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<div class="subTitle">org.apache.calcite.sql.validate</div>
<h2 title="Class OrderByScope" class="title">Class OrderByScope</h2>
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<ul class="inheritance">
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<ul class="inheritance">
<li><a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html" title="class in org.apache.calcite.sql.validate">org.apache.calcite.sql.validate.DelegatingScope</a></li>
<li>
<ul class="inheritance">
<li>org.apache.calcite.sql.validate.OrderByScope</li>
</ul>
</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="typeNameLabel">OrderByScope</span>
extends <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></pre>
<div class="block">Represents the name-resolution context for expressions in an ORDER BY clause.
<p>In some dialects of SQL, the ORDER BY clause can reference column aliases
in the SELECT clause. For example, the query</p>
<blockquote><code>SELECT empno AS x<br>
FROM emp<br>
ORDER BY x</code></blockquote>
<p>is valid.</p></div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.calcite.sql.validate.<a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></h3>
<code><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.EmptyPath.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.EmptyPath</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.Path.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Path</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.Resolve.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Resolve</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.Resolved.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope.Resolved</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.ResolvedImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.ResolvedImpl</a>, <a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.Step.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Step</a></code></li>
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<h3>Fields inherited from class&nbsp;org.apache.calcite.sql.validate.<a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></h3>
<code><a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#parent">parent</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#validator">validator</a></code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/OrderByScope.html#findAllColumnNames-java.util.List-">findAllColumnNames</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/calcite/sql/validate/SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;result)</code>
<div class="block">Collects the <a href="../../../../../org/apache/calcite/sql/validate/SqlMoniker.html" title="interface in org.apache.calcite.sql.validate"><code>SqlMoniker</code></a>s of all possible columns in this scope.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/validate/SqlQualified.html" title="class in org.apache.calcite.sql.validate">SqlQualified</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/OrderByScope.html#fullyQualify-org.apache.calcite.sql.SqlIdentifier-">fullyQualify</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;identifier)</code>
<div class="block">Converts an identifier into a fully-qualified identifier.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/OrderByScope.html#getNode--">getNode</a></span>()</code>
<div class="block">Returns the root node of this scope.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/OrderByScope.html#resolveColumn-java.lang.String-org.apache.calcite.sql.SqlNode-">resolveColumn</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
<a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx)</code>
<div class="block">Resolves a single identifier to a column, and returns the datatype of
that column.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/validate/OrderByScope.html#validateExpr-org.apache.calcite.sql.SqlNode-">validateExpr</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</code>
<div class="block">Performs any scope-specific validation of an expression.</div>
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<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.validate.<a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></h3>
<code><a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#addChild-org.apache.calcite.sql.validate.SqlValidatorNamespace-java.lang.String-boolean-">addChild</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#addColumnNames-org.apache.calcite.sql.validate.SqlValidatorNamespace-java.util.List-">addColumnNames</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#findAliases-java.util.Collection-">findAliases</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#findQualifyingTableName-java.lang.String-org.apache.calcite.sql.SqlNode-">findQualifyingTableName</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#findQualifyingTableNames-java.lang.String-org.apache.calcite.sql.SqlNode-org.apache.calcite.sql.validate.SqlNameMatcher-">findQualifyingTableNames</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#getMonotonicity-org.apache.calcite.sql.SqlNode-">getMonotonicity</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#getOperandScope-org.apache.calcite.sql.SqlCall-">getOperandScope</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#getOrderList--">getOrderList</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#getParent--">getParent</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#getTableNamespace-java.util.List-">getTableNamespace</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#getValidator--">getValidator</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#lookupWindow-java.lang.String-">lookupWindow</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#nullifyType-org.apache.calcite.sql.SqlNode-org.apache.calcite.rel.type.RelDataType-">nullifyType</a>, <a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#resolve-java.util.List-org.apache.calcite.sql.validate.SqlNameMatcher-boolean-org.apache.calcite.sql.validate.SqlValidatorScope.Resolved-">resolve</a>, <a href="../../../../../org/apache/calcite/sql/validate/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></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.calcite.sql.validate.<a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></h3>
<code><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html#isWithin-org.apache.calcite.sql.validate.SqlValidatorScope-">isWithin</a></code></li>
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<a name="getNode--">
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<h4>getNode</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/sql/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="../../../../../org/apache/calcite/sql/validate/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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<a name="findAllColumnNames-java.util.List-">
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<h4>findAllColumnNames</h4>
<pre>public&nbsp;void&nbsp;findAllColumnNames(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/calcite/sql/validate/SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;result)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html#findAllColumnNames-java.util.List-">SqlValidatorScope</a></code></span></div>
<div class="block">Collects the <a href="../../../../../org/apache/calcite/sql/validate/SqlMoniker.html" title="interface in org.apache.calcite.sql.validate"><code>SqlMoniker</code></a>s of all possible columns in this scope.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html#findAllColumnNames-java.util.List-">findAllColumnNames</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/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="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#findAllColumnNames-java.util.List-">findAllColumnNames</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>result</code> - an array list of strings to add the result to</dd>
</dl>
</li>
</ul>
<a name="fullyQualify-org.apache.calcite.sql.SqlIdentifier-">
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<h4>fullyQualify</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/sql/validate/SqlQualified.html" title="class in org.apache.calcite.sql.validate">SqlQualified</a>&nbsp;fullyQualify(<a href="../../../../../org/apache/calcite/sql/SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;identifier)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#fullyQualify-org.apache.calcite.sql.SqlIdentifier-">DelegatingScope</a></code></span></div>
<div class="block">Converts an identifier into a fully-qualified identifier. For example,
the "empno" in "select empno from emp natural join dept" becomes
"emp.empno".
<p>If the identifier cannot be resolved, throws. Never returns null.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html#fullyQualify-org.apache.calcite.sql.SqlIdentifier-">fullyQualify</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/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="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#fullyQualify-org.apache.calcite.sql.SqlIdentifier-">fullyQualify</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A qualified identifier, never null</dd>
</dl>
</li>
</ul>
<a name="resolveColumn-java.lang.String-org.apache.calcite.sql.SqlNode-">
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<h4>resolveColumn</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;resolveColumn(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
<a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html#resolveColumn-java.lang.String-org.apache.calcite.sql.SqlNode-">SqlValidatorScope</a></code></span></div>
<div class="block">Resolves a single identifier to a column, and returns the datatype of
that column.
<p>If it cannot find the column, returns null. If the column is
ambiguous, throws an error with context <code>ctx</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html#resolveColumn-java.lang.String-org.apache.calcite.sql.SqlNode-">resolveColumn</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/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="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#resolveColumn-java.lang.String-org.apache.calcite.sql.SqlNode-">resolveColumn</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Name of column</dd>
<dd><code>ctx</code> - Context for exception</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Type of column, if found and unambiguous; null if not found</dd>
</dl>
</li>
</ul>
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<h4>validateExpr</h4>
<pre>public&nbsp;void&nbsp;validateExpr(<a href="../../../../../org/apache/calcite/sql/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="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html#validateExpr-org.apache.calcite.sql.SqlNode-">SqlValidatorScope</a></code></span></div>
<div class="block">Performs any scope-specific validation of an expression. For example, an
aggregating scope requires that expressions are valid aggregations. The
expression has already been validated.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/sql/validate/SqlValidatorScope.html#validateExpr-org.apache.calcite.sql.SqlNode-">validateExpr</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/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="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html#validateExpr-org.apache.calcite.sql.SqlNode-">validateExpr</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/validate/DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
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