javadocAggregate/org/apache/calcite/sql/validate/PivotNamespace.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="Class PivotNamespace" class="title">Class PivotNamespace</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">org.apache.calcite.sql.validate.PivotNamespace</div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>All Implemented Interfaces:</dt>
 <dd><code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">PivotNamespace</span>
 <span class="extends-implements">extends <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></span></div>
 <div class="block">Namespace for a <code>PIVOT</code> clause.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <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>protected final @Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></div>
 <div class="col-second even-row-color"><code><a href="#enclosingNode" class="member-name-link">enclosingNode</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>protected @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"><code><a href="#rowType" class="member-name-link">rowType</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Type of the output row, which comprises the name and type of each output
  column.</div>
 </div>
 <div class="col-first even-row-color"><code>protected @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"><code><a href="#type" class="member-name-link">type</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">As <a href="#rowType"><code>rowType</code></a>, but not necessarily a struct.</div>
 </div>
 <div class="col-first odd-row-color"><code>protected final <a href="SqlValidatorImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl</a></code></div>
 <div class="col-second odd-row-color"><code><a href="#validator" class="member-name-link">validator</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </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.SqlValidatorImpl,org.apache.calcite.sql.SqlPivot,org.apache.calcite.sql.SqlNode)" class="member-name-link">PivotNamespace</a><wbr>(<a href="SqlValidatorImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl</a>&nbsp;validator,
  <a href="../SqlPivot.html" title="class in org.apache.calcite.sql">SqlPivot</a>&nbsp;pivot,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;enclosingNode)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Creates a PivotNamespace.</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-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>protected <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="#convertToStruct(org.apache.calcite.rel.type.RelDataType)" class="member-name-link">convertToStruct</a><wbr>(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#field(java.lang.String)" class="member-name-link">field</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 odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns a field of a given name, or null.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getEnclosingNode()" class="member-name-link">getEnclosingNode</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the parse tree node that at is at the root of this namespace and
  includes all decorations.</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="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>,<wbr><a href="SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a>&gt;&gt;</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getMonotonicExprs()" class="member-name-link">getMonotonicExprs</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 a list of expressions which are monotonic in this namespace.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4"><code><a href="#getMonotonicity(java.lang.String)" class="member-name-link">getMonotonicity</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)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns whether and how a given column is sorted.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../SqlPivot.html" title="class in org.apache.calcite.sql">SqlPivot</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4">
 <div class="block">Returns the parse tree node at the root of this namespace.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><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="#getRowType()" class="member-name-link">getRowType</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the row type of this namespace, which comprises a list of names
  and types of the output columns.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4"><code><a href="#getRowTypeSansSystemColumns()" class="member-name-link">getRowTypeSansSystemColumns</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 the row type of this namespace, sans any system columns.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="SqlValidatorTable.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorTable</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTable()" class="member-name-link">getTable</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the underlying table, or null if there is none.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4"><code><a href="#getType()" class="member-name-link">getType</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 the type of this namespace.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getValidator()" class="member-name-link">getValidator</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns the validator.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isWrapperFor(java.lang.Class)" class="member-name-link">isWrapperFor</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;?&gt;&nbsp;clazz)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns whether this namespace implements a given interface, or wraps a
  class which does.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4"><code><a href="#lookupChild(java.lang.String)" class="member-name-link">lookupChild</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-tab4">
 <div class="block">Looks up a child namespace of a given name.</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="#makeNullable()" class="member-name-link">makeNullable</a>()</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="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-tab4"><code><a href="#resolve()" class="member-name-link">resolve</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">If this namespace resolves to another namespace, returns that namespace,
  following links to the end of the chain.</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="#setType(org.apache.calcite.rel.type.RelDataType)" class="member-name-link">setType</a><wbr>(<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-tab4">
 <div class="block">Sets the type of this namespace.</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="#supportsModality(org.apache.calcite.sql.validate.SqlModality)" class="member-name-link">supportsModality</a><wbr>(<a href="SqlModality.html" title="enum in org.apache.calcite.sql.validate">SqlModality</a>&nbsp;modality)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns whether this namespace is capable of giving results of the desired
  modality.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <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-tab4"><code><a href="#toStruct(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.SqlNode)" class="member-name-link">toStruct</a><wbr>(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type,
  @Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;unnest)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Converts a type to a struct if it is not already.</div>
 </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/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#translate(java.lang.String)" class="member-name-link">translate</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-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>&lt;T&gt;&nbsp;T</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#unwrap(java.lang.Class)" class="member-name-link">unwrap</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;clazz)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Returns this namespace, or a wrapped namespace, cast to a particular
  class.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>final void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#validate(org.apache.calcite.rel.type.RelDataType)" class="member-name-link">validate</a><wbr>(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Validates this namespace.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4"><code><a href="#validateImpl(org.apache.calcite.rel.type.RelDataType)" class="member-name-link">validateImpl</a><wbr>(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Validates this scope and returns the type of the records it returns.</div>
 </div>
 </div>
 </div>
 </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.SqlValidatorNamespace">Methods inherited from interface&nbsp;org.apache.calcite.sql.validate.<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></h3>
 <code><a href="SqlValidatorNamespace.html#fieldExists(java.lang.String)">fieldExists</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="validator">
 <h3>validator</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type"><a href="SqlValidatorImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl</a></span>&nbsp;<span class="element-name">validator</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="rowType">
 <h3>rowType</h3>
 <div class="member-signature"><span class="modifiers">protected</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">rowType</span></div>
 <div class="block">Type of the output row, which comprises the name and type of each output
  column. Set on validate.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="type">
 <h3>type</h3>
 <div class="member-signature"><span class="modifiers">protected</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">type</span></div>
 <div class="block">As <a href="#rowType"><code>rowType</code></a>, but not necessarily a struct.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="enclosingNode">
 <h3>enclosingNode</h3>
 <div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type">@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="element-name">enclosingNode</span></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.SqlValidatorImpl,org.apache.calcite.sql.SqlPivot,org.apache.calcite.sql.SqlNode)">
 <h3>PivotNamespace</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="element-name">PivotNamespace</span><wbr><span class="parameters">(<a href="SqlValidatorImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl</a>&nbsp;validator,
  <a href="../SqlPivot.html" title="class in org.apache.calcite.sql">SqlPivot</a>&nbsp;pivot,
  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;enclosingNode)</span></div>
 <div class="block">Creates a PivotNamespace.</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="validateImpl(org.apache.calcite.rel.type.RelDataType)">
 <h3>validateImpl</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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">validateImpl</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</span></div>
 <div class="block">Validates this scope and returns the type of the records it returns.
  External users should call <a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)"><code>SqlValidatorNamespace.validate(org.apache.calcite.rel.type.RelDataType)</code></a>, which uses the
  <a href="#status"><code>status</code></a> field to protect against cycles.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>targetRowType</code> - Desired row type, must not be null, may be the data
                       type 'unknown'.</dd>
 <dt>Returns:</dt>
 <dd>record data type, never null</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getNode()">
 <h3>getNode</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../SqlPivot.html" title="class in org.apache.calcite.sql">SqlPivot</a></span>&nbsp;<span class="element-name">getNode</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getNode()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns the parse tree node at the root of this namespace.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>parse tree node; null for <code>TableNamespace</code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getValidator()">
 <h3>getValidator</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getValidator()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns the validator.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#getValidator()">getValidator</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Returns:</dt>
 <dd>validator</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="validate(org.apache.calcite.rel.type.RelDataType)">
 <h3>validate</h3>
 <div class="member-signature"><span class="modifiers">public final</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">validate</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Validates this namespace.

