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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql</a></div>
<h1 title="Class SqlWindow" class="title">Class SqlWindow</h1>
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<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a>
<div class="inheritance"><a href="SqlNode.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlNode</a>
<div class="inheritance"><a href="SqlCall.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlCall</a>
<div class="inheritance">org.apache.calcite.sql.SqlWindow</div>
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<section class="description">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Cloneable</a></code></dd>
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<pre>public class <span class="typeNameLabel">SqlWindow</span>
extends <a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></pre>
<div class="block">SQL window specification.
<p>For example, the query</p>
<blockquote>
<pre>SELECT sum(a) OVER (w ROWS 3 PRECEDING)
FROM t
WINDOW w AS (PARTITION BY x, y ORDER BY z),
w1 AS (w ROWS 5 PRECEDING UNBOUNDED FOLLOWING)</pre>
</blockquote>
<p>declares windows w and w1, and uses a window in an OVER clause. It thus
contains 3 <a href="SqlWindow.html" title="class in org.apache.calcite.sql"><code>SqlWindow</code></a> objects.</p></div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>static <a href="SqlPostfixOperator.html" title="class in org.apache.calcite.sql">SqlPostfixOperator</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#FOLLOWING_OPERATOR">FOLLOWING_OPERATOR</a></span></code></th>
<td class="colLast">
<div class="block">The FOLLOWING operator used exclusively in a window specification.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="SqlPostfixOperator.html" title="class in org.apache.calcite.sql">SqlPostfixOperator</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PRECEDING_OPERATOR">PRECEDING_OPERATOR</a></span></code></th>
<td class="colLast">
<div class="block">The PRECEDING operator used exclusively in a window specification.</div>
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<div class="inheritedList">
<h3>Fields inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></h3>
<a id="fields.inherited.from.class.org.apache.calcite.sql.SqlNode">
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</a><code><a href="SqlNode.html#EMPTY_ARRAY">EMPTY_ARRAY</a>, <a href="SqlNode.html#pos">pos</a></code></div>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlLiteral)">SqlWindow</a></span>&#8203;(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos,
<a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;declName,
<a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;refName,
<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;partitionList,
<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;orderList,
<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;isRows,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;lowerBound,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;upperBound,
<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;allowPartial)</code></th>
<td class="colLast">
<div class="block">Creates a window.</div>
</td>
</tr>
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<tr class="altColor" id="i0">
<td class="colFirst"><code>static <a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#create(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.parser.SqlParserPos)">create</a></span>&#8203;(<a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;declName,
<a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;refName,
<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;partitionList,
<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;orderList,
<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;isRows,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;lowerBound,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;upperBound,
<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;allowPartial,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>static <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createBound(org.apache.calcite.sql.SqlLiteral)">createBound</a></span>&#8203;(<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;range)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>static <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createCurrentRow(org.apache.calcite.sql.parser.SqlParserPos)">createCurrentRow</a></span>&#8203;(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code><a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createCurrentRowWindow(java.lang.String)">createCurrentRowWindow</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;columnName)</code></th>
<td class="colLast">
<div class="block">Creates a window <code>(RANGE <i>columnName</i> CURRENT ROW)</code>.</div>
</td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>static <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createFollowing(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">createFollowing</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;e,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>static <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createPreceding(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">createPreceding</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;e,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>static <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createUnboundedFollowing(org.apache.calcite.sql.parser.SqlParserPos)">createUnboundedFollowing</a></span>&#8203;(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>static <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createUnboundedPreceding(org.apache.calcite.sql.parser.SqlParserPos)">createUnboundedPreceding</a></span>&#8203;(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code><a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createUnboundedPrecedingWindow(java.lang.String)">createUnboundedPrecedingWindow</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;columnName)</code></th>
<td class="colLast">
<div class="block">Creates a window <code>(RANGE <i>columnName</i> UNBOUNDED
PRECEDING)</code>.</div>
</td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
<a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
<td class="colLast">
