Google Git
Sign in
apache / beam-site / refs/heads/updates_release_2.8.0 / . / javadoc / 2.8.0 / org / apache / beam / sdk / extensions / sql / impl / interpreter / operator / date / BeamSqlTimestampMinusTimestampExpression.html
blob: 7ec57a721fe7ad8ce4821163f943feadc93d55fc [file] [log] [blame]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="en">
<head>
<!-- Generated by javadoc (1.8.0_161-google-v7) on Thu Oct 18 16:14:32 PDT 2018 -->
<title>BeamSqlTimestampMinusTimestampExpression (Apache Beam 2.8.0-SNAPSHOT)</title>
<meta name="date" content="2018-10-18">
<link rel="stylesheet" type="text/css" href="../../../../../../../../../../stylesheet.css" title="Style">
<script type="text/javascript" src="../../../../../../../../../../script.js"></script>
</head>
<body>
<script type="text/javascript"><!--
try {
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="BeamSqlTimestampMinusTimestampExpression (Apache Beam 2.8.0-SNAPSHOT)";
}
}
catch(err) {
}
//-->
var methods = {"i0":10,"i1":10};
var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
var altColor = "altColor";
var rowColor = "rowColor";
var tableTab = "tableTab";
var activeTableTab = "activeTableTab";
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar.top">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
<a name="navbar.top.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../../../../../../overview-summary.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>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/BeamSqlTimestampMinusIntervalExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
<li><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/TimeUnitUtils.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../../../../../../index.html?org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/BeamSqlTimestampMinusTimestampExpression.html" target="_top">Frames</a></li>
<li><a href="BeamSqlTimestampMinusTimestampExpression.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../../../../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li><a href="#fields.inherited.from.class.org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.detail">Method</a></li>
</ul>
</div>
<a name="skip.navbar.top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="subTitle">org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date</div>
<h2 title="Class BeamSqlTimestampMinusTimestampExpression" class="title">Class BeamSqlTimestampMinusTimestampExpression</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression</a></li>
<li>
<ul class="inheritance">
<li>org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date.BeamSqlTimestampMinusTimestampExpression</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd>java.io.Serializable</dd>
</dl>
<hr>
<br>
<pre>public class <span class="typeNameLabel">BeamSqlTimestampMinusTimestampExpression</span>
extends <a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlExpression</a></pre>
<div class="block">Infix '-' operation for timestamps.
<p>Currently this implementation is specific to how Calcite parses 'TIMESTAMPDIFF(..)'. It
converts the TIMESTAMPDIFF() call into infix minus and normalizes it with corresponding
TimeUnit's multiplier.
<p>See <a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/BeamSqlDatetimeMinusExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date"><code>BeamSqlDatetimeMinusExpression</code></a> for other kinds of datetime types subtraction.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../../../../serialized-form.html#org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date.BeamSqlTimestampMinusTimestampExpression">Serialized Form</a></dd>
</dl>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- =========== FIELD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.summary">
<!-- -->
</a>
<h3>Field Summary</h3>
<ul class="blockList">
<li class="blockList"><a name="fields.inherited.from.class.org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression">
<!-- -->
</a>
<h3>Fields inherited from class&nbsp;org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.<a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlExpression</a></h3>
<code><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#operands">operands</a>, <a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#outputType">outputType</a></code></li>
</ul>
</li>
</ul>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.summary">
<!-- -->
</a>
<h3>Constructor Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/BeamSqlTimestampMinusTimestampExpression.html#BeamSqlTimestampMinusTimestampExpression-java.util.List-org.apache.calcite.sql.type.SqlTypeName-">BeamSqlTimestampMinusTimestampExpression</a></span>(java.util.List&lt;<a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlExpression</a>&gt;&nbsp;operands,
org.apache.calcite.sql.type.SqlTypeName&nbsp;intervalType)</code>&nbsp;</td>
</tr>
</table>
</li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method.summary">
<!-- -->
</a>
<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/BeamSqlTimestampMinusTimestampExpression.html#accept--">accept</a></span>()</code>
<div class="block">Requires exactly 2 operands.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlPrimitive.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlPrimitive</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/BeamSqlTimestampMinusTimestampExpression.html#evaluate-org.apache.beam.sdk.values.Row-org.apache.beam.sdk.transforms.windowing.BoundedWindow-org.apache.beam.sdk.extensions.sql.impl.interpreter.BeamSqlExpressionEnvironment-">evaluate</a></span>(<a href="../../../../../../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values">Row</a>&nbsp;inputRow,
