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 <div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql.validate</a></div>
 <h2 title="Class SqlValidatorImpl" class="title">Class SqlValidatorImpl</h2>
 </div>
 <div class="contentContainer">
 <ul class="inheritance">
 <li><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a></li>
 <li>
 <ul class="inheritance">
 <li>org.apache.calcite.sql.validate.SqlValidatorImpl</li>
 </ul>
 </li>
 </ul>
 <div class="description">
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 <dl>
 <dt>All Implemented Interfaces:</dt>
 <dd><code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code>, <code><a href="SqlValidatorWithHints.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorWithHints</a></code></dd>
 </dl>
 <dl>
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="../../jdbc/ContextSqlValidator.html" title="class in org.apache.calcite.jdbc">ContextSqlValidator</a></code>, <code><a href="../advise/SqlAdvisorValidator.html" title="class in org.apache.calcite.sql.advise">SqlAdvisorValidator</a></code></dd>
 </dl>
 <hr>
 <pre>public class <span class="typeNameLabel">SqlValidatorImpl</span>
 extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>
 implements <a href="SqlValidatorWithHints.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorWithHints</a></pre>
 <div class="block">Default implementation of <a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidator</code></a>.</div>
 </li>
 </ul>
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 <!-- ======== NESTED CLASS SUMMARY ======== -->
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 <h3>Nested Class Summary</h3>
 <table class="memberSummary">
 <caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Class</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SqlValidatorImpl.DmlNamespace.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl.DmlNamespace</a></span></code></th>
 <td class="colLast">
 <div class="block">Common base class for DML statement namespaces.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SqlValidatorImpl.FunctionParamInfo.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl.FunctionParamInfo</a></span></code></th>
 <td class="colLast">
 <div class="block">Utility object used to maintain information about the parameters in a
  function call.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SqlValidatorImpl.IdInfo.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl.IdInfo</a></span></code></th>
 <td class="colLast">
 <div class="block">Information about an identifier in a particular scope.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SqlValidatorImpl.Status.html" title="enum in org.apache.calcite.sql.validate">SqlValidatorImpl.Status</a></span></code></th>
 <td class="colLast">
 <div class="block">Validation status.</div>
 </td>
 </tr>
 </table>
 <ul class="blockList">
 <li class="blockList"><a id="nested.classes.inherited.from.class.org.apache.calcite.sql.validate.SqlValidator">
 <!--   -->
 </a>
 <h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.calcite.sql.validate.<a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></h3>
 <code><a href="SqlValidator.Config.html" title="interface in org.apache.calcite.sql.validate">SqlValidator.Config</a></code></li>
 </ul>
 </li>
 </ul>
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 <!-- =========== FIELD SUMMARY =========== -->
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 <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Field</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Deque.html?is-external=true" title="class or interface in java.util" class="externalLink">Deque</a>&lt;<a href="SqlValidatorImpl.FunctionParamInfo.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl.FunctionParamInfo</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#functionCallStack">functionCallStack</a></span></code></th>
 <td class="colLast">
 <div class="block">Stack of objects that maintain information about function calls.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,&#8203;<a href="SqlValidatorImpl.IdInfo.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl.IdInfo</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#idPositions">idPositions</a></span></code></th>
 <td class="colLast">
 <div class="block">Maps <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser"><code>SqlParserPos</code></a> strings to the <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> identifier
  objects at these positions.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>,&#8203;<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#namespaces">namespaces</a></span></code></th>
 <td class="colLast">
 <div class="block">Maps a <a href="../SqlNode.html" title="class in org.apache.calcite.sql"><code>node</code></a> to the
  <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate"><code>namespace</code></a> which describes what columns they
  contain.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>,&#8203;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#scopes">scopes</a></span></code></th>
 <td class="colLast">
 <div class="block">Maps <a href="../SqlNode.html" title="class in org.apache.calcite.sql"><code>query node</code></a> objects to the <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorScope</code></a>
  scope created from them.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static org.slf4j.Logger</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TRACER">TRACER</a></span></code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#typeFactory">typeFactory</a></span></code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unknownType">unknownType</a></span></code></th>
 <td class="colLast">
 <div class="block">The type of dynamic parameters until a type is imposed on them.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#UPDATE_ANON_PREFIX">UPDATE_ANON_PREFIX</a></span></code></th>
 <td class="colLast">
 <div class="block">Alias prefix generated for source columns when rewriting UPDATE to MERGE.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#UPDATE_SRC_ALIAS">UPDATE_SRC_ALIAS</a></span></code></th>
 <td class="colLast">
 <div class="block">Alias generated for the source table when rewriting UPDATE to MERGE.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#UPDATE_TGT_ALIAS">UPDATE_TGT_ALIAS</a></span></code></th>
 <td class="colLast">
 <div class="block">Alias generated for the target table when rewriting UPDATE to MERGE if no
  alias was specified by the user.</div>
 </td>
 </tr>
 </table>
 </li>
 </ul>
 </section>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <section role="region">
 <ul class="blockList">
 <li class="blockList"><a id="constructor.summary">
 <!--   -->
 </a>
 <h3>Constructor Summary</h3>
 <table class="memberSummary">
 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier</th>
 <th class="colSecond" scope="col">Constructor</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected </code></td>
 <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlOperatorTable,org.apache.calcite.sql.validate.SqlValidatorCatalogReader,org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.sql.validate.SqlValidator.Config)">SqlValidatorImpl</a></span>&#8203;(<a href="../SqlOperatorTable.html" title="interface in org.apache.calcite.sql">SqlOperatorTable</a>&nbsp;opTab,
                 <a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a>&nbsp;catalogReader,
                 <a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
                 <a href="SqlValidator.Config.html" title="interface in org.apache.calcite.sql.validate">SqlValidator.Config</a>&nbsp;config)</code></th>
 <td class="colLast">
 <div class="block">Creates a validator.</div>
 </td>
 </tr>
 </table>
 </li>
 </ul>
 </section>
 <!-- ========== METHOD SUMMARY =========== -->
 <section role="region">
 <ul class="blockList">
 <li class="blockList"><a id="method.summary">
 <!--   -->
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 <h3>Method Summary</h3>
 <table class="memberSummary">
 <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tr id="i0" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addToSelectList(java.util.List,java.util.Set,java.util.List,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SelectScope,boolean)">addToSelectList</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;&nbsp;list,
                <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&nbsp;aliases,
                <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util" class="externalLink">Map.Entry</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,&#8203;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&gt;&nbsp;fieldList,
                <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;exp,
                <a href="SelectScope.html" title="class in org.apache.calcite.sql.validate">SelectScope</a>&nbsp;scope,
                boolean&nbsp;includeSystemVars)</code></th>
 <td class="colLast">
 <div class="block">Adds an expression to a select list, ensuring that its alias does not
  clash with any existing expressions on the list.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#checkTypeAssignment(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.validate.SqlValidatorTable,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.SqlNode)">checkTypeAssignment</a></span>&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;sourceScope,
                    <a href="SqlValidatorTable.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorTable</a>&nbsp;table,
                    <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;sourceRowType,
                    <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType,
                    <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;query)</code></th>
 <td class="colLast">