<div class="block">Overridden method to specifically check only the right subtree of a window
definition.</div>
</td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code><a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDeclName()">getDeclName</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i11">
<td class="colFirst"><code><a href="SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKind()">getKind</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the type of node this is, or
<a href="SqlKind.html#OTHER"><code>SqlKind.OTHER</code></a> if it's nothing special.</div>
</td>
</tr>
<tr class="altColor" id="i12">
<td class="colFirst"><code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLowerBound()">getLowerBound</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i13">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOperandList()">getOperandList</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i14">
<td class="colFirst"><code><a href="SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOperator()">getOperator</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i15">
<td class="colFirst"><code><a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOrderList()">getOrderList</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><code><a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPartitionList()">getPartitionList</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i17">
<td class="colFirst"><code><a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRefName()">getRefName</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i18">
<td class="colFirst"><code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getUpperBound()">getUpperBound</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i19">
<td class="colFirst"><code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWindowCall()">getWindowCall</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i20">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAllowPartial()">isAllowPartial</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns whether partial windows are allowed.</div>
</td>
</tr>
<tr class="rowColor" id="i21">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAlwaysNonEmpty()">isAlwaysNonEmpty</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns if the window is guaranteed to have rows.</div>
</td>
</tr>
<tr class="altColor" id="i22">
<td class="colFirst"><code>static boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCurrentRow(org.apache.calcite.sql.SqlNode)">isCurrentRow</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
<td class="colLast">
<div class="block">Returns whether an expression represents the "CURRENT ROW" bound.</div>
</td>
</tr>
<tr class="rowColor" id="i23">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isRows()">isRows</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i24">
<td class="colFirst"><code>static boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isUnboundedFollowing(org.apache.calcite.sql.SqlNode)">isUnboundedFollowing</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
<td class="colLast">
<div class="block">Returns whether an expression represents the "UNBOUNDED FOLLOWING" bound.</div>
</td>
</tr>
<tr class="rowColor" id="i25">
<td class="colFirst"><code>static boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isUnboundedPreceding(org.apache.calcite.sql.SqlNode)">isUnboundedPreceding</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
<td class="colLast">
<div class="block">Returns whether an expression represents the "UNBOUNDED PRECEDING" bound.</div>
</td>
</tr>
<tr class="altColor" id="i26">
<td class="colFirst"><code><a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#overlay(org.apache.calcite.sql.SqlWindow,org.apache.calcite.sql.validate.SqlValidator)">overlay</a></span>&#8203;(<a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a>&nbsp;that,
<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator)</code></th>
<td class="colLast">
<div class="block">Creates a new window by combining this one with another.</div>
</td>
</tr>
<tr class="rowColor" id="i27">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#populateBounds()">populateBounds</a></span>()</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
</td>
</tr>
<tr class="altColor" id="i28">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setDeclName(org.apache.calcite.sql.SqlIdentifier)">setDeclName</a></span>&#8203;(<a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;declName)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i29">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setLowerBound(org.apache.calcite.sql.SqlNode)">setLowerBound</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;lowerBound)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i30">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setOperand(int,org.apache.calcite.sql.SqlNode)">setOperand</a></span>&#8203;(int&nbsp;i,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;operand)</code></th>
<td class="colLast">
<div class="block">Changes the value of an operand.</div>
</td>
</tr>
<tr class="rowColor" id="i31">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setOrderList(org.apache.calcite.sql.SqlNodeList)">setOrderList</a></span>&#8203;(<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;orderList)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i32">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setPartitionList(org.apache.calcite.sql.SqlNodeList)">setPartitionList</a></span>&#8203;(<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;partitionList)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i33">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setRows(org.apache.calcite.sql.SqlLiteral)">setRows</a></span>&#8203;(<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;isRows)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i34">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setUpperBound(org.apache.calcite.sql.SqlNode)">setUpperBound</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;upperBound)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i35">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setWindowCall(org.apache.calcite.sql.SqlCall)">setWindowCall</a></span>&#8203;(<a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;windowCall)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i36">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></span>&#8203;(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code></th>
