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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql.validate</a></div>
<h2 title="Class OverScope" class="title">Class OverScope</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<ul class="inheritance">
<li><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">org.apache.calcite.sql.validate.DelegatingScope</a></li>
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<li><a href="ListScope.html" title="class in org.apache.calcite.sql.validate">org.apache.calcite.sql.validate.ListScope</a></li>
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<li>org.apache.calcite.sql.validate.OverScope</li>
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<dd><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
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<pre>public class <span class="typeNameLabel">OverScope</span>
extends <a href="ListScope.html" title="class in org.apache.calcite.sql.validate">ListScope</a></pre>
<div class="block">The name-resolution scope of a OVER clause. The objects visible are those in
the parameters found on the left side of the over clause, and objects
inherited from the parent scope.
<p>This object is both a <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorScope</code></a> only. In the query</p>
<blockquote>
<pre>SELECT name FROM (
SELECT *
FROM emp OVER (
ORDER BY empno
RANGE BETWEEN 2 PRECEDING AND 2 FOLLOWING))
</pre>
</blockquote>
<p>We need to use the <a href="OverScope.html" title="class in org.apache.calcite.sql.validate"><code>OverScope</code></a> as a <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorNamespace</code></a>
when resolving names used in the window specification.</p></div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.calcite.sql.validate.<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></h3>
<code><a href="SqlValidatorScope.EmptyPath.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.EmptyPath</a>, <a href="SqlValidatorScope.Path.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Path</a>, <a href="SqlValidatorScope.Resolve.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Resolve</a>, <a href="SqlValidatorScope.Resolved.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope.Resolved</a>, <a href="SqlValidatorScope.ResolvedImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.ResolvedImpl</a>, <a href="SqlValidatorScope.Step.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Step</a></code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
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<td class="colFirst"><code>private <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="#overCall">overCall</a></span></code></th>
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<code><a href="ListScope.html#children">children</a></code></li>
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<code><a href="DelegatingScope.html#parent">parent</a>, <a href="DelegatingScope.html#validator">validator</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">OverScope</a></span>&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;parent,
<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;overCall)</code></th>
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<div class="block">Creates a scope corresponding to a SELECT clause.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
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<td class="colFirst"><code><a href="SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMonotonicity(org.apache.calcite.sql.SqlNode)">getMonotonicity</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</code></th>
<td class="colLast">
<div class="block">Returns whether an expression is monotonic in this scope.</div>
</td>
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<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="#getNode()">getNode</a></span>()</code></th>
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<div class="block">Returns the root node of this scope.</div>
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<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.validate.<a href="ListScope.html" title="class in org.apache.calcite.sql.validate">ListScope</a></h3>
<code><a href="ListScope.html#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">addChild</a>, <a href="ListScope.html#findAliases(java.util.Collection)">findAliases</a>, <a href="ListScope.html#findAllColumnNames(java.util.List)">findAllColumnNames</a>, <a href="ListScope.html#findQualifyingTableName(java.lang.String,org.apache.calcite.sql.SqlNode)">findQualifyingTableName</a>, <a href="ListScope.html#findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)">findQualifyingTableNames</a>, <a href="ListScope.html#getChildNames()">getChildNames</a>, <a href="ListScope.html#getChildren()">getChildren</a>, <a href="ListScope.html#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">resolve</a>, <a href="ListScope.html#resolveColumn(java.lang.String,org.apache.calcite.sql.SqlNode)">resolveColumn</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.validate.<a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></h3>
<code><a href="DelegatingScope.html#addColumnNames(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.util.List)">addColumnNames</a>, <a href="DelegatingScope.html#fullyQualify(org.apache.calcite.sql.SqlIdentifier)">fullyQualify</a>, <a href="DelegatingScope.html#getOperandScope(org.apache.calcite.sql.SqlCall)">getOperandScope</a>, <a href="DelegatingScope.html#getOrderList()">getOrderList</a>, <a href="DelegatingScope.html#getParent()">getParent</a>, <a href="DelegatingScope.html#getTableNamespace(java.util.List)">getTableNamespace</a>, <a href="DelegatingScope.html#getValidator()">getValidator</a>, <a href="DelegatingScope.html#lookupWindow(java.lang.String)">lookupWindow</a>, <a href="DelegatingScope.html#nullifyType(org.apache.calcite.sql.SqlNode,org.apache.calcite.rel.type.RelDataType)">nullifyType</a>, <a href="DelegatingScope.html#resolveInNamespace(org.apache.calcite.sql.validate.SqlValidatorNamespace,boolean,java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">resolveInNamespace</a>, <a href="DelegatingScope.html#resolveTable(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">resolveTable</a>, <a href="DelegatingScope.html#validateExpr(org.apache.calcite.sql.SqlNode)">validateExpr</a></code></li>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.calcite.sql.validate.<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></h3>
<code><a href="SqlValidatorScope.html#isWithin(org.apache.calcite.sql.validate.SqlValidatorScope)">isWithin</a></code></li>
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<h4>overCall</h4>
<pre>private final&nbsp;<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a> overCall</pre>
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<h4>OverScope</h4>
<pre>OverScope&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;parent,
<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;overCall)</pre>
<div class="block">Creates a scope corresponding to a SELECT clause.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>parent</code> - Parent scope, or null</dd>
<dd><code>overCall</code> - Call to OVER operator</dd>
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<h4>getNode</h4>
<pre class="methodSignature">public&nbsp;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;getNode()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidatorScope.html#getNode()">SqlValidatorScope</a></code></span></div>
<div class="block">Returns the root node of this scope. Never null.</div>
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<h4>getMonotonicity</h4>
<pre class="methodSignature">public&nbsp;<a href="SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a>&nbsp;getMonotonicity&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidatorScope.html#getMonotonicity(org.apache.calcite.sql.SqlNode)">SqlValidatorScope</a></code></span></div>
<div class="block">Returns whether an expression is monotonic in this scope. For example, if
the scope has previously been sorted by columns X, Y, then X is monotonic
in this scope, but Y is not.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlValidatorScope.html#getMonotonicity(org.apache.calcite.sql.SqlNode)">getMonotonicity</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="DelegatingScope.html#getMonotonicity(org.apache.calcite.sql.SqlNode)">getMonotonicity</a></code>&nbsp;in class&nbsp;<code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
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