 <div class="block">Checks the type assignment of an INSERT or UPDATE query.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code><a href="SqlValidator.Config.html" title="interface in org.apache.calcite.sql.validate">SqlValidator.Config</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#config()">config</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns the config of the validator.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>protected <a href="MatchRecognizeNamespace.html" title="class in org.apache.calcite.sql.validate">MatchRecognizeNamespace</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createMatchRecognizeNameSpace(org.apache.calcite.sql.SqlMatchRecognize,org.apache.calcite.sql.SqlNode)">createMatchRecognizeNameSpace</a></span>&#8203;(<a href="../SqlMatchRecognize.html" title="class in org.apache.calcite.sql">SqlMatchRecognize</a>&nbsp;call,
                              <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;enclosingNode)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>protected <a href="SelectNamespace.html" title="class in org.apache.calcite.sql.validate">SelectNamespace</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSelectNamespace(org.apache.calcite.sql.SqlSelect,org.apache.calcite.sql.SqlNode)">createSelectNamespace</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                      <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;enclosingNode)</code></th>
 <td class="colLast">
 <div class="block">Creates a namespace for a <code>SELECT</code> node.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>protected <a href="SetopNamespace.html" title="class in org.apache.calcite.sql.validate">SetopNamespace</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSetopNamespace(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode)">createSetopNamespace</a></span>&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
                     <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;enclosingNode)</code></th>
 <td class="colLast">
 <div class="block">Creates a namespace for a set operation (<code>UNION</code>, <code>
  INTERSECT</code>, or <code>EXCEPT</code>).</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>protected <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSourceSelectForDelete(org.apache.calcite.sql.SqlDelete)">createSourceSelectForDelete</a></span>&#8203;(<a href="../SqlDelete.html" title="class in org.apache.calcite.sql">SqlDelete</a>&nbsp;call)</code></th>
 <td class="colLast">
 <div class="block">Creates the SELECT statement that putatively feeds rows into a DELETE
  statement to be deleted.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>protected <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSourceSelectForUpdate(org.apache.calcite.sql.SqlUpdate)">createSourceSelectForUpdate</a></span>&#8203;(<a href="../SqlUpdate.html" title="class in org.apache.calcite.sql">SqlUpdate</a>&nbsp;call)</code></th>
 <td class="colLast">
 <div class="block">Creates the SELECT statement that putatively feeds rows into an UPDATE
  statement to be updated.</div>
 </td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code>protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createTargetRowType(org.apache.calcite.sql.validate.SqlValidatorTable,org.apache.calcite.sql.SqlNodeList,boolean)">createTargetRowType</a></span>&#8203;(<a href="SqlValidatorTable.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorTable</a>&nbsp;table,
                    <a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;targetColumnList,
                    boolean&nbsp;append)</code></th>
 <td class="colLast">
 <div class="block">Derives a row-type for INSERT and UPDATE operations.</div>
 </td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#declareCursor(org.apache.calcite.sql.SqlSelect,org.apache.calcite.sql.validate.SqlValidatorScope)">declareCursor</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
              <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;parentScope)</code></th>
 <td class="colLast">
 <div class="block">Declares a SELECT expression as a cursor.</div>
 </td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deriveAlias(org.apache.calcite.sql.SqlNode,int)">deriveAlias</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
            int&nbsp;ordinal)</code></th>
 <td class="colLast">
 <div class="block">Derives an alias for an expression.</div>
 </td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deriveConstructorType(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlFunction,org.apache.calcite.sql.SqlFunction,java.util.List)">deriveConstructorType</a></span>&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                      <a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
                      <a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a>&nbsp;unresolvedConstructor,
                      <a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a>&nbsp;resolvedConstructor,
                      <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;argTypes)</code></th>
 <td class="colLast">
 <div class="block">Derives the type of a constructor.</div>
 </td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deriveType(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlNode)">deriveType</a></span>&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
           <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</code></th>
 <td class="colLast">
 <div class="block">Derives the type of a node in a given scope.</div>
 </td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expand(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope)">expand</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr,
       <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Expands an expression.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expandGroupByOrHavingExpr(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlSelect,boolean)">expandGroupByOrHavingExpr</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr,
                          <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                          <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                          boolean&nbsp;havingExpression)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expandOrderExpr(org.apache.calcite.sql.SqlSelect,org.apache.calcite.sql.SqlNode)">expandOrderExpr</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;orderExpr)</code></th>
 <td class="colLast">
 <div class="block">Expands an expression in the ORDER BY clause into an expression with the
  same semantics as expressions in the SELECT clause.</div>
 </td>
 </tr>
 <tr id="i16" class="altColor">
 <td class="colFirst"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expandSelectExpr(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SelectScope,org.apache.calcite.sql.SqlSelect)">expandSelectExpr</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr,
                 <a href="SelectScope.html" title="class in org.apache.calcite.sql.validate">SelectScope</a>&nbsp;scope,
                 <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i17" class="rowColor">
 <td class="colFirst"><code><a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expandStar(org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlSelect,boolean)">expandStar</a></span>&#8203;(<a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;selectList,
           <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
           boolean&nbsp;includeSystemVars)</code></th>
 <td class="colLast">
 <div class="block">Returns a list of expressions, with every occurrence of "&#42;" or
  "TABLE.&#42;" expanded.</div>
 </td>
 </tr>
 <tr id="i18" class="altColor">
 <td class="colFirst"><code>protected <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAggregate(org.apache.calcite.sql.SqlSelect)">getAggregate</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns the parse tree node (GROUP BY, HAVING, or an aggregate function
  call) that causes <code>select</code> to be an aggregate query, or null if it
  is not an aggregate query.</div>
 </td>
 </tr>
 <tr id="i19" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCatalogReader()">getCatalogReader</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns the catalog reader used by this validator.</div>
 </td>
 </tr>
 <tr id="i20" class="altColor">
 <td class="colFirst"><code><a href="SqlConformance.html" title="interface in org.apache.calcite.sql.validate">SqlConformance</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConformance()">getConformance</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i21" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCursorScope(org.apache.calcite.sql.SqlSelect)">getCursorScope</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i22" class="altColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEmptyScope()">getEmptyScope</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i23" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldOrigins(org.apache.calcite.sql.SqlNode)">getFieldOrigins</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;sqlQuery)</code></th>
 <td class="colLast">
 <div class="block">Returns a description of how each field in the row type maps to a
  catalog, schema, table and column in the schema.</div>
 </td>
 </tr>
 <tr id="i24" class="altColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFromScope(org.apache.calcite.sql.SqlSelect)">getFromScope</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns a scope containing the objects visible from the FROM clause of a
  query.</div>
 </td>
 </tr>
 <tr id="i25" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGroupScope(org.apache.calcite.sql.SqlSelect)">getGroupScope</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns a scope containing the objects visible from the GROUP BY clause
  of a query.</div>
 </td>
 </tr>