<td class="colLast">
<div class="block">Writes a SQL representation of this node to a writer.</div>
</td>
</tr>
<tr class="rowColor" id="i37">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></span>&#8203;(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator,
<a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
<td class="colLast">
<div class="block">Validates this call.</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="inheritedList">
<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></h3>
<a id="methods.inherited.from.class.org.apache.calcite.sql.SqlCall">
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</a><code><a href="SqlCall.html#accept(org.apache.calcite.sql.util.SqlVisitor)">accept</a>, <a href="SqlCall.html#clone(org.apache.calcite.sql.parser.SqlParserPos)">clone</a>, <a href="SqlCall.html#findValidOptions(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.parser.SqlParserPos,java.util.Collection)">findValidOptions</a>, <a href="SqlCall.html#getCallSignature(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">getCallSignature</a>, <a href="SqlCall.html#getFunctionQuantifier()">getFunctionQuantifier</a>, <a href="SqlCall.html#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</a>, <a href="SqlCall.html#isCountStar()">isCountStar</a>, <a href="SqlCall.html#isExpanded()">isExpanded</a>, <a href="SqlCall.html#operand(int)">operand</a>, <a href="SqlCall.html#operandCount()">operandCount</a></code></div>
<div class="inheritedList">
<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></h3>
<a id="methods.inherited.from.class.org.apache.calcite.sql.SqlNode">
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</a><code><a href="SqlNode.html#clone()">clone</a>, <a href="SqlNode.html#clone(E)">clone</a>, <a href="SqlNode.html#cloneArray(org.apache.calcite.sql.SqlNode%5B%5D)">cloneArray</a>, <a href="SqlNode.html#equalDeep(java.util.List,java.util.List,org.apache.calcite.util.Litmus)">equalDeep</a>, <a href="SqlNode.html#equalDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalDeep</a>, <a href="SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,boolean)">equalsDeep</a>, <a href="SqlNode.html#getParserPosition()">getParserPosition</a>, <a href="SqlNode.html#isA(java.util.Set)">isA</a>, <a href="SqlNode.html#toList()">toList</a>, <a href="SqlNode.html#toList(org.apache.calcite.sql.parser.SqlParserPos)">toList</a>, <a href="SqlNode.html#toSqlString(java.util.function.UnaryOperator)">toSqlString</a>, <a href="SqlNode.html#toSqlString(org.apache.calcite.sql.SqlDialect)">toSqlString</a>, <a href="SqlNode.html#toSqlString(org.apache.calcite.sql.SqlDialect,boolean)">toSqlString</a>, <a href="SqlNode.html#toString()">toString</a>, <a href="SqlNode.html#unparseWithParentheses(org.apache.calcite.sql.SqlWriter,int,int,boolean)">unparseWithParentheses</a>, <a href="SqlNode.html#validateExpr(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validateExpr</a></code></div>
<div class="inheritedList">
<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<a id="methods.inherited.from.class.java.lang.Object">
<!-- -->
</a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="blockList">
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<section class="fieldDetails"><a id="field.detail">
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</a>
<h2>Field Details</h2>
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<h3><a id="FOLLOWING_OPERATOR">FOLLOWING_OPERATOR</a></h3>
<div class="memberSignature"><span class="modifiers">public static final</span>&nbsp;<span class="returnType"><a href="SqlPostfixOperator.html" title="class in org.apache.calcite.sql">SqlPostfixOperator</a></span>&nbsp;<span class="memberName">FOLLOWING_OPERATOR</span></div>
<div class="block">The FOLLOWING operator used exclusively in a window specification.</div>
</section>
</li>
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<section class="detail">
<h3><a id="PRECEDING_OPERATOR">PRECEDING_OPERATOR</a></h3>
<div class="memberSignature"><span class="modifiers">public static final</span>&nbsp;<span class="returnType"><a href="SqlPostfixOperator.html" title="class in org.apache.calcite.sql">SqlPostfixOperator</a></span>&nbsp;<span class="memberName">PRECEDING_OPERATOR</span></div>
<div class="block">The PRECEDING operator used exclusively in a window specification.</div>
</section>
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</ul>
</section>
</li>
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<h2>Constructor Details</h2>
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<h3><a id="&lt;init&gt;(org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlLiteral)">SqlWindow</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="memberName">SqlWindow</span>&#8203;(<span class="arguments"><a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos,
<a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;declName,
<a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;refName,
<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;partitionList,
<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;orderList,
<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;isRows,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;lowerBound,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;upperBound,
<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;allowPartial)</span></div>
<div class="block">Creates a window.</div>
</section>
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</ul>
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<h2>Method Details</h2>
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<h3><a id="create(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.parser.SqlParserPos)">create</a></h3>
<div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></span>&nbsp;<span class="memberName">create</span>&#8203;(<span class="arguments"><a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;declName,
<a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;refName,
<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;partitionList,
<a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;orderList,