  <p>If the scope has already been validated, does nothing.</p>

  <p>Please call <a href="SqlValidatorImpl.html#validateNamespace(org.apache.calcite.sql.validate.SqlValidatorNamespace,org.apache.calcite.rel.type.RelDataType)"><code>SqlValidatorImpl.validateNamespace(org.apache.calcite.sql.validate.SqlValidatorNamespace, org.apache.calcite.rel.type.RelDataType)</code></a> rather than
  calling this method directly.</p></div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)">validate</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>targetRowType</code> - Desired row type, must not be null, may be the data
                       type 'unknown'.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getRowType()">
 <h3>getRowType</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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">getRowType</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getRowType()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns the row type of this namespace, which comprises a list of names
  and types of the output columns. If the scope's type has not yet been
  derived, derives it.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#getRowType()">getRowType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Returns:</dt>
 <dd>Row type of this namespace, never null, always a struct</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getRowTypeSansSystemColumns()">
 <h3>getRowTypeSansSystemColumns</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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">getRowTypeSansSystemColumns</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getRowTypeSansSystemColumns()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns the row type of this namespace, sans any system columns.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#getRowTypeSansSystemColumns()">getRowTypeSansSystemColumns</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Returns:</dt>
 <dd>Row type sans system columns</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getType()">
 <h3>getType</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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">getType</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getType()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns the type of this namespace.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#getType()">getType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Returns:</dt>
 <dd>Row type converted to struct</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setType(org.apache.calcite.rel.type.RelDataType)">
 <h3>setType</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setType</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#setType(org.apache.calcite.rel.type.RelDataType)">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Sets the type of this namespace.

  <p>Allows the type for the namespace to be explicitly set, but usually is
  called during <a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)"><code>SqlValidatorNamespace.validate(RelDataType)</code></a>.</p>

  <p>Implicitly also sets the row type. If the type is not a struct, then
  the row type is the type wrapped as a struct with a single column,
  otherwise the type and row type are the same.</p></div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#setType(org.apache.calcite.rel.type.RelDataType)">setType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getEnclosingNode()">
 <h3>getEnclosingNode</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="element-name">getEnclosingNode</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getEnclosingNode()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns the parse tree node that at is at the root of this namespace and
  includes all decorations. If there are no decorations, returns the same
  as <a href="SqlValidatorNamespace.html#getNode()"><code>SqlValidatorNamespace.getNode()</code></a>.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#getEnclosingNode()">getEnclosingNode</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getTable()">
 <h3>getTable</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="SqlValidatorTable.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorTable</a></span>&nbsp;<span class="element-name">getTable</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getTable()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns the underlying table, or null if there is none.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#getTable()">getTable</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="lookupChild(java.lang.String)">
 <h3>lookupChild</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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">lookupChild</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"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#lookupChild(java.lang.String)">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Looks up a child namespace of a given name.

