> aggregate, |
| java.util.List<java.lang.Integer> argList, |
| int filterArg)</pre> |
| <div class="block">Converts an aggregate relational expression that contains just one |
| distinct aggregate function (or perhaps several over the same arguments) |
| and no non-distinct aggregate functions.</div> |
| </li> |
| </ul> |
| <a id="doRewrite(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,int,java.util.List,int,java.util.List)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>doRewrite</h4> |
| <pre class="methodSignature">private void doRewrite​(<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> aggregate, |
| int n, |
| java.util.List<java.lang.Integer> argList, |
| int filterArg, |
| java.util.List<<a href="../../rex/RexInputRef.html" title="class in org.apache.calcite.rex">RexInputRef</a>> refs)</pre> |
| <div class="block">Converts all distinct aggregate calls to a given set of arguments. |
| |
| <p>This method is called several times, one for each set of arguments. |
| Each time it is called, it generates a JOIN to a new SELECT DISTINCT |
| relational expression, and modifies the set of top-level calls.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>aggregate</code> - Original aggregate</dd> |
| <dd><code>n</code> - Ordinal of this in a join. <code>relBuilder</code> contains the |
| input relational expression (either the original |
| aggregate, the output from the previous call to this |
| method. <code>n</code> is 0 if we're converting the |
| first distinct aggregate in a query with no non-distinct |
| aggregates)</dd> |
| <dd><code>argList</code> - Arguments to the distinct aggregate function</dd> |
| <dd><code>filterArg</code> - Argument that filters input to aggregate function, or -1</dd> |
| <dd><code>refs</code> - Array of expressions which will be the projected by the |
| result of this rule. Those relating to this arg list will |
| be modified @return Relational expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="rewriteAggCalls(java.util.List,java.util.List,java.util.Map)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>rewriteAggCalls</h4> |
| <pre class="methodSignature">private static void rewriteAggCalls​(java.util.List<<a href="../core/AggregateCall.html" title="class in org.apache.calcite.rel.core">AggregateCall</a>> newAggCalls, |
| java.util.List<java.lang.Integer> argList, |
| java.util.Map<java.lang.Integer,​java.lang.Integer> sourceOf)</pre> |
| </li> |
| </ul> |
| <a id="createSelectDistinct(org.apache.calcite.tools.RelBuilder,org.apache.calcite.rel.core.Aggregate,java.util.List,int,java.util.Map)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>createSelectDistinct</h4> |
| <pre class="methodSignature">private <a href="../../tools/RelBuilder.html" title="class in org.apache.calcite.tools">RelBuilder</a> createSelectDistinct​(<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> aggregate, |
| java.util.List<java.lang.Integer> argList, |
| int filterArg, |
| java.util.Map<java.lang.Integer,​java.lang.Integer> sourceOf)</pre> |
| <div class="block">Given an <a href="../core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> |
| and the ordinals of the arguments to a |
| particular call to an aggregate function, creates a 'select distinct' |
| relational expression which projects the group columns and those |
| arguments but nothing else. |
| |
| <p>For example, given |
| |
| <blockquote> |
| <pre>select f0, count(distinct f1), count(distinct f2) |
| from t group by f0</pre> |
| </blockquote> |
| |
| <p>and the argument list |
| |
| <blockquote>{2}</blockquote> |
| |
| <p>returns |
| |
| <blockquote> |
| <pre>select distinct f0, f2 from t</pre> |
| </blockquote> |
| |
| <p>The <code>sourceOf</code> map is populated with the source of each |
| column; in this case sourceOf.get(0) = 0, and sourceOf.get(1) = 2.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>relBuilder</code> - Relational expression builder</dd> |
| <dd><code>aggregate</code> - Aggregate relational expression</dd> |
| <dd><code>argList</code> - Ordinals of columns to make distinct</dd> |
| <dd><code>filterArg</code> - Ordinal of column to filter on, or -1</dd> |
| <dd><code>sourceOf</code> - Out parameter, is populated with a map of where each |
| output field came from</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Aggregate relational expression which projects the required |
| columns</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </main> |
| <!-- ========= END OF CLASS DATA ========= --> |
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