<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;isRows,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;lowerBound,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;upperBound,
<a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;allowPartial,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
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<h3><a id="getOperator()">getOperator</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></span>&nbsp;<span class="memberName">getOperator</span>()</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlCall.html#getOperator()">getOperator</a></code>&nbsp;in class&nbsp;<code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></dd>
</dl>
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<section class="detail">
<h3><a id="getKind()">getKind</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a></span>&nbsp;<span class="memberName">getKind</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlNode.html#getKind()">SqlNode</a></code></span></div>
<div class="block">Returns the type of node this is, or
<a href="SqlKind.html#OTHER"><code>SqlKind.OTHER</code></a> if it's nothing special.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SqlCall.html#getKind()">getKind</a></code>&nbsp;in class&nbsp;<code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <a href="SqlKind.html" title="enum in org.apache.calcite.sql"><code>SqlKind</code></a> value, never null</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="SqlNode.html#isA(java.util.Set)"><code>SqlNode.isA(java.util.Set&lt;org.apache.calcite.sql.SqlKind&gt;)</code></a></dd>
</dl>
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<li class="blockList">
<section class="detail">
<h3><a id="getOperandList()">getOperandList</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;</span>&nbsp;<span class="memberName">getOperandList</span>()</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlCall.html#getOperandList()">getOperandList</a></code>&nbsp;in class&nbsp;<code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></dd>
</dl>
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<section class="detail">
<h3><a id="setOperand(int,org.apache.calcite.sql.SqlNode)">setOperand</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">setOperand</span>&#8203;(<span class="arguments">int&nbsp;i,
<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;operand)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlCall.html#setOperand(int,org.apache.calcite.sql.SqlNode)">SqlCall</a></code></span></div>
<div class="block">Changes the value of an operand. Allows some rewrite by
<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidator</code></a>; use sparingly.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SqlCall.html#setOperand(int,org.apache.calcite.sql.SqlNode)">setOperand</a></code>&nbsp;in class&nbsp;<code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>i</code> - Operand index</dd>
<dd><code>operand</code> - Operand value</dd>
</dl>
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<h3><a id="unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">unparse</span>&#8203;(<span class="arguments"><a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlNode.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)">SqlNode</a></code></span></div>
<div class="block">Writes a SQL representation of this node to a writer.
<p>The <code>leftPrec</code> and <code>rightPrec</code> parameters give
us enough context to decide whether we need to enclose the expression in
parentheses. For example, we need parentheses around "2 + 3" if preceded
by "5 *". This is because the precedence of the "*" operator is greater
than the precedence of the "+" operator.
<p>The algorithm handles left- and right-associative operators by giving
them slightly different left- and right-precedence.
<p>If <a href="SqlWriter.html#isAlwaysUseParentheses()"><code>SqlWriter.isAlwaysUseParentheses()</code></a> is true, we use
parentheses even when they are not required by the precedence rules.
<p>For the details of this algorithm, see <a href="SqlCall.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)"><code>SqlCall.unparse(org.apache.calcite.sql.SqlWriter, int, int)</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SqlCall.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></code>&nbsp;in class&nbsp;<code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>writer</code> - Target writer</dd>
<dd><code>leftPrec</code> - The precedence of the <a href="SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> immediately
preceding this node in a depth-first scan of the parse
tree</dd>
<dd><code>rightPrec</code> - The precedence of the <a href="SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> immediately</dd>
</dl>
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<h3><a id="getDeclName()">getDeclName</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a></span>&nbsp;<span class="memberName">getDeclName</span>()</div>
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<h3><a id="setDeclName(org.apache.calcite.sql.SqlIdentifier)">setDeclName</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">setDeclName</span>&#8203;(<span class="arguments"><a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;declName)</span></div>
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<h3><a id="getLowerBound()">getLowerBound</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="memberName">getLowerBound</span>()</div>
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<h3><a id="setLowerBound(org.apache.calcite.sql.SqlNode)">setLowerBound</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">setLowerBound</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;lowerBound)</span></div>
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<h3><a id="getUpperBound()">getUpperBound</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="memberName">getUpperBound</span>()</div>
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<h3><a id="setUpperBound(org.apache.calcite.sql.SqlNode)">setUpperBound</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">setUpperBound</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;upperBound)</span></div>
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<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">isAlwaysNonEmpty</span>()</div>
<div class="block">Returns if the window is guaranteed to have rows.
