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<h2 title="接口 WinAggResetContext" class="title">接口 WinAggResetContext</h2>
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<dt>所有超级接口:</dt>
<dd><a href="../../../../../org/apache/calcite/adapter/enumerable/AggResetContext.html" title="org.apache.calcite.adapter.enumerable中的接口">AggResetContext</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/NestedBlockBuilder.html" title="org.apache.calcite.adapter.enumerable中的接口">NestedBlockBuilder</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/WinAggFrameContext.html" title="org.apache.calcite.adapter.enumerable中的接口">WinAggFrameContext</a></dd>
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<dt>所有已知实现类:</dt>
<dd><a href="../../../../../org/apache/calcite/adapter/enumerable/impl/WinAggResetContextImpl.html" title="org.apache.calcite.adapter.enumerable.impl中的类">WinAggResetContextImpl</a></dd>
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<pre>public interface <span class="typeNameLabel">WinAggResetContext</span>
extends <a href="../../../../../org/apache/calcite/adapter/enumerable/AggResetContext.html" title="org.apache.calcite.adapter.enumerable中的接口">AggResetContext</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/WinAggFrameContext.html" title="org.apache.calcite.adapter.enumerable中的接口">WinAggFrameContext</a></pre>
<div class="block">Information for a call to
<a href="../../../../../org/apache/calcite/adapter/enumerable/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="../../../../../org/apache/calcite/adapter/enumerable/AggResetContext.html" title="org.apache.calcite.adapter.enumerable中的接口"><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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<code><a href="../../../../../org/apache/calcite/adapter/enumerable/AggResetContext.html#accumulator--">accumulator</a></code></li>
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<code><a href="../../../../../org/apache/calcite/adapter/enumerable/WinAggFrameContext.html#endIndex--">endIndex</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/WinAggFrameContext.html#getFrameRowCount--">getFrameRowCount</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/WinAggFrameContext.html#getPartitionRowCount--">getPartitionRowCount</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/WinAggFrameContext.html#hasRows--">hasRows</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/WinAggFrameContext.html#index--">index</a>, <a href="../../../../../org/apache/calcite/adapter/enumerable/WinAggFrameContext.html#startIndex--">startIndex</a></code></li>
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