 <tr id="i26" class="altColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHavingScope(org.apache.calcite.sql.SqlSelect)">getHavingScope</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns a scope containing the objects visible from the HAVING clause of
  a query.</div>
 </td>
 </tr>
 <tr id="i27" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getJoinScope(org.apache.calcite.sql.SqlNode)">getJoinScope</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns a scope containing the objects visible from the ON and USING
  sections of a JOIN clause.</div>
 </td>
 </tr>
 <tr id="i28" class="altColor">
 <td class="colFirst"><code>protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLogicalSourceRowType(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.SqlInsert)">getLogicalSourceRowType</a></span>&#8203;(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;sourceRowType,
                        <a href="../SqlInsert.html" title="class in org.apache.calcite.sql">SqlInsert</a>&nbsp;insert)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i29" class="rowColor">
 <td class="colFirst"><code>protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLogicalTargetRowType(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.SqlInsert)">getLogicalTargetRowType</a></span>&#8203;(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType,
                        <a href="../SqlInsert.html" title="class in org.apache.calcite.sql">SqlInsert</a>&nbsp;insert)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i30" class="altColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMatchRecognizeScope(org.apache.calcite.sql.SqlMatchRecognize)">getMatchRecognizeScope</a></span>&#8203;(<a href="../SqlMatchRecognize.html" title="class in org.apache.calcite.sql">SqlMatchRecognize</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns a scope match recognize clause.</div>
 </td>
 </tr>
 <tr id="i31" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNamespace(org.apache.calcite.sql.SqlNode)">getNamespace</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Finds the namespace corresponding to a given node.</div>
 </td>
 </tr>
 <tr id="i32" class="altColor">
 <td class="colFirst"><code><a href="../SqlOperatorTable.html" title="interface in org.apache.calcite.sql">SqlOperatorTable</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOperatorTable()">getOperatorTable</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns the operator table used by this validator.</div>
 </td>
 </tr>
 <tr id="i33" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOrderScope(org.apache.calcite.sql.SqlSelect)">getOrderScope</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns the scope that expressions in the SELECT and HAVING clause of
  this query should use.</div>
 </td>
 </tr>
 <tr id="i34" class="altColor">
 <td class="colFirst"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOriginal(org.apache.calcite.sql.SqlNode)">getOriginal</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i35" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOverScope(org.apache.calcite.sql.SqlNode)">getOverScope</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns the scope of an OVER or VALUES node.</div>
 </td>
 </tr>
 <tr id="i36" class="altColor">
 <td class="colFirst"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParameterRowType(org.apache.calcite.sql.SqlNode)">getParameterRowType</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;sqlQuery)</code></th>
 <td class="colLast">
 <div class="block">Returns a record type that contains the name and type of each parameter.</div>
 </td>
 </tr>
 <tr id="i37" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParentCursor(java.lang.String)">getParentCursor</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;columnListParamName)</code></th>
 <td class="colLast">
 <div class="block">Retrieves the name of the parent cursor referenced by a column list
  parameter.</div>
 </td>
 </tr>
 <tr id="i38" class="altColor">
 <td class="colFirst"><code><a href="SelectScope.html" title="class in org.apache.calcite.sql.validate">SelectScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRawSelectScope(org.apache.calcite.sql.SqlSelect)">getRawSelectScope</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns the scope for resolving the SELECT, GROUP BY and HAVING clauses.</div>
 </td>
 </tr>
 <tr id="i39" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSelectScope(org.apache.calcite.sql.SqlSelect)">getSelectScope</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns the appropriate scope for validating a particular clause of a
  SELECT statement.</div>
 </td>
 </tr>
 <tr id="i40" class="altColor">
 <td class="colFirst"><code>protected <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSelfJoinExprForUpdate(org.apache.calcite.sql.SqlNode,java.lang.String)">getSelfJoinExprForUpdate</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;table,
                         <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;alias)</code></th>
 <td class="colLast">
 <div class="block">Allows a subclass to provide information about how to convert an UPDATE
  into a MERGE via self-join.</div>
 </td>
 </tr>
 <tr id="i41" class="rowColor">
 <td class="colFirst"><code><a href="implicit/TypeCoercion.html" title="interface in org.apache.calcite.sql.validate.implicit">TypeCoercion</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTypeCoercion()">getTypeCoercion</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Get the type coercion instance.</div>
 </td>
 </tr>
 <tr id="i42" class="altColor">
 <td class="colFirst"><code><a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTypeFactory()">getTypeFactory</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns the type factory used by this validator.</div>
 </td>
 </tr>
 <tr id="i43" class="rowColor">
 <td class="colFirst"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getUnknownType()">getUnknownType</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns an object representing the "unknown" type.</div>
 </td>
 </tr>
 <tr id="i44" class="altColor">
 <td class="colFirst"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValidatedNodeType(org.apache.calcite.sql.SqlNode)">getValidatedNodeType</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns the type assigned to a node by validation.</div>
 </td>
 </tr>
 <tr id="i45" class="rowColor">
 <td class="colFirst"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValidatedNodeTypeIfKnown(org.apache.calcite.sql.SqlNode)">getValidatedNodeTypeIfKnown</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Returns the type assigned to a node by validation, or null if unknown.</div>
 </td>
 </tr>
 <tr id="i46" class="altColor">
 <td class="colFirst"><code>org.apache.calcite.sql.validate.SqlValidatorImpl.ValidationErrorFunction</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValidationErrorFunction()">getValidationErrorFunction</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i47" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWhereScope(org.apache.calcite.sql.SqlSelect)">getWhereScope</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns the scope that expressions in the WHERE and GROUP BY clause of
  this query should use.</div>
 </td>
 </tr>
 <tr id="i48" class="altColor">
 <td class="colFirst"><code>protected <a href="../SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWindowByName(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.validate.SqlValidatorScope)">getWindowByName</a></span>&#8203;(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;id,
                <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i49" class="rowColor">
 <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getWithScope(org.apache.calcite.sql.SqlNode)">getWithScope</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;withItem)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i50" class="altColor">
 <td class="colFirst"><code><a href="../../runtime/CalciteException.html" title="class in org.apache.calcite.runtime">CalciteException</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#handleUnresolvedFunction(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlFunction,java.util.List,java.util.List)">handleUnresolvedFunction</a></span>&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
                         <a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a>&nbsp;unresolvedFunction,
                         <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;argTypes,
                         <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&nbsp;argNames)</code></th>
 <td class="colLast">
 <div class="block">Handles a call to a function which cannot be resolved.</div>
 </td>
 </tr>
 <tr id="i51" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#inferUnknownTypes(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlNode)">inferUnknownTypes</a></span>&#8203;(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;inferredType,
                  <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i52" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAggregate(org.apache.calcite.sql.SqlNode)">isAggregate</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;selectNode)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr id="i53" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAggregate(org.apache.calcite.sql.SqlSelect)">isAggregate</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a SELECT statement is an aggregation.</div>
 </td>
 </tr>
 <tr id="i54" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isNestedAggregateWindow(org.apache.calcite.sql.SqlNode)">isNestedAggregateWindow</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i55" class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isOverAggregateWindow(org.apache.calcite.sql.SqlNode)">isOverAggregateWindow</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i56" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isSystemField(org.apache.calcite.rel.type.RelDataTypeField)">isSystemField</a></span>&#8203;(<a href="../../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&nbsp;field)</code></th>