This is useful to refine data type of window aggregates.
For instance sum(non-nullable) over (empty window) is NULL.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true when the window is non-empty</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../rel/core/Window.Group.html#isAlwaysNonEmpty()"><code>Window.Group.isAlwaysNonEmpty()</code></a>,
<a href="SqlOperatorBinding.html#getGroupCount()"><code>SqlOperatorBinding.getGroupCount()</code></a>,
<a href="validate/SqlValidatorImpl.html#resolveWindow(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope)"><code>SqlValidatorImpl.resolveWindow(SqlNode, SqlValidatorScope)</code></a></dd>
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<h3><a id="setRows(org.apache.calcite.sql.SqlLiteral)">setRows</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">setRows</span>&#8203;(<span class="arguments"><a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;isRows)</span></div>
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<h3><a id="isRows()">isRows</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">isRows</span>()</div>
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<h3><a id="getOrderList()">getOrderList</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a></span>&nbsp;<span class="memberName">getOrderList</span>()</div>
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<h3><a id="setOrderList(org.apache.calcite.sql.SqlNodeList)">setOrderList</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">setOrderList</span>&#8203;(<span class="arguments"><a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;orderList)</span></div>
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<h3><a id="getPartitionList()">getPartitionList</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a></span>&nbsp;<span class="memberName">getPartitionList</span>()</div>
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<h3><a id="setPartitionList(org.apache.calcite.sql.SqlNodeList)">setPartitionList</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">setPartitionList</span>&#8203;(<span class="arguments"><a href="SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;partitionList)</span></div>
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<h3><a id="getRefName()">getRefName</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a></span>&nbsp;<span class="memberName">getRefName</span>()</div>
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<h3><a id="setWindowCall(org.apache.calcite.sql.SqlCall)">setWindowCall</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">setWindowCall</span>&#8203;(<span class="arguments"><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;windowCall)</span></div>
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<h3><a id="getWindowCall()">getWindowCall</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></span>&nbsp;<span class="memberName">getWindowCall</span>()</div>
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<h3><a id="createCurrentRow(org.apache.calcite.sql.parser.SqlParserPos)">createCurrentRow</a></h3>
<div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="memberName">createCurrentRow</span>&#8203;(<span class="arguments"><a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
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<div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="memberName">createUnboundedFollowing</span>&#8203;(<span class="arguments"><a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
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<h3><a id="createUnboundedPreceding(org.apache.calcite.sql.parser.SqlParserPos)">createUnboundedPreceding</a></h3>
<div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="memberName">createUnboundedPreceding</span>&#8203;(<span class="arguments"><a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
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<h3><a id="createFollowing(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">createFollowing</a></h3>
<div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="memberName">createFollowing</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;e,
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<h3><a id="createPreceding(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">createPreceding</a></h3>
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<h3><a id="createBound(org.apache.calcite.sql.SqlLiteral)">createBound</a></h3>
<div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="memberName">createBound</span>&#8203;(<span class="arguments"><a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;range)</span></div>
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<h3><a id="isCurrentRow(org.apache.calcite.sql.SqlNode)">isCurrentRow</a></h3>
<div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">isCurrentRow</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</span></div>
<div class="block">Returns whether an expression represents the "CURRENT ROW" bound.</div>
</section>
</li>
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<section class="detail">
<h3><a id="isUnboundedPreceding(org.apache.calcite.sql.SqlNode)">isUnboundedPreceding</a></h3>
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<div class="block">Returns whether an expression represents the "UNBOUNDED PRECEDING" bound.</div>
</section>
</li>
<li class="blockList">
<section class="detail">
<h3><a id="isUnboundedFollowing(org.apache.calcite.sql.SqlNode)">isUnboundedFollowing</a></h3>
<div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">isUnboundedFollowing</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</span></div>
<div class="block">Returns whether an expression represents the "UNBOUNDED FOLLOWING" bound.</div>
</section>
</li>
<li class="blockList">
<section class="detail">
<h3><a id="overlay(org.apache.calcite.sql.SqlWindow,org.apache.calcite.sql.validate.SqlValidator)">overlay</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></span>&nbsp;<span class="memberName">overlay</span>&#8203;(<span class="arguments"><a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a>&nbsp;that,
<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator)</span></div>
<div class="block">Creates a new window by combining this one with another.
