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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.adapter.enumerable</a></div> |
| <h2 title="Interface AggregateLambdaFactory" class="title">Interface AggregateLambdaFactory<TSource,​TOrigAccumulate,​TAccumulate,​TResult,​TKey></h2> |
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| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>TSource</code> - Type of the enumerable input source</dd> |
| <dd><code>TOrigAccumulate</code> - Type of the original accumulator</dd> |
| <dd><code>TAccumulate</code> - Type of the varied accumulator</dd> |
| <dd><code>TResult</code> - Type of the enumerable output result</dd> |
| <dd><code>TKey</code> - Type of the group-by key</dd> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="BasicAggregateLambdaFactory.html" title="class in org.apache.calcite.adapter.enumerable">BasicAggregateLambdaFactory</a></code>, <code><a href="LazyAggregateLambdaFactory.html" title="class in org.apache.calcite.adapter.enumerable">LazyAggregateLambdaFactory</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">AggregateLambdaFactory<TSource,​TOrigAccumulate,​TAccumulate,​TResult,​TKey></span></pre> |
| <div class="block">Generates lambda functions used in <a href="EnumerableAggregate.html" title="class in org.apache.calcite.adapter.enumerable"><code>EnumerableAggregate</code></a>. |
| |
| <p>This interface allows a implicit accumulator type variation. |
| (<code>OAccumulate</code> -> <code>TAccumulate</code>)</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TSource</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#accumulatorAdder()">accumulatorAdder</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../linq4j/function/Function0.html" title="interface in org.apache.calcite.linq4j.function">Function0</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#accumulatorInitializer()">accumulatorInitializer</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TKey</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TResult</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resultSelector(org.apache.calcite.linq4j.function.Function2)">resultSelector</a></span>​(<a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TKey</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TOrigAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TResult</a>> resultSelector)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../linq4j/function/Function1.html" title="interface in org.apache.calcite.linq4j.function">Function1</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TResult</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#singleGroupResultSelector(org.apache.calcite.linq4j.function.Function1)">singleGroupResultSelector</a></span>​(<a href="../../linq4j/function/Function1.html" title="interface in org.apache.calcite.linq4j.function">Function1</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TOrigAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TResult</a>> resultSelector)</code></th> |
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| <h4>accumulatorInitializer</h4> |
| <pre class="methodSignature"><a href="../../linq4j/function/Function0.html" title="interface in org.apache.calcite.linq4j.function">Function0</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>> accumulatorInitializer()</pre> |
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| <h4>accumulatorAdder</h4> |
| <pre class="methodSignature"><a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TSource</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>> accumulatorAdder()</pre> |
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| <pre class="methodSignature"><a href="../../linq4j/function/Function1.html" title="interface in org.apache.calcite.linq4j.function">Function1</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TResult</a>> singleGroupResultSelector​(<a href="../../linq4j/function/Function1.html" title="interface in org.apache.calcite.linq4j.function">Function1</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TOrigAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TResult</a>> resultSelector)</pre> |
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| <pre class="methodSignature"><a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TKey</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TResult</a>> resultSelector​(<a href="../../linq4j/function/Function2.html" title="interface in org.apache.calcite.linq4j.function">Function2</a><<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TKey</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TOrigAccumulate</a>,​<a href="AggregateLambdaFactory.html" title="type parameter in AggregateLambdaFactory">TResult</a>> resultSelector)</pre> |
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