javadocAggregate/org/apache/calcite/sql/validate/SqlValidatorScope.html - calcite-site - Git at Google

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 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql.validate</a></div>
 <h1 title="Interface SqlValidatorScope" class="title">Interface SqlValidatorScope</h1>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>All Known Subinterfaces:</dt>
 <dd><code><a href="AggregatingScope.html" title="interface in org.apache.calcite.sql.validate">AggregatingScope</a></code></dd>
 </dl>
 <dl class="notes">
 <dt>All Known Implementing Classes:</dt>
 <dd><code><a href="AggregatingSelectScope.html" title="class in org.apache.calcite.sql.validate">AggregatingSelectScope</a></code>, <code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code>, <code><a href="GroupByScope.html" title="class in org.apache.calcite.sql.validate">GroupByScope</a></code>, <code><a href="JoinScope.html" title="class in org.apache.calcite.sql.validate">JoinScope</a></code>, <code><a href="ListScope.html" title="class in org.apache.calcite.sql.validate">ListScope</a></code>, <code><a href="MatchRecognizeScope.html" title="class in org.apache.calcite.sql.validate">MatchRecognizeScope</a></code>, <code><a href="OrderByScope.html" title="class in org.apache.calcite.sql.validate">OrderByScope</a></code>, <code><a href="OverScope.html" title="class in org.apache.calcite.sql.validate">OverScope</a></code>, <code><a href="ParameterScope.html" title="class in org.apache.calcite.sql.validate">ParameterScope</a></code>, <code><a href="PivotScope.html" title="class in org.apache.calcite.sql.validate">PivotScope</a></code>, <code><a href="SelectScope.html" title="class in org.apache.calcite.sql.validate">SelectScope</a></code>, <code><a href="UnpivotScope.html" title="class in org.apache.calcite.sql.validate">UnpivotScope</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">SqlValidatorScope</span></div>
 <div class="block">Name-resolution scope. Represents any position in a parse tree than an
  expression can be, or anything in the parse tree which has columns.

  <p>When validating an expression, say "foo"."bar", you first use the
  <a href="#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)"><code>resolve(java.util.List&lt;java.lang.String&gt;, org.apache.calcite.sql.validate.SqlNameMatcher, boolean, org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)</code></a> method of the scope where the expression is defined to
  locate "foo". If successful, this returns a
  <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate"><code>namespace</code></a> describing the type of the resulting
  object.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== NESTED CLASS SUMMARY ======== -->
 <li>
 <section class="nested-class-summary" id="nested-class-summary">
 <h2>Nested Class Summary</h2>
 <div class="caption"><span>Nested Classes</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Interface</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="SqlValidatorScope.EmptyPath.html" class="type-name-link" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.EmptyPath</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">A path that has no steps.</div>
 </div>
 <div class="col-first odd-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="SqlValidatorScope.Path.html" class="type-name-link" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Path</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">A sequence of steps by which an identifier was resolved.</div>
 </div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="SqlValidatorScope.Resolve.html" class="type-name-link" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Resolve</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">A match found when looking up a name.</div>
 </div>
 <div class="col-first odd-row-color"><code>static interface&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="SqlValidatorScope.Resolved.html" class="type-name-link" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope.Resolved</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Callback from <a href="#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)"><code>resolve(java.util.List&lt;java.lang.String&gt;, org.apache.calcite.sql.validate.SqlNameMatcher, boolean, org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)</code></a>.</div>
 </div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="SqlValidatorScope.ResolvedImpl.html" class="type-name-link" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.ResolvedImpl</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Default implementation of
  <a href="SqlValidatorScope.Resolved.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorScope.Resolved</code></a>.</div>
 </div>
 <div class="col-first odd-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="SqlValidatorScope.Step.html" class="type-name-link" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Step</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">A step in resolving an identifier.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button><button id="method-summary-table-tab5" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab5', 3)" class="table-tab">Default Methods</button><button id="method-summary-table-tab6" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab6', 3)" class="table-tab">Deprecated Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)" class="member-name-link">addChild</a><wbr>(<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&nbsp;ns,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;alias,
  boolean&nbsp;nullable)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Registers a relation in this scope.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#findAliases(java.util.Collection)" class="member-name-link">findAliases</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;result)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Collects the <a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate"><code>SqlMoniker</code></a>s of all table aliases (uses of tables in