<p>For example,
<blockquote><pre>WINDOW (w PARTITION BY x ORDER BY y)
overlay
WINDOW w AS (PARTITION BY z)</pre></blockquote>
<p>yields
<blockquote><pre>WINDOW (PARTITION BY z ORDER BY y)</pre></blockquote>
<p>Does not alter this or the other window.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A new window</dd>
</dl>
</section>
</li>
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<section class="detail">
<h3><a id="equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">equalsDeep</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
<a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</span></div>
<div class="block">Overridden method to specifically check only the right subtree of a window
definition.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SqlCall.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></code>&nbsp;in class&nbsp;<code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>node</code> - The SqlWindow to compare to "this" window</dd>
<dd><code>litmus</code> - What to do if an error is detected (nodes are not equal)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean true if all nodes in the subtree are equal</dd>
</dl>
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<h3><a id="isAllowPartial()">isAllowPartial</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">isAllowPartial</span>()</div>
<div class="block">Returns whether partial windows are allowed. If false, a partial window
(for example, a window of size 1 hour which has only 45 minutes of data
in it) will appear to windowed aggregate functions to be empty.</div>
</section>
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<h3><a id="validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">validate</span>&#8203;(<span class="arguments"><a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator,
<a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlCall.html#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">SqlCall</a></code></span></div>
<div class="block">Validates this call.
<p>The default implementation delegates the validation to the operator's
<a href="SqlOperator.html#validateCall(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.validate.SqlValidatorScope)"><code>SqlOperator.validateCall(org.apache.calcite.sql.SqlCall, org.apache.calcite.sql.validate.SqlValidator, org.apache.calcite.sql.validate.SqlValidatorScope, org.apache.calcite.sql.validate.SqlValidatorScope)</code></a>. Derived classes may override (as do,
for example <a href="SqlSelect.html" title="class in org.apache.calcite.sql"><code>SqlSelect</code></a> and <a href="SqlUpdate.html" title="class in org.apache.calcite.sql"><code>SqlUpdate</code></a>).</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SqlCall.html#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></code>&nbsp;in class&nbsp;<code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></dd>
<dd><code>scope</code> - Validator</dd>
</dl>
</section>
</li>
<li class="blockList">
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<h3><a id="createCurrentRowWindow(java.lang.String)">createCurrentRowWindow</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></span>&nbsp;<span class="memberName">createCurrentRowWindow</span>&#8203;(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;columnName)</span></div>
<div class="block">Creates a window <code>(RANGE <i>columnName</i> CURRENT ROW)</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>columnName</code> - Order column</dd>
</dl>
</section>
</li>
<li class="blockList">
<section class="detail">
<h3><a id="createUnboundedPrecedingWindow(java.lang.String)">createUnboundedPrecedingWindow</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></span>&nbsp;<span class="memberName">createUnboundedPrecedingWindow</span>&#8203;(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;columnName)</span></div>
<div class="block">Creates a window <code>(RANGE <i>columnName</i> UNBOUNDED
PRECEDING)</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>columnName</code> - Order column</dd>
</dl>
</section>
</li>
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<h3><a id="populateBounds()">populateBounds</a></h3>
<div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a>
</span><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">populateBounds</span>()</div>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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