<a href="../../../../../../../../../../org/apache/beam/sdk/transforms/windowing/BoundedWindow.html" title="class in org.apache.beam.sdk.transforms.windowing">BoundedWindow</a>&nbsp;window,
<a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/BeamSqlExpressionEnvironment.html" title="interface in org.apache.beam.sdk.extensions.sql.impl.interpreter">BeamSqlExpressionEnvironment</a>&nbsp;env)</code>
<div class="block">Returns the count of intervals between dates, times TimeUnit.multiplier of the interval type.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.<a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlExpression</a></h3>
<code><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#getOperands--">getOperands</a>, <a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#getOutputType--">getOutputType</a>, <a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#numberOfOperands--">numberOfOperands</a>, <a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#op-int-">op</a>, <a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#opType-int-">opType</a>, <a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#opValueEvaluated-int-org.apache.beam.sdk.values.Row-org.apache.beam.sdk.transforms.windowing.BoundedWindow-org.apache.beam.sdk.extensions.sql.impl.interpreter.BeamSqlExpressionEnvironment-">opValueEvaluated</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.detail">
<!-- -->
</a>
<h3>Constructor Detail</h3>
<a name="BeamSqlTimestampMinusTimestampExpression-java.util.List-org.apache.calcite.sql.type.SqlTypeName-">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>BeamSqlTimestampMinusTimestampExpression</h4>
<pre>public&nbsp;BeamSqlTimestampMinusTimestampExpression(java.util.List&lt;<a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlExpression</a>&gt;&nbsp;operands,
org.apache.calcite.sql.type.SqlTypeName&nbsp;intervalType)</pre>
</li>
</ul>
</li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- -->
</a>
<h3>Method Detail</h3>
<a name="accept--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>accept</h4>
<pre>public&nbsp;boolean&nbsp;accept()</pre>
<div class="block">Requires exactly 2 operands. One should be a timestamp, another an interval</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#accept--">accept</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlExpression</a></code></dd>
</dl>
</li>
</ul>
<a name="evaluate-org.apache.beam.sdk.values.Row-org.apache.beam.sdk.transforms.windowing.BoundedWindow-org.apache.beam.sdk.extensions.sql.impl.interpreter.BeamSqlExpressionEnvironment-">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>evaluate</h4>
<pre>public&nbsp;<a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlPrimitive.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlPrimitive</a>&nbsp;evaluate(<a href="../../../../../../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values">Row</a>&nbsp;inputRow,
<a href="../../../../../../../../../../org/apache/beam/sdk/transforms/windowing/BoundedWindow.html" title="class in org.apache.beam.sdk.transforms.windowing">BoundedWindow</a>&nbsp;window,
<a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/BeamSqlExpressionEnvironment.html" title="interface in org.apache.beam.sdk.extensions.sql.impl.interpreter">BeamSqlExpressionEnvironment</a>&nbsp;env)</pre>
<div class="block">Returns the count of intervals between dates, times TimeUnit.multiplier of the interval type.
Calcite deals with all intervals this way. Whenever there is an interval, its value is always
multiplied by the corresponding TimeUnit.multiplier</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html#evaluate-org.apache.beam.sdk.values.Row-org.apache.beam.sdk.transforms.windowing.BoundedWindow-org.apache.beam.sdk.extensions.sql.impl.interpreter.BeamSqlExpressionEnvironment-">evaluate</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator">BeamSqlExpression</a></code></dd>
</dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
<!-- ========= END OF CLASS DATA ========= -->
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a name="navbar.bottom">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
<a name="navbar.bottom.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../../../../../../overview-summary.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>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/BeamSqlTimestampMinusIntervalExpression.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
<li><a href="../../../../../../../../../../org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/TimeUnitUtils.html" title="class in org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../../../../../../index.html?org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/date/BeamSqlTimestampMinusTimestampExpression.html" target="_top">Frames</a></li>
<li><a href="BeamSqlTimestampMinusTimestampExpression.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../../../../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li><a href="#fields.inherited.from.class.org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.detail">Method</a></li>
</ul>
</div>
<a name="skip.navbar.bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
</body>
</html>