  query FROM clauses) available in this scope.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#findAllColumnNames(java.util.List)" class="member-name-link">findAllColumnNames</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;result)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Collects the <a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate"><code>SqlMoniker</code></a>s of all possible columns in this scope.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3 method-summary-table-tab6"><code><a href="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&gt;</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3 method-summary-table-tab6"><code><a href="#findQualifyingTableName(java.lang.String,org.apache.calcite.sql.SqlNode)" class="member-name-link">findQualifyingTableName</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;columnName,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3 method-summary-table-tab6">
 <div class="block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use
  <a href="#findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)"><code>findQualifyingTableNames(String, SqlNode, SqlNameMatcher)</code></a></div>
 </div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.calcite.sql.validate.ScopeChild&gt;</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)" class="member-name-link">findQualifyingTableNames</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;columnName,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx,
  <a href="SqlNameMatcher.html" title="interface in org.apache.calcite.sql.validate">SqlNameMatcher</a>&nbsp;nameMatcher)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Finds all table aliases which are implicitly qualifying an unqualified
  column name.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="SqlQualified.html" title="class in org.apache.calcite.sql.validate">SqlQualified</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#fullyQualify(org.apache.calcite.sql.SqlIdentifier)" class="member-name-link">fullyQualify</a><wbr>(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;identifier)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Converts an identifier into a fully-qualified identifier.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getMonotonicity(org.apache.calcite.sql.SqlNode)" class="member-name-link">getMonotonicity</a><wbr>(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Returns whether an expression is monotonic in this scope.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getNode()" class="member-name-link">getNode</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Returns the root node of this scope.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getOperandScope(org.apache.calcite.sql.SqlCall)" class="member-name-link">getOperandScope</a><wbr>(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Returns the scope within which operands to a call are to be validated.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>@Nullable <a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getOrderList()" class="member-name-link">getOrderList</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Returns the expressions by which the rows in this scope are sorted.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3 method-summary-table-tab6"><code>@Nullable <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3 method-summary-table-tab6"><code><a href="#getTableNamespace(java.util.List)" class="member-name-link">getTableNamespace</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;names)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3 method-summary-table-tab6">
 <div class="block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use
  <a href="#resolveTable(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)"><code>resolveTable(List, SqlNameMatcher, Path, Resolved)</code></a>.</div>
 </div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getValidator()" class="member-name-link">getValidator</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Returns the validator which created this scope.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#isMeasureRef(org.apache.calcite.sql.SqlNode)" class="member-name-link">isMeasureRef</a><wbr>(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5">
 <div class="block">Returns whether an expression is a reference to a measure column.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#isWithin(org.apache.calcite.sql.validate.SqlValidatorScope)" class="member-name-link">isWithin</a><wbr>(@Nullable <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope2)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5">
 <div class="block">Returns whether this scope is enclosed within <code>scope2</code> in such
  a way that it can see the contents of <code>scope2</code>.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>@Nullable <a href="../SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#lookupWindow(java.lang.String)" class="member-name-link">lookupWindow</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Finds a window with a given name.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#nullifyType(org.apache.calcite.sql.SqlNode,org.apache.calcite.rel.type.RelDataType)" class="member-name-link">nullifyType</a><wbr>(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
  <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Converts the type of an expression to nullable, if the context
  warrants it.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)" class="member-name-link">resolve</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;names,
  <a href="SqlNameMatcher.html" title="interface in org.apache.calcite.sql.validate">SqlNameMatcher</a>&nbsp;nameMatcher,
  boolean&nbsp;deep,
  <a href="SqlValidatorScope.Resolved.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope.Resolved</a>&nbsp;resolved)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Looks up a node with a given name.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>@Nullable <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#resolveColumn(java.lang.String,org.apache.calcite.sql.SqlNode)" class="member-name-link">resolveColumn</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Resolves a single identifier to a column, and returns the datatype of
  that column.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#resolveTable(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)" class="member-name-link">resolveTable</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;names,
  <a href="SqlNameMatcher.html" title="interface in org.apache.calcite.sql.validate">SqlNameMatcher</a>&nbsp;nameMatcher,
  <a href="SqlValidatorScope.Path.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Path</a>&nbsp;path,
  <a href="SqlValidatorScope.Resolved.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope.Resolved</a>&nbsp;resolved)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Looks up a table in this scope from its name.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#validateExpr(org.apache.calcite.sql.SqlNode)" class="member-name-link">validateExpr</a><wbr>(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Performs any scope-specific validation of an expression.</div>