 <td class="colLast">
 <div class="block">Returns whether a field is a system field.</div>
 </td>
 </tr>
 <tr id="i57" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupHints(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">lookupHints</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;topNode,
            <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Looks up completion hints for a syntactically correct SQL statement that
  has been parsed into an expression tree.</div>
 </td>
 </tr>
 <tr id="i58" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupNameCompletionHints(org.apache.calcite.sql.validate.SqlValidatorScope,java.util.List,org.apache.calcite.sql.parser.SqlParserPos,java.util.Collection)">lookupNameCompletionHints</a></span>&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                          <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&nbsp;names,
                          <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos,
                          <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;hintList)</code></th>
 <td class="colLast">
 <div class="block">Populates a list of all the valid alternatives for an identifier.</div>
 </td>
 </tr>
 <tr id="i59" class="rowColor">
 <td class="colFirst"><code><a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupQualifiedName(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">lookupQualifiedName</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;topNode,
                    <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Looks up the fully qualified name for a <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> at a given
  Parser Position in a parsed expression tree Note: call this only after
  <a href="SqlValidator.html#validate(org.apache.calcite.sql.SqlNode)"><code>SqlValidator.validate(org.apache.calcite.sql.SqlNode)</code></a> has been called.</div>
 </td>
 </tr>
 <tr id="i60" class="altColor">
 <td class="colFirst"><code><a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#makeNullaryCall(org.apache.calcite.sql.SqlIdentifier)">makeNullaryCall</a></span>&#8203;(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;id)</code></th>
 <td class="colLast">
 <div class="block">If an identifier is a legitimate call to a function that has no
  arguments and requires no parentheses (for example "CURRENT_USER"),
  returns a call to that function, otherwise returns null.</div>
 </td>
 </tr>
 <tr id="i61" class="rowColor">
 <td class="colFirst"><code><a href="../../runtime/CalciteContextException.html" title="class in org.apache.calcite.runtime">CalciteContextException</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#newValidationError(org.apache.calcite.sql.SqlNode,org.apache.calcite.runtime.Resources.ExInst)">newValidationError</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
                   org.apache.calcite.runtime.Resources.ExInst&lt;<a href="SqlValidatorException.html" title="class in org.apache.calcite.sql.validate">SqlValidatorException</a>&gt;&nbsp;e)</code></th>
 <td class="colLast">
 <div class="block">Adds "line x, column y" context to a validator exception.</div>
 </td>
 </tr>
 <tr id="i62" class="altColor">
 <td class="colFirst"><code>protected <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#performUnconditionalRewrites(org.apache.calcite.sql.SqlNode,boolean)">performUnconditionalRewrites</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
                             boolean&nbsp;underFrom)</code></th>
 <td class="colLast">
 <div class="block">Performs expression rewrites which are always used unconditionally.</div>
 </td>
 </tr>
 <tr id="i63" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#popFunctionCall()">popFunctionCall</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Removes the topmost entry from the function call stack.</div>
 </td>
 </tr>
 <tr id="i64" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#pushFunctionCall()">pushFunctionCall</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Pushes a new instance of a function call on to a function call stack.</div>
 </td>
 </tr>
 <tr id="i65" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#registerNamespace(org.apache.calcite.sql.validate.SqlValidatorScope,java.lang.String,org.apache.calcite.sql.validate.SqlValidatorNamespace,boolean)">registerNamespace</a></span>&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;usingScope,
                  <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;alias,
                  <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&nbsp;ns,
                  boolean&nbsp;forceNullable)</code></th>
 <td class="colLast">
 <div class="block">Registers a new namespace, and adds it as a child of its parent scope.</div>
 </td>
 </tr>
 <tr id="i66" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeValidatedNodeType(org.apache.calcite.sql.SqlNode)">removeValidatedNodeType</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Removes a node from the set of validated nodes.</div>
 </td>
 </tr>
 <tr id="i67" class="rowColor">
 <td class="colFirst"><code><a href="../SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resolveWindow(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope)">resolveWindow</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;windowOrRef,
              <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Converts a window specification or window name into a fully-resolved
  window specification.</div>
 </td>
 </tr>
 <tr id="i68" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setOriginal(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">setOriginal</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr,
            <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;original)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i69" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setValidatedNodeType(org.apache.calcite.sql.SqlNode,org.apache.calcite.rel.type.RelDataType)">setValidatedNodeType</a></span>&#8203;(<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></th>
 <td class="colLast">
 <div class="block">Saves the type of a <a href="../SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a>, now that it has been validated.</div>
 </td>
 </tr>
 <tr id="i70" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#shouldAllowIntermediateOrderBy()">shouldAllowIntermediateOrderBy</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i71" class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#shouldAllowOverRelation()">shouldAllowOverRelation</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i72" class="altColor">
 <td class="colFirst"><code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#transform(java.util.function.UnaryOperator)">transform</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/function/UnaryOperator.html?is-external=true" title="class or interface in java.util.function" class="externalLink">UnaryOperator</a>&lt;<a href="SqlValidator.Config.html" title="interface in org.apache.calcite.sql.validate">SqlValidator.Config</a>&gt;&nbsp;transform)</code></th>
 <td class="colLast">
 <div class="block">Returns this SqlValidator, with the same state, applying
  a transform to the config.</div>
 </td>
 </tr>
 <tr id="i73" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#usingNames(org.apache.calcite.sql.SqlJoin)">usingNames</a></span>&#8203;(<a href="../SqlJoin.html" title="class in org.apache.calcite.sql">SqlJoin</a>&nbsp;join)</code></th>
 <td class="colLast">
 <div class="block">Returns the set of field names in the join condition specified by USING
  or implicitly by NATURAL, de-duplicated and in order.</div>
 </td>
 </tr>
 <tr id="i74" class="altColor">
 <td class="colFirst"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validate(org.apache.calcite.sql.SqlNode)">validate</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;topNode)</code></th>
 <td class="colLast">
 <div class="block">Validates an expression tree.</div>
 </td>
 </tr>
 <tr id="i75" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateAggregateParams(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.validate.SqlValidatorScope)">validateAggregateParams</a></span>&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;aggCall,
                        <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;filter,
                        <a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;orderList,
                        <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Validates parameters for aggregate function.</div>
 </td>
 </tr>
 <tr id="i76" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateCall(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.validate.SqlValidatorScope)">validateCall</a></span>&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
             <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Validates a call to an operator.</div>
 </td>
 </tr>
 <tr id="i77" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateColumnListParams(org.apache.calcite.sql.SqlFunction,java.util.List,java.util.List)">validateColumnListParams</a></span>&#8203;(<a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a>&nbsp;function,
                         <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;argTypes,
                         <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;&nbsp;operands)</code></th>
 <td class="colLast">
 <div class="block">Validates a COLUMN_LIST parameter.</div>
 </td>
 </tr>
 <tr id="i78" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateDataType(org.apache.calcite.sql.SqlDataTypeSpec)">validateDataType</a></span>&#8203;(<a href="../SqlDataTypeSpec.html" title="class in org.apache.calcite.sql">SqlDataTypeSpec</a>&nbsp;dataType)</code></th>
 <td class="colLast">
