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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 WinAggAddContext" class="title">Interface WinAggAddContext</h1> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="AggAddContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggAddContext</a></code>, <code><a href="AggResetContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggResetContext</a></code>, <code><a href="AggResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggResultContext</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>, <code><a href="WinAggFrameResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggFrameResultContext</a></code>, <code><a href="WinAggResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggResultContext</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="impl/WinAggAddContextImpl.html" title="class in org.apache.calcite.adapter.enumerable.impl">WinAggAddContextImpl</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">WinAggAddContext</span><span class="extends-implements"> |
| extends <a href="AggAddContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggAddContext</a>, <a href="WinAggResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggResultContext</a></span></div> |
| <div class="block">Information for a call to |
| <a href="AggImplementor.html#implementAdd(org.apache.calcite.adapter.enumerable.AggContext,org.apache.calcite.adapter.enumerable.AggAddContext)"><code>AggImplementor.implementAdd(AggContext, AggAddContext)</code></a>. |
| |
| <p><a href="WinAggAddContext.html" title="interface in org.apache.calcite.adapter.enumerable"><code>WinAggAddContext</code></a> is used when implementing windowed aggregate. |
| Typically, the aggregation implementation will use <a href="AggAddContext.html#arguments()"><code>AggAddContext.arguments()</code></a> |
| or <a href="AggAddContext.html#rexArguments()"><code>AggAddContext.rexArguments()</code></a> to update aggregate value.</div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="AggAddContext.html" title="interface in org.apache.calcite.adapter.enumerable"><code>AggAddContext</code></a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#currentPosition()" class="member-name-link">currentPosition</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Returns current position inside for-loop of window aggregate.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.adapter.enumerable.AggAddContext">Methods inherited from interface org.apache.calcite.adapter.enumerable.<a href="AggAddContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggAddContext</a></h3> |
| <code><a href="AggAddContext.html#arguments()">arguments</a>, <a href="AggAddContext.html#rexArguments()">rexArguments</a>, <a href="AggAddContext.html#rexFilterArgument()">rexFilterArgument</a>, <a href="AggAddContext.html#rowTranslator()">rowTranslator</a></code></div> |
| <div class="inherited-list"> |
| <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> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.adapter.enumerable.AggResultContext">Methods inherited from interface org.apache.calcite.adapter.enumerable.<a href="AggResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">AggResultContext</a></h3> |
| <code><a href="AggResultContext.html#call()">call</a>, <a href="AggResultContext.html#key()">key</a>, <a href="AggResultContext.html#keyField(int)">keyField</a></code></div> |
| <div class="inherited-list"> |
| <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> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.adapter.enumerable.WinAggFrameResultContext">Methods inherited from interface org.apache.calcite.adapter.enumerable.<a href="WinAggFrameResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggFrameResultContext</a></h3> |
| <code><a href="WinAggFrameResultContext.html#compareRows(org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.linq4j.tree.Expression)">compareRows</a>, <a href="WinAggFrameResultContext.html#computeIndex(org.apache.calcite.linq4j.tree.Expression,org.apache.calcite.adapter.enumerable.WinAggImplementor.SeekType)">computeIndex</a>, <a href="WinAggFrameResultContext.html#rowInFrame(org.apache.calcite.linq4j.tree.Expression)">rowInFrame</a>, <a href="WinAggFrameResultContext.html#rowInPartition(org.apache.calcite.linq4j.tree.Expression)">rowInPartition</a>, <a href="WinAggFrameResultContext.html#rowTranslator(org.apache.calcite.linq4j.tree.Expression)">rowTranslator</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.adapter.enumerable.WinAggResultContext">Methods inherited from interface org.apache.calcite.adapter.enumerable.<a href="WinAggResultContext.html" title="interface in org.apache.calcite.adapter.enumerable">WinAggResultContext</a></h3> |
| <code><a href="WinAggResultContext.html#arguments(org.apache.calcite.linq4j.tree.Expression)">arguments</a>, <a href="WinAggResultContext.html#rexArguments()">rexArguments</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="currentPosition()"> |
| <h3>currentPosition</h3> |
| <div class="member-signature"><span class="return-type"><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></span> <span class="element-name">currentPosition</span>()</div> |
| <div class="block">Returns current position inside for-loop of window aggregate. |
| Note, the position is relative to <a href="WinAggFrameContext.html#startIndex()"><code>WinAggFrameContext.startIndex()</code></a>. |
| This is NOT current row as in "rows between current row". |
| If you need to know the relative index of the current row in the partition, |
| use <a href="WinAggFrameContext.html#index()"><code>WinAggFrameContext.index()</code></a>.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>current position inside for-loop of window aggregate.</dd> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list-long"> |
| <li><a href="WinAggFrameContext.html#index()"><code>WinAggFrameContext.index()</code></a></li> |
| <li><a href="WinAggFrameContext.html#startIndex()"><code>WinAggFrameContext.startIndex()</code></a></li> |
| </ul> |
| </dd> |
| </dl> |
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