 </div>
 </div>
 </div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="getValidator()">
 <h3>getValidator</h3>
 <div class="member-signature"><span class="return-type"><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></span>&nbsp;<span class="element-name">getValidator</span>()</div>
 <div class="block">Returns the validator which created this scope.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getNode()">
 <h3>getNode</h3>
 <div class="member-signature"><span class="return-type"><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="element-name">getNode</span>()</div>
 <div class="block">Returns the root node of this scope. Never null.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">
 <h3>resolve</h3>
 <div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">resolve</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;names,
  <a href="SqlNameMatcher.html" title="interface in org.apache.calcite.sql.validate">SqlNameMatcher</a>&nbsp;nameMatcher,
  boolean&nbsp;deep,
  <a href="SqlValidatorScope.Resolved.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope.Resolved</a>&nbsp;resolved)</span></div>
 <div class="block">Looks up a node with a given name. Returns null if none is found.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>names</code> - Name of node to find, maybe partially or fully qualified</dd>
 <dd><code>nameMatcher</code> - Name matcher</dd>
 <dd><code>deep</code> - Whether to look more than one level deep</dd>
 <dd><code>resolved</code> - Callback wherein to write the match(es) we find</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="findQualifyingTableName(java.lang.String,org.apache.calcite.sql.SqlNode)">
 <h3>findQualifyingTableName</h3>
 <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
 </span><span class="return-type"><a href="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&gt;</span>&nbsp;<span class="element-name">findQualifyingTableName</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;columnName,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx)</span></div>
 <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use
  <a href="#findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)"><code>findQualifyingTableNames(String, SqlNode, SqlNameMatcher)</code></a></div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)">
 <h3>findQualifyingTableNames</h3>
 <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>org.apache.calcite.sql.validate.ScopeChild&gt;</span>&nbsp;<span class="element-name">findQualifyingTableNames</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;columnName,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx,
  <a href="SqlNameMatcher.html" title="interface in org.apache.calcite.sql.validate">SqlNameMatcher</a>&nbsp;nameMatcher)</span></div>
 <div class="block">Finds all table aliases which are implicitly qualifying an unqualified
  column name.

  <p>This method is only implemented in scopes (such as
  <a href="SelectScope.html" title="class in org.apache.calcite.sql.validate"><code>SelectScope</code></a>) which can be the
  context for name-resolution. In scopes such as
  <a href="IdentifierNamespace.html" title="class in org.apache.calcite.sql.validate"><code>IdentifierNamespace</code></a>, it throws
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang" class="external-link"><code>UnsupportedOperationException</code></a>.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>columnName</code> - Column name</dd>
 <dd><code>ctx</code> - Validation context, to appear in any error thrown</dd>
 <dd><code>nameMatcher</code> - Name matcher</dd>
 <dt>Returns:</dt>
 <dd>Map of applicable table alias and namespaces, never null, empty
  if no aliases found</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="findAllColumnNames(java.util.List)">
 <h3>findAllColumnNames</h3>
 <div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">findAllColumnNames</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;result)</span></div>
 <div class="block">Collects the <a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate"><code>SqlMoniker</code></a>s of all possible columns in this scope.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>result</code> - an array list of strings to add the result to</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="findAliases(java.util.Collection)">
 <h3>findAliases</h3>
 <div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">findAliases</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;result)</span></div>
 <div class="block">Collects the <a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate"><code>SqlMoniker</code></a>s of all table aliases (uses of tables in
  query FROM clauses) available in this scope.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>result</code> - a list of monikers to add the result to</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="fullyQualify(org.apache.calcite.sql.SqlIdentifier)">
 <h3>fullyQualify</h3>
 <div class="member-signature"><span class="return-type"><a href="SqlQualified.html" title="class in org.apache.calcite.sql.validate">SqlQualified</a></span>&nbsp;<span class="element-name">fullyQualify</span><wbr><span class="parameters">(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;identifier)</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".</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>A qualified identifier, never null</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isMeasureRef(org.apache.calcite.sql.SqlNode)">
 <h3>isMeasureRef</h3>
 <div class="member-signature"><span class="modifiers">default</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isMeasureRef</span><wbr><span class="parameters">(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</span></div>
 <div class="block">Returns whether an expression is a reference to a measure column.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">
 <h3>addChild</h3>
 <div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">addChild</span><wbr><span class="parameters">(<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&nbsp;ns,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;alias,
  boolean&nbsp;nullable)</span></div>
 <div class="block">Registers a relation in this scope.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>ns</code> - Namespace representing the result-columns of the relation</dd>