 <div class="block">Validates a data type expression.</div>
 </td>
 </tr>
 <tr id="i79" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateDelete(org.apache.calcite.sql.SqlDelete)">validateDelete</a></span>&#8203;(<a href="../SqlDelete.html" title="class in org.apache.calcite.sql">SqlDelete</a>&nbsp;call)</code></th>
 <td class="colLast">
 <div class="block">Validates a DELETE statement.</div>
 </td>
 </tr>
 <tr id="i80" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateDynamicParam(org.apache.calcite.sql.SqlDynamicParam)">validateDynamicParam</a></span>&#8203;(<a href="../SqlDynamicParam.html" title="class in org.apache.calcite.sql">SqlDynamicParam</a>&nbsp;dynamicParam)</code></th>
 <td class="colLast">
 <div class="block">Validates a dynamic parameter.</div>
 </td>
 </tr>
 <tr id="i81" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateFeature(org.apache.calcite.runtime.Feature,org.apache.calcite.sql.parser.SqlParserPos)">validateFeature</a></span>&#8203;(<a href="../../runtime/Feature.html" title="class in org.apache.calcite.runtime">Feature</a>&nbsp;feature,
                <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;context)</code></th>
 <td class="colLast">
 <div class="block">Validates that a particular feature is enabled.</div>
 </td>
 </tr>
 <tr id="i82" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateFrom(org.apache.calcite.sql.SqlNode,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.validate.SqlValidatorScope)">validateFrom</a></span>&#8203;(<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;targetRowType,
             <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Validates the FROM clause of a query, or (recursively) a child node of
  the FROM clause: AS, OVER, JOIN, VALUES, or sub-query.</div>
 </td>
 </tr>
 <tr id="i83" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateGroupClause(org.apache.calcite.sql.SqlSelect)">validateGroupClause</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Validates the GROUP BY clause of a SELECT statement.</div>
 </td>
 </tr>
 <tr id="i84" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateHavingClause(org.apache.calcite.sql.SqlSelect)">validateHavingClause</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i85" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateIdentifier(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.validate.SqlValidatorScope)">validateIdentifier</a></span>&#8203;(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;id,
                   <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Resolves an identifier to a fully-qualified name.</div>
 </td>
 </tr>
 <tr id="i86" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateInsert(org.apache.calcite.sql.SqlInsert)">validateInsert</a></span>&#8203;(<a href="../SqlInsert.html" title="class in org.apache.calcite.sql">SqlInsert</a>&nbsp;insert)</code></th>
 <td class="colLast">
 <div class="block">Validates an INSERT statement.</div>
 </td>
 </tr>
 <tr id="i87" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateIntervalQualifier(org.apache.calcite.sql.SqlIntervalQualifier)">validateIntervalQualifier</a></span>&#8203;(<a href="../SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a>&nbsp;qualifier)</code></th>
 <td class="colLast">
 <div class="block">Validates a <a href="../SqlIntervalQualifier.html" title="class in org.apache.calcite.sql"><code>SqlIntervalQualifier</code></a>.</div>
 </td>
 </tr>
 <tr id="i88" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateJoin(org.apache.calcite.sql.SqlJoin,org.apache.calcite.sql.validate.SqlValidatorScope)">validateJoin</a></span>&#8203;(<a href="../SqlJoin.html" title="class in org.apache.calcite.sql">SqlJoin</a>&nbsp;join,
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 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i89" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateLiteral(org.apache.calcite.sql.SqlLiteral)">validateLiteral</a></span>&#8203;(<a href="../SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;literal)</code></th>
 <td class="colLast">
 <div class="block">Validates a literal.</div>
 </td>
 </tr>
 <tr id="i90" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateMatchRecognize(org.apache.calcite.sql.SqlCall)">validateMatchRecognize</a></span>&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call)</code></th>
 <td class="colLast">
 <div class="block">Validates a MATCH_RECOGNIZE clause.</div>
 </td>
 </tr>
 <tr id="i91" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateMerge(org.apache.calcite.sql.SqlMerge)">validateMerge</a></span>&#8203;(<a href="../SqlMerge.html" title="class in org.apache.calcite.sql">SqlMerge</a>&nbsp;call)</code></th>
 <td class="colLast">
 <div class="block">Validates a MERGE statement.</div>
 </td>
 </tr>
 <tr id="i92" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateModality(org.apache.calcite.sql.SqlSelect,org.apache.calcite.sql.validate.SqlModality,boolean)">validateModality</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                 <a href="SqlModality.html" title="enum in org.apache.calcite.sql.validate">SqlModality</a>&nbsp;modality,
                 boolean&nbsp;fail)</code></th>
 <td class="colLast">
 <div class="block">Validates that a query is capable of producing a return of given modality
  (relational or streaming).</div>
 </td>
 </tr>
 <tr id="i93" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateNamespace(org.apache.calcite.sql.validate.SqlValidatorNamespace,org.apache.calcite.rel.type.RelDataType)">validateNamespace</a></span>&#8203;(<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&nbsp;namespace,
                  <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</code></th>
 <td class="colLast">
 <div class="block">Validates a namespace.</div>
 </td>
 </tr>
 <tr id="i94" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateOrderList(org.apache.calcite.sql.SqlSelect)">validateOrderList</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">
 <div class="block">Validates the ORDER BY clause of a SELECT statement.</div>
 </td>
 </tr>
 <tr id="i95" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateOver(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.validate.SqlValidatorScope)">validateOver</a></span>&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
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 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i96" class="altColor">
 <td class="colFirst"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateParameterizedExpression(org.apache.calcite.sql.SqlNode,java.util.Map)">validateParameterizedExpression</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;topNode,
                                <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,&#8203;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;nameToTypeMap)</code></th>
 <td class="colLast">
 <div class="block">Validates an expression tree.</div>
 </td>
 </tr>
 <tr id="i97" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateQuery(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.rel.type.RelDataType)">validateQuery</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
              <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
              <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</code></th>
 <td class="colLast">
 <div class="block">Checks that a query is valid.</div>
 </td>
 </tr>
 <tr id="i98" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateSelect(org.apache.calcite.sql.SqlSelect,org.apache.calcite.rel.type.RelDataType)">validateSelect</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
               <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</code></th>
 <td class="colLast">
 <div class="block">Validates a SELECT statement.</div>
 </td>
 </tr>
 <tr id="i99" class="rowColor">
 <td class="colFirst"><code>protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateSelectList(org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlSelect,org.apache.calcite.rel.type.RelDataType)">validateSelectList</a></span>&#8203;(<a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;selectItems,
                   <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                   <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i100" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateSequenceValue(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlIdentifier)">validateSequenceValue</a></span>&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                      <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;id)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i101" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateUnnest(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.rel.type.RelDataType)">validateUnnest</a></span>&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
               <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
               <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i102" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateUpdate(org.apache.calcite.sql.SqlUpdate)">validateUpdate</a></span>&#8203;(<a href="../SqlUpdate.html" title="class in org.apache.calcite.sql">SqlUpdate</a>&nbsp;call)</code></th>
 <td class="colLast">
 <div class="block">Validates an UPDATE statement.</div>
 </td>
 </tr>
 <tr id="i103" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateValues(org.apache.calcite.sql.SqlCall,org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.validate.SqlValidatorScope)">validateValues</a></span>&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;node,
               <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType,
               <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Validates a VALUES clause.</div>
 </td>
 </tr>
