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

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 <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="Class ListScope" class="title">Class ListScope</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">org.apache.calcite.sql.validate.DelegatingScope</a>
 <div class="inheritance">org.apache.calcite.sql.validate.ListScope</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>All Implemented Interfaces:</dt>
 <dd><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
 </dl>
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="JoinScope.html" title="class in org.apache.calcite.sql.validate">JoinScope</a></code>, <code><a href="MatchRecognizeScope.html" title="class in org.apache.calcite.sql.validate">MatchRecognizeScope</a></code>, <code><a href="OverScope.html" title="class in org.apache.calcite.sql.validate">OverScope</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 abstract class </span><span class="element-name type-name-label">ListScope</span>
 <span class="extends-implements">extends <a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></span></div>
 <div class="block">Abstract base for a scope which is defined by a list of child namespaces and
  which inherits from a parent scope.</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="inherited-list">
 <h2 id="nested-classes-inherited-from-class-org.apache.calcite.sql.validate.SqlValidatorScope">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></h2>
 <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></div>
 </section>
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 <!-- =========== FIELD SUMMARY =========== -->
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 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="caption"><span>Fields</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">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>final <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;org.apache.calcite.sql.validate.ScopeChild&gt;</code></div>
 <div class="col-second even-row-color"><code><a href="#children" class="member-name-link">children</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">List of child <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorNamespace</code></a> objects and their names.</div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-org.apache.calcite.sql.validate.DelegatingScope">Fields 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#parent">parent</a>, <a href="DelegatingScope.html#resolved">resolved</a>, <a href="DelegatingScope.html#validator">validator</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier</div>
 <div class="table-header col-second">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>protected </code></div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.calcite.sql.validate.SqlValidatorScope)" class="member-name-link">ListScope</a><wbr>(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;parent)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
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 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
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 <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-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete 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-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4">
 <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-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4">
 <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-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4">
 <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-tab4"><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-tab4"><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-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4"><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-tab4">
 <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-tab4"><code><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="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-tab4"><code><a href="#getChildren()" class="member-name-link">getChildren</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns an immutable list of child namespaces.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isChildNullable(int)" class="member-name-link">isChildNullable</a><wbr>(int&nbsp;i)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Whether the ith child namespace produces nullable result.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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 odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Looks up a node with a given name.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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;columnName,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Resolves a single identifier to a column, and returns the datatype of
  that column.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-org.apache.calcite.sql.validate.DelegatingScope">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#analyze(org.apache.calcite.sql.validate.SqlValidatorUtil.GroupAnalyzer)">analyze</a>, <a href="DelegatingScope.html#fullyQualify(org.apache.calcite.sql.SqlIdentifier)">fullyQualify</a>, <a href="DelegatingScope.html#getMonotonicity(org.apache.calcite.sql.SqlNode)">getMonotonicity</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#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></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-org.apache.calcite.sql.validate.SqlValidatorScope">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#getNode()">getNode</a>, <a href="SqlValidatorScope.html#isMeasureRef(org.apache.calcite.sql.SqlNode)">isMeasureRef</a>, <a href="SqlValidatorScope.html#isWithin(org.apache.calcite.sql.validate.SqlValidatorScope)">isWithin</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ FIELD DETAIL =========== -->
 <li>
 <section class="field-details" id="field-detail">
 <h2>Field Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="children">
 <h3>children</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type"><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;org.apache.calcite.sql.validate.ScopeChild&gt;</span>&nbsp;<span class="element-name">children</span></div>
 <div class="block">List of child <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorNamespace</code></a> objects and their names.</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(org.apache.calcite.sql.validate.SqlValidatorScope)">
 <h3>ListScope</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="element-name">ListScope</span><wbr><span class="parameters">(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;parent)</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <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="modifiers">public</span>&nbsp;<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"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorScope.html#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">SqlValidatorScope</a></code></span></div>
 <div class="block">Registers a relation in this scope.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorScope.html#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">addChild</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DelegatingScope.html#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">addChild</a></code>&nbsp;in class&nbsp;<code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
 <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="getChildren()">
 <h3>getChildren</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><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="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&gt;</span>&nbsp;<span class="element-name">getChildren</span>()</div>
 <div class="block">Returns an immutable list of child namespaces.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>list of child namespaces</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isChildNullable(int)">
 <h3>isChildNullable</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isChildNullable</span><wbr><span class="parameters">(int&nbsp;i)</span></div>
 <div class="block">Whether the ith child namespace produces nullable result.

  For example, in below query,
  <pre>
    SELECT *
    FROM EMPS
    LEFT OUTER JOIN DEPT
  </pre>
  the namespace which corresponding to 'DEPT' is nullable.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>i</code> - The child index.</dd>
 <dt>Returns:</dt>
 <dd>Whether it's nullable.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="findAllColumnNames(java.util.List)">
 <h3>findAllColumnNames</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorScope.html#findAllColumnNames(java.util.List)">SqlValidatorScope</a></code></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>Specified by:</dt>
 <dd><code><a href="SqlValidatorScope.html#findAllColumnNames(java.util.List)">findAllColumnNames</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DelegatingScope.html#findAllColumnNames(java.util.List)">findAllColumnNames</a></code>&nbsp;in class&nbsp;<code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
 <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="modifiers">public</span>&nbsp;<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"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorScope.html#findAliases(java.util.Collection)">SqlValidatorScope</a></code></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>Specified by:</dt>
 <dd><code><a href="SqlValidatorScope.html#findAliases(java.util.Collection)">findAliases</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DelegatingScope.html#findAliases(java.util.Collection)">findAliases</a></code>&nbsp;in class&nbsp;<code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
 <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="findQualifyingTableName(java.lang.String,org.apache.calcite.sql.SqlNode)">
 <h3>findQualifyingTableName</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorScope.html#findQualifyingTableName(java.lang.String,org.apache.calcite.sql.SqlNode)">findQualifyingTableName</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DelegatingScope.html#findQualifyingTableName(java.lang.String,org.apache.calcite.sql.SqlNode)">findQualifyingTableName</a></code>&nbsp;in class&nbsp;<code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
 </dl>
 </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="modifiers">public</span>&nbsp;<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"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorScope.html#findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)">SqlValidatorScope</a></code></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>Specified by:</dt>
 <dd><code><a href="SqlValidatorScope.html#findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)">findQualifyingTableNames</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DelegatingScope.html#findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)">findQualifyingTableNames</a></code>&nbsp;in class&nbsp;<code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
 <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="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="modifiers">public</span>&nbsp;<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"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorScope.html#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">SqlValidatorScope</a></code></span></div>
 <div class="block">Looks up a node with a given name. Returns null if none is found.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorScope.html#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">resolve</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DelegatingScope.html#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">resolve</a></code>&nbsp;in class&nbsp;<code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
 <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="resolveColumn(java.lang.String,org.apache.calcite.sql.SqlNode)">
 <h3>resolveColumn</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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;columnName,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;ctx)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="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 class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorScope.html#resolveColumn(java.lang.String,org.apache.calcite.sql.SqlNode)">resolveColumn</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="DelegatingScope.html#resolveColumn(java.lang.String,org.apache.calcite.sql.SqlNode)">resolveColumn</a></code>&nbsp;in class&nbsp;<code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>columnName</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>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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