 <dd><code>alias</code> - Alias with which to reference the relation, must not be null</dd>
 <dd><code>nullable</code> - Whether this is a null-generating side of a join</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="lookupWindow(java.lang.String)">
 <h3>lookupWindow</h3>
 <div class="member-signature"><span class="return-type">@Nullable <a href="../SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></span>&nbsp;<span class="element-name">lookupWindow</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name)</span></div>
 <div class="block">Finds a window with a given name. Returns null if not found.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getMonotonicity(org.apache.calcite.sql.SqlNode)">
 <h3>getMonotonicity</h3>
 <div class="member-signature"><span class="return-type"><a href="SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></span>&nbsp;<span class="element-name">getMonotonicity</span><wbr><span class="parameters">(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</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>
 </section>
 </li>
 <li>
 <section class="detail" id="getOrderList()">
 <h3>getOrderList</h3>
 <div class="member-signature"><span class="return-type">@Nullable <a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a></span>&nbsp;<span class="element-name">getOrderList</span>()</div>
 <div class="block">Returns the expressions by which the rows in this scope are sorted. If
  the rows are unsorted, returns null.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="resolveColumn(java.lang.String,org.apache.calcite.sql.SqlNode)">
 <h3>resolveColumn</h3>
 <div class="member-signature"><span class="return-type">@Nullable <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span>&nbsp;<span class="element-name">resolveColumn</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx)</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 class="notes">
 <dt>Parameters:</dt>
 <dd><code>name</code> - Name of column</dd>
 <dd><code>ctx</code> - Context for exception</dd>
 <dt>Returns:</dt>
 <dd>Type of column, if found and unambiguous; null if not found</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getOperandScope(org.apache.calcite.sql.SqlCall)">
 <h3>getOperandScope</h3>
 <div class="member-signature"><span class="return-type"><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></span>&nbsp;<span class="element-name">getOperandScope</span><wbr><span class="parameters">(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call)</span></div>
 <div class="block">Returns the scope within which operands to a call are to be validated.
  Usually it is this scope, but when the call is to an aggregate function
  and this is an aggregating scope, it will be a a different scope.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>call</code> - Call</dd>
 <dt>Returns:</dt>
 <dd>Scope within which to validate arguments to call.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="validateExpr(org.apache.calcite.sql.SqlNode)">
 <h3>validateExpr</h3>
 <div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">validateExpr</span><wbr><span class="parameters">(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</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>
 </section>
 </li>
 <li>
 <section class="detail" id="getTableNamespace(java.util.List)">
 <h3>getTableNamespace</h3>
 <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a>
 </span><span class="return-type">@Nullable <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></span>&nbsp;<span class="element-name">getTableNamespace</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;names)</span></div>
 <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
 <div class="deprecation-comment">Use
  <a href="#resolveTable(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)"><code>resolveTable(List, SqlNameMatcher, Path, Resolved)</code></a>.</div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="resolveTable(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">
 <h3>resolveTable</h3>
 <div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">resolveTable</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;&nbsp;names,
  <a href="SqlNameMatcher.html" title="interface in org.apache.calcite.sql.validate">SqlNameMatcher</a>&nbsp;nameMatcher,
  <a href="SqlValidatorScope.Path.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Path</a>&nbsp;path,
  <a href="SqlValidatorScope.Resolved.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope.Resolved</a>&nbsp;resolved)</span></div>
 <div class="block">Looks up a table in this scope from its name. If found, calls
  <a href="#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)"><code>resolve(List, SqlNameMatcher, boolean, Resolved)</code></a>.
  <code>TableNamespace</code> that wraps it. If the "table" is defined in a
  <code>WITH</code> clause it may be a query, not a table after all.

  <p>The name matcher is not null, and one typically uses
  <a href="SqlValidatorCatalogReader.html#nameMatcher()"><code>SqlValidatorCatalogReader.nameMatcher()</code></a>.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>names</code> - Name of table, may be qualified or fully-qualified</dd>
 <dd><code>nameMatcher</code> - Name matcher</dd>
 <dd><code>path</code> - List of names that we have traversed through so far</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="nullifyType(org.apache.calcite.sql.SqlNode,org.apache.calcite.rel.type.RelDataType)">
 <h3>nullifyType</h3>
 <div class="member-signature"><span class="return-type"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span>&nbsp;<span class="element-name">nullifyType</span><wbr><span class="parameters">(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
  <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</span></div>
 <div class="block">Converts the type of an expression to nullable, if the context
  warrants it.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="isWithin(org.apache.calcite.sql.validate.SqlValidatorScope)">
 <h3>isWithin</h3>
 <div class="member-signature"><span class="modifiers">default</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isWithin</span><wbr><span class="parameters">(@Nullable <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope2)</span></div>
 <div class="block">Returns whether this scope is enclosed within <code>scope2</code> in such
  a way that it can see the contents of <code>scope2</code>.</div>
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