 <tr id="i104" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateWhereClause(org.apache.calcite.sql.SqlSelect)">validateWhereClause</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i105" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateWhereOrOn(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlNode,java.lang.String)">validateWhereOrOn</a></span>&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;condition,
                  <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;clause)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i106" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateWindow(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">validateWindow</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;windowOrId,
               <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
               <a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call)</code></th>
 <td class="colLast">
 <div class="block">Validates the right-hand side of an OVER expression.</div>
 </td>
 </tr>
 <tr id="i107" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateWindowClause(org.apache.calcite.sql.SqlSelect)">validateWindowClause</a></span>&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i108" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateWith(org.apache.calcite.sql.SqlWith,org.apache.calcite.sql.validate.SqlValidatorScope)">validateWith</a></span>&#8203;(<a href="../SqlWith.html" title="class in org.apache.calcite.sql">SqlWith</a>&nbsp;with,
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 <td class="colLast">&nbsp;</td>
 </tr>
 <tr id="i109" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validateWithItem(org.apache.calcite.sql.SqlWithItem)">validateWithItem</a></span>&#8203;(<a href="../SqlWithItem.html" title="class in org.apache.calcite.sql">SqlWithItem</a>&nbsp;withItem)</code></th>
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 <pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> UPDATE_SRC_ALIAS</pre>
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 <div class="block">Maps <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser"><code>SqlParserPos</code></a> strings to the <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> identifier
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 <div class="block">Maps <a href="../SqlNode.html" title="class in org.apache.calcite.sql"><code>query node</code></a> objects to the <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorScope</code></a>
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 <pre>protected final&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>,&#8203;<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&gt; namespaces</pre>
 <div class="block">Maps a <a href="../SqlNode.html" title="class in org.apache.calcite.sql"><code>node</code></a> to the
  <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate"><code>namespace</code></a> which describes what columns they
  contain.</div>
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 <pre>protected final&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Deque.html?is-external=true" title="class or interface in java.util" class="externalLink">Deque</a>&lt;<a href="SqlValidatorImpl.FunctionParamInfo.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl.FunctionParamInfo</a>&gt; functionCallStack</pre>
 <div class="block">Stack of objects that maintain information about function calls. A stack
  is needed to handle nested function calls. The function call currently
  being validated is at the top of the stack.</div>
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 <pre>protected final&nbsp;<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory</pre>
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 <pre>protected final&nbsp;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> unknownType</pre>
 <div class="block">The type of dynamic parameters until a type is imposed on them.</div>
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 <!-- ========= CONSTRUCTOR DETAIL ======== -->
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 <h3>Constructor Detail</h3>
 <a id="&lt;init&gt;(org.apache.calcite.sql.SqlOperatorTable,org.apache.calcite.sql.validate.SqlValidatorCatalogReader,org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.sql.validate.SqlValidator.Config)">
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 <h4>SqlValidatorImpl</h4>
 <pre>protected&nbsp;SqlValidatorImpl&#8203;(<a href="../SqlOperatorTable.html" title="interface in org.apache.calcite.sql">SqlOperatorTable</a>&nbsp;opTab,
                            <a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a>&nbsp;catalogReader,
                            <a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory,
                            <a href="SqlValidator.Config.html" title="interface in org.apache.calcite.sql.validate">SqlValidator.Config</a>&nbsp;config)</pre>
 <div class="block">Creates a validator.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>opTab</code> - Operator table</dd>
 <dd><code>catalogReader</code> - Catalog reader</dd>
 <dd><code>typeFactory</code> - Type factory</dd>
 <dd><code>config</code> - Config</dd>
 </dl>
 </li>
 </ul>
 </li>
 </ul>
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 <pre class="methodSignature">public&nbsp;<a href="SqlConformance.html" title="interface in org.apache.calcite.sql.validate">SqlConformance</a>&nbsp;getConformance()</pre>
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 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a>&nbsp;getCatalogReader()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getCatalogReader()">SqlValidator</a></code></span></div>
 <div class="block">Returns the catalog reader used by this validator.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getCatalogReader()">getCatalogReader</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>catalog reader</dd>
 </dl>
 </li>
 </ul>
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 <pre class="methodSignature">public&nbsp;<a href="../SqlOperatorTable.html" title="interface in org.apache.calcite.sql">SqlOperatorTable</a>&nbsp;getOperatorTable()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getOperatorTable()">SqlValidator</a></code></span></div>
 <div class="block">Returns the operator table used by this validator.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getOperatorTable()">getOperatorTable</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>operator table</dd>
 </dl>
 </li>
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 <pre class="methodSignature">public&nbsp;<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;getTypeFactory()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getTypeFactory()">SqlValidator</a></code></span></div>
 <div class="block">Returns the type factory used by this validator.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getTypeFactory()">getTypeFactory</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>type factory</dd>
 </dl>
 </li>
 </ul>
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 <h4>getUnknownType</h4>
 <pre class="methodSignature">public&nbsp;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;getUnknownType()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getUnknownType()">SqlValidator</a></code></span></div>
 <div class="block">Returns an object representing the "unknown" type.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getUnknownType()">getUnknownType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>unknown type</dd>
 </dl>
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 <pre class="methodSignature">public&nbsp;<a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;expandStar&#8203;(<a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;selectList,
                               <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                               boolean&nbsp;includeSystemVars)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#expandStar(org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlSelect,boolean)">SqlValidator</a></code></span></div>
 <div class="block">Returns a list of expressions, with every occurrence of "&#42;" or
  "TABLE.&#42;" expanded.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#expandStar(org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.SqlSelect,boolean)">expandStar</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>selectList</code> - Select clause to be expanded</dd>
 <dd><code>select</code> - Query</dd>
 <dd><code>includeSystemVars</code> - Whether to include system variables</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>expanded select clause</dd>
 </dl>
 </li>
 </ul>
 <a id="declareCursor(org.apache.calcite.sql.SqlSelect,org.apache.calcite.sql.validate.SqlValidatorScope)">
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 <pre class="methodSignature">public&nbsp;void&nbsp;declareCursor&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                           <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;parentScope)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#declareCursor(org.apache.calcite.sql.SqlSelect,org.apache.calcite.sql.validate.SqlValidatorScope)">SqlValidator</a></code></span></div>
 <div class="block">Declares a SELECT expression as a cursor.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#declareCursor(org.apache.calcite.sql.SqlSelect,org.apache.calcite.sql.validate.SqlValidatorScope)">declareCursor</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - select expression associated with the cursor</dd>
 <dd><code>parentScope</code> - scope of the parent query associated with the cursor</dd>
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 <pre class="methodSignature">public&nbsp;void&nbsp;pushFunctionCall()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#pushFunctionCall()">SqlValidator</a></code></span></div>
 <div class="block">Pushes a new instance of a function call on to a function call stack.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#pushFunctionCall()">pushFunctionCall</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
