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| <h2 title="Interface AggResetContext" class="title">Interface AggResetContext</h2> |
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| <dd><code><a href="AggAddContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggAddContext</a></code>, <code><a href="AggResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggResultContext</a></code>, <code><a href="WinAggAddContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggAddContext</a></code>, <code><a href="WinAggResetContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggResetContext</a></code>, <code><a href="WinAggResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggResultContext</a></code></dd> |
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| <dd><code><a href="impl/AggAddContextImpl.html" title="class in org.apache.calcite.adapter.enumerable.impl">AggAddContextImpl</a></code>, <code><a href="impl/AggResetContextImpl.html" title="class in org.apache.calcite.adapter.enumerable.impl">AggResetContextImpl</a></code>, <code><a href="impl/AggResultContextImpl.html" title="class in org.apache.calcite.adapter.enumerable.impl">AggResultContextImpl</a></code>, <code><a href="impl/WinAggAddContextImpl.html" title="class in org.apache.calcite.adapter.enumerable.impl">WinAggAddContextImpl</a></code>, <code><a href="impl/WinAggResetContextImpl.html" title="class in org.apache.calcite.adapter.enumerable.impl">WinAggResetContextImpl</a></code>, <code><a href="impl/WinAggResultContextImpl.html" title="class in org.apache.calcite.adapter.enumerable.impl">WinAggResultContextImpl</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">AggResetContext</span> |
| extends <a href="NestedBlockBuilder.html" title="interface in org.apache.calcite.adapter.enumerable">NestedBlockBuilder</a></pre> |
| <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><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.</div> |
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| <td class="colFirst"><code>java.util.List<<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#accumulator()">accumulator</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns accumulator variables that should be reset.</div> |
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| <code><a href="NestedBlockBuilder.html#currentBlock()">currentBlock</a>, <a href="NestedBlockBuilder.html#currentNullables()">currentNullables</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>, <a href="NestedBlockBuilder.html#nestBlock(org.apache.calcite.linq4j.tree.BlockBuilder,java.util.Map)">nestBlock</a></code></li> |
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| <h4>accumulator</h4> |
| <pre class="methodSignature">java.util.List<<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> accumulator()</pre> |
| <div class="block">Returns accumulator variables that should be reset. |
| There MUST be an assignment even if you just assign the default value.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>accumulator variables that should be reset or empty list when no |
| accumulator variables are used by the aggregate implementation.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="AggImplementor.html#getStateType(org.apache.calcite.adapter.enumerable.AggContext)"><code>AggImplementor.getStateType(org.apache.calcite.adapter.enumerable.AggContext)</code></a></dd> |
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