  <p>For example, in the query <code>select e.name from emps as e</code>,
  <code>e</code> is an <a href="IdentifierNamespace.html" title="class in org.apache.calcite.sql.validate"><code>IdentifierNamespace</code></a> which has a child <code>
  name</code> which is a <code>FieldNamespace</code>.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#lookupChild(java.lang.String)">lookupChild</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>name</code> - Name of namespace</dd>
 <dt>Returns:</dt>
 <dd>Namespace</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="field(java.lang.String)">
 <h3>field</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="../../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a></span>&nbsp;<span class="element-name">field</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"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#field(java.lang.String)">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns a field of a given name, or null.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#field(java.lang.String)">field</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>name</code> - Field name</dd>
 <dt>Returns:</dt>
 <dd>Field, or null</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getMonotonicExprs()">
 <h3>getMonotonicExprs</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="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>,<wbr><a href="SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a>&gt;&gt;</span>&nbsp;<span class="element-name">getMonotonicExprs</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getMonotonicExprs()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns a list of expressions which are monotonic in this namespace. For
  example, if the namespace represents a relation ordered by a column
  called "TIMESTAMP", then the list would contain a
  <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> called "TIMESTAMP".</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#getMonotonicExprs()">getMonotonicExprs</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getMonotonicity(java.lang.String)">
 <h3>getMonotonicity</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<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="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)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#getMonotonicity(java.lang.String)">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns whether and how a given column is sorted.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#getMonotonicity(java.lang.String)">getMonotonicity</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="makeNullable()">
 <h3>makeNullable</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">makeNullable</span>()</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#makeNullable()">makeNullable</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="translate(java.lang.String)">
 <h3>translate</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/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">translate</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>
 </section>
 </li>
 <li>
 <section class="detail" id="resolve()">
 <h3>resolve</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></span>&nbsp;<span class="element-name">resolve</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#resolve()">SqlValidatorNamespace</a></code></span></div>
 <div class="block">If this namespace resolves to another namespace, returns that namespace,
  following links to the end of the chain.

  <p>A <code>WITH</code>) clause defines table names that resolve to queries
  (the body of the with-item). An <a href="IdentifierNamespace.html" title="class in org.apache.calcite.sql.validate"><code>IdentifierNamespace</code></a> typically
  resolves to a <code>TableNamespace</code>.</p>

  <p>You must not call this method before <a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)"><code>SqlValidatorNamespace.validate(RelDataType)</code></a> has
  completed.</p></div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#resolve()">resolve</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="supportsModality(org.apache.calcite.sql.validate.SqlModality)">
 <h3>supportsModality</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">supportsModality</span><wbr><span class="parameters">(<a href="SqlModality.html" title="enum in org.apache.calcite.sql.validate">SqlModality</a>&nbsp;modality)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#supportsModality(org.apache.calcite.sql.validate.SqlModality)">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns whether this namespace is capable of giving results of the desired
  modality. <code>true</code> means streaming, <code>false</code> means relational.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#supportsModality(org.apache.calcite.sql.validate.SqlModality)">supportsModality</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>modality</code> - Modality</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="unwrap(java.lang.Class)">
 <h3>unwrap</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="type-parameters">&lt;T&gt;</span>&nbsp;<span class="return-type">T</span>&nbsp;<span class="element-name">unwrap</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;clazz)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#unwrap(java.lang.Class)">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns this namespace, or a wrapped namespace, cast to a particular
  class.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#unwrap(java.lang.Class)">unwrap</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>clazz</code> - Desired type</dd>
 <dt>Returns:</dt>
 <dd>This namespace cast to desired type</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isWrapperFor(java.lang.Class)">
 <h3>isWrapperFor</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isWrapperFor</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;?&gt;&nbsp;clazz)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="SqlValidatorNamespace.html#isWrapperFor(java.lang.Class)">SqlValidatorNamespace</a></code></span></div>
 <div class="block">Returns whether this namespace implements a given interface, or wraps a
  class which does.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="SqlValidatorNamespace.html#isWrapperFor(java.lang.Class)">isWrapperFor</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>clazz</code> - Interface</dd>
 <dt>Returns:</dt>
 <dd>Whether namespace implements given interface</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="convertToStruct(org.apache.calcite.rel.type.RelDataType)">
 <h3>convertToStruct</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<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">convertToStruct</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="toStruct(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.SqlNode)">
 <h3>toStruct</h3>
 <div class="member-signature"><span class="modifiers">protected</span>&nbsp;<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">toStruct</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type,
  @Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;unnest)</span></div>
 <div class="block">Converts a type to a struct if it is not already.</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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