| <!DOCTYPE HTML> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc --> |
| <title>WinAggImplementor (Apache Calcite calcite API)</title> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <meta name="description" content="declaration: package: org.apache.calcite.adapter.enumerable, interface: WinAggImplementor"> |
| <meta name="generator" content="javadoc/ClassWriterImpl"> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../script-dir/jquery-ui.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jszip/dist/jszip.min.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jszip-utils/dist/jszip-utils.min.js"></script> |
| <!--[if IE]> |
| <script type="text/javascript" src="../../../../../script-dir/jszip-utils/dist/jszip-utils-ie.min.js"></script> |
| <![endif]--> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-3.4.1.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-ui.js"></script> |
| </head> |
| <body class="class-declaration"> |
| <script type="text/javascript">var data = {"i0":6}; |
| var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| var pathtoroot = "../../../../../"; |
| loadScripts(document, 'script');</script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <div class="flexBox"> |
| <header role="banner" class="flexHeader"> |
| <nav role="navigation"> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a id="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a id="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../index.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| <div class="aboutLanguage"><b>Apache Calcite</b></div> |
| </div> |
| <div class="subNav"> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li><a href="#nested.class.summary">Nested</a> | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <div class="navListSearch"><label for="search">SEARCH:</label> |
| <input type="text" id="search" value="search" disabled="disabled"> |
| <input type="reset" id="reset" value="reset" disabled="disabled"> |
| </div> |
| </div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <div class="skipNav"><a id="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| </nav> |
| </header> |
| <div class="flexContent"> |
| <main role="main"> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.adapter.enumerable</a></div> |
| <h1 title="Interface WinAggImplementor" class="title">Interface WinAggImplementor</h1> |
| </div> |
| <div class="contentContainer"> |
| <section class="description"> |
| <dl> |
| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="AggImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">AggImplementor</a></code></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="RexImpTable.LagImplementor.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable.LagImplementor</a></code>, <code><a href="RexImpTable.LeadImplementor.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable.LeadImplementor</a></code>, <code><a href="StrictWinAggImplementor.html" title="class in org.apache.calcite.adapter.enumerable">StrictWinAggImplementor</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public interface <span class="typeNameLabel">WinAggImplementor</span> |
| extends <a href="AggImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">AggImplementor</a></pre> |
| <div class="block">Implements a windowed aggregate function by generating expressions to |
| initialize, add to, and get a result from, an accumulator. |
| Windowed aggregate is more powerful than regular aggregate since it can |
| access rows in the current partition by row indices. |
| Regular aggregate can be used to implement windowed aggregate. |
| <p>This interface does not define new methods: window-specific |
| sub-interfaces are passed when implementing window aggregate.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="StrictWinAggImplementor.html" title="class in org.apache.calcite.adapter.enumerable"><code>StrictWinAggImplementor</code></a>, |
| <code>RexImpTable.FirstLastValueImplementor</code>, |
| <code>RexImpTable.RankImplementor</code>, |
| <code>RexImpTable.RowNumberImplementor</code></dd> |
| </dl> |
| </section> |
| <section class="summary"> |
| <ul class="blockList"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <li class="blockList"> |
| <section class="nestedClassSummary"><a id="nested.class.summary"> |
| <!-- --> |
| </a> |
| <h2>Nested Class Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="WinAggImplementor.SeekType.html" title="enum in org.apache.calcite.adapter.enumerable">WinAggImplementor.SeekType</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Allows to access rows in window partition relative to first/last and |
| current row.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li class="blockList"> |
| <section class="methodSummary"><a id="method.summary"> |
| <!-- --> |
| </a> |
| <h2>Method Summary</h2> |
| <div class="memberSummary"> |
| <div role="tablist" aria-orientation="horizontal"><button role="tab" aria-selected="true" aria-controls="memberSummary_tabpanel" tabindex="0" onkeydown="switchTab(event)" id="t0" class="activeTableTab">All Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t2" class="tableTab" onclick="show(2);">Instance Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t3" class="tableTab" onclick="show(4);">Abstract Methods</button></div> |
| <div id="memberSummary_tabpanel" role="tabpanel"> |
| <table aria-labelledby="t0"> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#needCacheWhenFrameIntact()">needCacheWhenFrameIntact</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from interface org.apache.calcite.adapter.enumerable.<a href="AggImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">AggImplementor</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.adapter.enumerable.AggImplementor"> |
| <!-- --> |
| </a><code><a href="AggImplementor.html#getStateType(org.apache.calcite.adapter.enumerable.AggContext)">getStateType</a>, <a href="AggImplementor.html#implementAdd(org.apache.calcite.adapter.enumerable.AggContext,org.apache.calcite.adapter.enumerable.AggAddContext)">implementAdd</a>, <a href="AggImplementor.html#implementReset(org.apache.calcite.adapter.enumerable.AggContext,org.apache.calcite.adapter.enumerable.AggResetContext)">implementReset</a>, <a href="AggImplementor.html#implementResult(org.apache.calcite.adapter.enumerable.AggContext,org.apache.calcite.adapter.enumerable.AggResultContext)">implementResult</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li class="blockList"> |
| <section class="methodDetails"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h2>Method Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="needCacheWhenFrameIntact()">needCacheWhenFrameIntact</a></h3> |
| <div class="memberSignature"><span class="returnType">boolean</span> <span class="memberName">needCacheWhenFrameIntact</span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
| </main> |
| <footer role="contentinfo"> |
| <nav role="navigation"> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a id="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a id="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../index.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| <div class="aboutLanguage"><b>Apache Calcite</b></div> |
| </div> |
| <div class="subNav"> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li><a href="#nested.class.summary">Nested</a> | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| </div> |
| <a id="skip.navbar.bottom"> |
| <!-- --> |
| </a> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| </nav> |
| <p class="legalCopy"><small>Copyright © 2012-2020 Apache Software Foundation. All Rights Reserved.</small></p> |
| </footer> |
| </div> |
| </div> |
| </body> |
| </html> |