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 <h4>popFunctionCall</h4>
 <pre class="methodSignature">public&nbsp;void&nbsp;popFunctionCall()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#popFunctionCall()">SqlValidator</a></code></span></div>
 <div class="block">Removes the topmost entry from the function call stack.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#popFunctionCall()">popFunctionCall</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
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 <h4>getParentCursor</h4>
 <pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;getParentCursor&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;columnListParamName)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getParentCursor(java.lang.String)">SqlValidator</a></code></span></div>
 <div class="block">Retrieves the name of the parent cursor referenced by a column list
  parameter.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getParentCursor(java.lang.String)">getParentCursor</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>columnListParamName</code> - name of the column list parameter</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>name of the parent cursor</dd>
 </dl>
 </li>
 </ul>
 <a id="usingNames(org.apache.calcite.sql.SqlJoin)">
 <!--   -->
 </a>
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 <h4>usingNames</h4>
 <pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&nbsp;usingNames&#8203;(<a href="../SqlJoin.html" title="class in org.apache.calcite.sql">SqlJoin</a>&nbsp;join)</pre>
 <div class="block">Returns the set of field names in the join condition specified by USING
  or implicitly by NATURAL, de-duplicated and in order.</div>
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 <a id="validate(org.apache.calcite.sql.SqlNode)">
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 <h4>validate</h4>
 <pre class="methodSignature">public&nbsp;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;validate&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;topNode)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validate(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Validates an expression tree. You can call this method multiple times,
  but not reentrantly.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validate(org.apache.calcite.sql.SqlNode)">validate</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>topNode</code> - top of expression tree to be validated</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>validated tree (possibly rewritten)</dd>
 </dl>
 </li>
 </ul>
 <a id="lookupHints(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">
 <!--   -->
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 <li class="blockList">
 <h4>lookupHints</h4>
 <pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;lookupHints&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;topNode,
                                     <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidatorWithHints.html#lookupHints(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">SqlValidatorWithHints</a></code></span></div>
 <div class="block">Looks up completion hints for a syntactically correct SQL statement that
  has been parsed into an expression tree. (Note this should be called
  after <a href="SqlValidator.html#validate(org.apache.calcite.sql.SqlNode)"><code>SqlValidator.validate(org.apache.calcite.sql.SqlNode)</code></a>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidatorWithHints.html#lookupHints(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">lookupHints</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorWithHints.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorWithHints</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>topNode</code> - top of expression tree in which to lookup completion hints</dd>
 <dd><code>pos</code> - indicates the position in the sql statement we want to get
                 completion hints for. For example, "select a.ename, b.deptno
                 from sales.emp a join sales.dept b "on a.deptno=b.deptno
                 where empno=1"; setting pos to 'Line 1, Column 17' returns
                 all the possible column names that can be selected from
                 sales.dept table setting pos to 'Line 1, Column 31' returns
                 all the possible table names in 'sales' schema</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>an array of <a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate"><code>SqlMoniker</code></a> (sql identifiers) that can fill in
  at the indicated position</dd>
 </dl>
 </li>
 </ul>
 <a id="lookupQualifiedName(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">
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 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>lookupQualifiedName</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&nbsp;lookupQualifiedName&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;topNode,
                                       <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidatorWithHints.html#lookupQualifiedName(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">SqlValidatorWithHints</a></code></span></div>
 <div class="block">Looks up the fully qualified name for a <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> at a given
  Parser Position in a parsed expression tree Note: call this only after
  <a href="SqlValidator.html#validate(org.apache.calcite.sql.SqlNode)"><code>SqlValidator.validate(org.apache.calcite.sql.SqlNode)</code></a> has been called.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidatorWithHints.html#lookupQualifiedName(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.parser.SqlParserPos)">lookupQualifiedName</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorWithHints.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorWithHints</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>topNode</code> - top of expression tree in which to lookup the qualified
                 name for the SqlIdentifier</dd>
 <dd><code>pos</code> - indicates the position of the <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> in
                 the SQL statement we want to get the qualified
                 name for</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a string of the fully qualified name of the <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a>
  if the Parser position represents a valid <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a>. Else
  return an empty string</dd>
 </dl>
 </li>
 </ul>
 <a id="lookupNameCompletionHints(org.apache.calcite.sql.validate.SqlValidatorScope,java.util.List,org.apache.calcite.sql.parser.SqlParserPos,java.util.Collection)">
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 <ul class="blockList">
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 <h4>lookupNameCompletionHints</h4>
 <pre class="methodSignature">public final&nbsp;void&nbsp;lookupNameCompletionHints&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                                             <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&nbsp;names,
                                             <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos,
                                             <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink">Collection</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;&nbsp;hintList)</pre>
 <div class="block">Populates a list of all the valid alternatives for an identifier.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>scope</code> - Validation scope</dd>
 <dd><code>names</code> - Components of the identifier</dd>
 <dd><code>pos</code> - position</dd>
 <dd><code>hintList</code> - a list of valid options</dd>
 </dl>
 </li>
 </ul>
 <a id="validateParameterizedExpression(org.apache.calcite.sql.SqlNode,java.util.Map)">
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 <li class="blockList">
 <h4>validateParameterizedExpression</h4>
 <pre class="methodSignature">public&nbsp;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;validateParameterizedExpression&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;topNode,
                                                <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,&#8203;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;nameToTypeMap)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateParameterizedExpression(org.apache.calcite.sql.SqlNode,java.util.Map)">SqlValidator</a></code></span></div>
 <div class="block">Validates an expression tree. You can call this method multiple times,
  but not reentrantly.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateParameterizedExpression(org.apache.calcite.sql.SqlNode,java.util.Map)">validateParameterizedExpression</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>topNode</code> - top of expression tree to be validated</dd>
 <dd><code>nameToTypeMap</code> - map of simple name to <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a>; used to
                       resolve <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> references</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>validated tree (possibly rewritten)</dd>
 </dl>
 </li>
 </ul>
 <a id="validateQuery(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.rel.type.RelDataType)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>validateQuery</h4>
 <pre class="methodSignature">public&nbsp;void&nbsp;validateQuery&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
                           <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                           <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateQuery(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.rel.type.RelDataType)">SqlValidator</a></code></span></div>
 <div class="block">Checks that a query is valid.

