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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.calcite.adapter.enumerable</a></div> |
| <h1 title="Interface WinAggResetContext" class="title">Interface WinAggResetContext</h1> |
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| <section class="class-description" id="class-description"> |
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| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="AggResetContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggResetContext</a></code>, <code><a href="NestedBlockBuilder.html" title="interface in org.apache.calcite.adapter.enumerable">NestedBlockBuilder</a></code>, <code><a href="WinAggFrameContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggFrameContext</a></code></dd> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="impl/WinAggResetContextImpl.html" title="class in org.apache.calcite.adapter.enumerable.impl">WinAggResetContextImpl</a></code></dd> |
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| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">WinAggResetContext</span><span class="extends-implements"> |
| extends <a href="AggResetContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggResetContext</a>, <a href="WinAggFrameContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggFrameContext</a></span></div> |
| <div class="block">Information for a call to |
| <a href="AggImplementor.html#implementReset(org.apache.calcite.adapter.enumerable.AggContext,org.apache.calcite.adapter.enumerable.AggResetContext)"><code>AggImplementor.implementReset(AggContext, AggResetContext)</code></a>. |
| |
| <p>The <a href="AggResetContext.html" title="interface in org.apache.calcite.adapter.enumerable"><code>AggResetContext</code></a> provides access to the accumulator variables |
| that should be reset. |
| |
| <p>Note: the very first reset of windowed aggregates is performed with null |
| knowledge of indices and row count in the partition. |
| In other words, the implementation should treat indices and partition row |
| count as a hint to pre-size the collections.</div> |
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| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
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| <h3 id="methods-inherited-from-class-org.apache.calcite.adapter.enumerable.AggResetContext">Methods inherited from interface org.apache.calcite.adapter.enumerable.<a href="AggResetContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggResetContext</a></h3> |
| <code><a href="AggResetContext.html#accumulator()">accumulator</a></code></div> |
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| <h3 id="methods-inherited-from-class-org.apache.calcite.adapter.enumerable.NestedBlockBuilder">Methods inherited from interface org.apache.calcite.adapter.enumerable.<a href="NestedBlockBuilder.html" title="interface in org.apache.calcite.adapter.enumerable">NestedBlockBuilder</a></h3> |
| <code><a href="NestedBlockBuilder.html#currentBlock()">currentBlock</a>, <a href="NestedBlockBuilder.html#exitBlock()">exitBlock</a>, <a href="NestedBlockBuilder.html#nestBlock()">nestBlock</a>, <a href="NestedBlockBuilder.html#nestBlock(org.apache.calcite.linq4j.tree.BlockBuilder)">nestBlock</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.adapter.enumerable.WinAggFrameContext">Methods inherited from interface org.apache.calcite.adapter.enumerable.<a href="WinAggFrameContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggFrameContext</a></h3> |
| <code><a href="WinAggFrameContext.html#endIndex()">endIndex</a>, <a href="WinAggFrameContext.html#getFrameRowCount()">getFrameRowCount</a>, <a href="WinAggFrameContext.html#getPartitionRowCount()">getPartitionRowCount</a>, <a href="WinAggFrameContext.html#hasRows()">hasRows</a>, <a href="WinAggFrameContext.html#index()">index</a>, <a href="WinAggFrameContext.html#startIndex()">startIndex</a></code></div> |
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