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| <li><a href="SubstitutionVisitor.UnifyRule.html" title="class in org.apache.calcite.plan">org.apache.calcite.plan.SubstitutionVisitor.UnifyRule</a></li> |
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| <li><a href="SubstitutionVisitor.AbstractUnifyRule.html" title="class in org.apache.calcite.plan">org.apache.calcite.plan.SubstitutionVisitor.AbstractUnifyRule</a></li> |
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| <li>org.apache.calcite.plan.SubstitutionVisitor.AggregateToAggregateUnifyRule</li> |
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| <pre>private static class <span class="typeNameLabel">SubstitutionVisitor.AggregateToAggregateUnifyRule</span> |
| extends <a href="SubstitutionVisitor.AbstractUnifyRule.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.AbstractUnifyRule</a></pre> |
| <div class="block">Implementation of <a href="SubstitutionVisitor.UnifyRule.html" title="class in org.apache.calcite.plan"><code>SubstitutionVisitor.UnifyRule</code></a> that matches a |
| <a href="../rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> to a |
| <a href="../rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a>, provided |
| that they have the same child.</div> |
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| <td class="colFirst"><code>static <a href="SubstitutionVisitor.AggregateToAggregateUnifyRule.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.AggregateToAggregateUnifyRule</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#INSTANCE">INSTANCE</a></span></code></th> |
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| <code><a href="SubstitutionVisitor.UnifyRule.html#queryOperand">queryOperand</a>, <a href="SubstitutionVisitor.UnifyRule.html#slotCount">slotCount</a>, <a href="SubstitutionVisitor.UnifyRule.html#targetOperand">targetOperand</a></code></li> |
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| <td class="colFirst"><code>private </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">AggregateToAggregateUnifyRule</a></span>()</code></th> |
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| <td class="colFirst"><code><a href="SubstitutionVisitor.UnifyResult.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.UnifyResult</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(org.apache.calcite.plan.SubstitutionVisitor.UnifyRuleCall)">apply</a></span>​(<a href="SubstitutionVisitor.UnifyRuleCall.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.UnifyRuleCall</a> call)</code></th> |
| <td class="colLast"> |
| <div class="block">Applies this rule to a particular node in a query.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class org.apache.calcite.plan.<a href="SubstitutionVisitor.AbstractUnifyRule.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.AbstractUnifyRule</a></h3> |
| <code><a href="SubstitutionVisitor.AbstractUnifyRule.html#any(java.lang.Class)">any</a>, <a href="SubstitutionVisitor.AbstractUnifyRule.html#isValid()">isValid</a>, <a href="SubstitutionVisitor.AbstractUnifyRule.html#operand(java.lang.Class,org.apache.calcite.plan.SubstitutionVisitor.Operand...)">operand</a>, <a href="SubstitutionVisitor.AbstractUnifyRule.html#query(int)">query</a>, <a href="SubstitutionVisitor.AbstractUnifyRule.html#target(int)">target</a></code></li> |
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| <code><a href="SubstitutionVisitor.UnifyRule.html#copy(E%5B%5D,int)">copy</a>, <a href="SubstitutionVisitor.UnifyRule.html#match(org.apache.calcite.plan.SubstitutionVisitor,org.apache.calcite.rel.mutable.MutableRel,org.apache.calcite.rel.mutable.MutableRel)">match</a></code></li> |
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| <pre>public static final <a href="SubstitutionVisitor.AggregateToAggregateUnifyRule.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.AggregateToAggregateUnifyRule</a> INSTANCE</pre> |
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| <h4>AggregateToAggregateUnifyRule</h4> |
| <pre>private AggregateToAggregateUnifyRule()</pre> |
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| <h4>apply</h4> |
| <pre class="methodSignature">public <a href="SubstitutionVisitor.UnifyResult.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.UnifyResult</a> apply​(<a href="SubstitutionVisitor.UnifyRuleCall.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.UnifyRuleCall</a> call)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SubstitutionVisitor.UnifyRule.html#apply(org.apache.calcite.plan.SubstitutionVisitor.UnifyRuleCall)">SubstitutionVisitor.UnifyRule</a></code></span></div> |
| <div class="block"><p>Applies this rule to a particular node in a query. The goal is |
| to convert <code>query</code> into <code>target</code>. Before the rule is |
| invoked, Calcite has made sure that query's children are equivalent |
| to target's children. |
| |
| <p>There are 3 possible outcomes:</p> |
| |
| <ul> |
| |
| <li><code>query</code> already exactly matches <code>target</code>; returns |
| <code>target</code></li> |
| |
| <li><code>query</code> is sufficiently close to a match for |
| <code>target</code>; returns <code>target</code></li> |
| |
| <li><code>query</code> cannot be made to match <code>target</code>; returns |
| null</li> |
| |
| </ul> |
| |
| <p>REVIEW: Is possible that we match query PLUS one or more of its |
| ancestors?</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SubstitutionVisitor.UnifyRule.html#apply(org.apache.calcite.plan.SubstitutionVisitor.UnifyRuleCall)">apply</a></code> in class <code><a href="SubstitutionVisitor.UnifyRule.html" title="class in org.apache.calcite.plan">SubstitutionVisitor.UnifyRule</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>call</code> - Input parameters</dd> |
| </dl> |
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