  <p>Valid queries include:

  <ul>
  <li><code>SELECT</code> statement,
  <li>set operation (<code>UNION</code>, <code>INTERSECT</code>, <code>
  EXCEPT</code>)
  <li>identifier (e.g. representing use of a table in a FROM clause)
  <li>query aliased with the <code>AS</code> operator
  </ul></div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateQuery(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.rel.type.RelDataType)">validateQuery</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - Query node</dd>
 <dd><code>scope</code> - Scope in which the query occurs</dd>
 <dd><code>targetRowType</code> - Desired row type, must not be null, may be the data
                       type 'unknown'.</dd>
 </dl>
 </li>
 </ul>
 <a id="validateNamespace(org.apache.calcite.sql.validate.SqlValidatorNamespace,org.apache.calcite.rel.type.RelDataType)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>validateNamespace</h4>
 <pre class="methodSignature">protected&nbsp;void&nbsp;validateNamespace&#8203;(<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&nbsp;namespace,
                                  <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType)</pre>
 <div class="block">Validates a namespace.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>namespace</code> - Namespace</dd>
 <dd><code>targetRowType</code> - Desired row type, must not be null, may be the data
                       type 'unknown'.</dd>
 </dl>
 </li>
 </ul>
 <a id="getEmptyScope()">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getEmptyScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getEmptyScope()</pre>
 </li>
 </ul>
 <a id="getCursorScope(org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getCursorScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getCursorScope&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 </li>
 </ul>
 <a id="getWhereScope(org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getWhereScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getWhereScope&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getWhereScope(org.apache.calcite.sql.SqlSelect)">SqlValidator</a></code></span></div>
 <div class="block">Returns the scope that expressions in the WHERE and GROUP BY clause of
  this query should use. This scope consists of the tables in the FROM
  clause, and the enclosing scope.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getWhereScope(org.apache.calcite.sql.SqlSelect)">getWhereScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - Query</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope of WHERE clause</dd>
 </dl>
 </li>
 </ul>
 <a id="getSelectScope(org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getSelectScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getSelectScope&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getSelectScope(org.apache.calcite.sql.SqlSelect)">SqlValidator</a></code></span></div>
 <div class="block">Returns the appropriate scope for validating a particular clause of a
  SELECT statement.

  <p>Consider</p>

  <blockquote><pre><code>SELECT *
  FROM foo
  WHERE EXISTS (
     SELECT deptno AS x
     FROM emp
        JOIN dept ON emp.deptno = dept.deptno
     WHERE emp.deptno = 5
     GROUP BY deptno
     ORDER BY x)</code></pre></blockquote>

  <p>What objects can be seen in each part of the sub-query?</p>

  <ul>
  <li>In FROM (<a href="SqlValidator.html#getFromScope(org.apache.calcite.sql.SqlSelect)"><code>SqlValidator.getFromScope(org.apache.calcite.sql.SqlSelect)</code></a> , you can only see 'foo'.

  <li>In WHERE (<a href="SqlValidator.html#getWhereScope(org.apache.calcite.sql.SqlSelect)"><code>SqlValidator.getWhereScope(org.apache.calcite.sql.SqlSelect)</code></a>), GROUP BY (<a href="SqlValidator.html#getGroupScope(org.apache.calcite.sql.SqlSelect)"><code>SqlValidator.getGroupScope(org.apache.calcite.sql.SqlSelect)</code></a>),
  SELECT (<code>getSelectScope</code>), and the ON clause of the JOIN
  (<a href="SqlValidator.html#getJoinScope(org.apache.calcite.sql.SqlNode)"><code>SqlValidator.getJoinScope(org.apache.calcite.sql.SqlNode)</code></a>) you can see 'emp', 'dept', and 'foo'.

  <li>In ORDER BY (<a href="SqlValidator.html#getOrderScope(org.apache.calcite.sql.SqlSelect)"><code>SqlValidator.getOrderScope(org.apache.calcite.sql.SqlSelect)</code></a>), you can see the column alias 'x';
  and tables 'emp', 'dept', and 'foo'.

  </ul></div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getSelectScope(org.apache.calcite.sql.SqlSelect)">getSelectScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - SELECT statement</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope for SELECT statement</dd>
 </dl>
 </li>
 </ul>
 <a id="getRawSelectScope(org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getRawSelectScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SelectScope.html" title="class in org.apache.calcite.sql.validate">SelectScope</a>&nbsp;getRawSelectScope&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getRawSelectScope(org.apache.calcite.sql.SqlSelect)">SqlValidator</a></code></span></div>
 <div class="block">Returns the scope for resolving the SELECT, GROUP BY and HAVING clauses.
  Always a <a href="SelectScope.html" title="class in org.apache.calcite.sql.validate"><code>SelectScope</code></a>; if this is an aggregation query, the
  <a href="AggregatingScope.html" title="interface in org.apache.calcite.sql.validate"><code>AggregatingScope</code></a> is stripped away.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getRawSelectScope(org.apache.calcite.sql.SqlSelect)">getRawSelectScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - SELECT statement</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope for SELECT statement, sans any aggregating scope</dd>
 </dl>
 </li>
 </ul>
 <a id="getHavingScope(org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getHavingScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getHavingScope&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getHavingScope(org.apache.calcite.sql.SqlSelect)">SqlValidator</a></code></span></div>
 <div class="block">Returns a scope containing the objects visible from the HAVING clause of
  a query.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getHavingScope(org.apache.calcite.sql.SqlSelect)">getHavingScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - SELECT statement</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope for HAVING clause</dd>
 </dl>
 </li>
 </ul>
 <a id="getGroupScope(org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getGroupScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getGroupScope&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getGroupScope(org.apache.calcite.sql.SqlSelect)">SqlValidator</a></code></span></div>
 <div class="block">Returns a scope containing the objects visible from the GROUP BY clause
  of a query.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getGroupScope(org.apache.calcite.sql.SqlSelect)">getGroupScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - SELECT statement</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope for GROUP BY clause</dd>
 </dl>
 </li>
 </ul>
 <a id="getFromScope(org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getFromScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getFromScope&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getFromScope(org.apache.calcite.sql.SqlSelect)">SqlValidator</a></code></span></div>
 <div class="block">Returns a scope containing the objects visible from the FROM clause of a
  query.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getFromScope(org.apache.calcite.sql.SqlSelect)">getFromScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - SELECT statement</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope for FROM clause</dd>
 </dl>
 </li>
 </ul>
 <a id="getOrderScope(org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getOrderScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getOrderScope&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getOrderScope(org.apache.calcite.sql.SqlSelect)">SqlValidator</a></code></span></div>
 <div class="block">Returns the scope that expressions in the SELECT and HAVING clause of
  this query should use. This scope consists of the FROM clause and the
  enclosing scope. If the query is aggregating, only columns in the GROUP
  BY clause may be used.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getOrderScope(org.apache.calcite.sql.SqlSelect)">getOrderScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - SELECT statement</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope for ORDER BY clause</dd>
 </dl>
 </li>
 </ul>
 <a id="getMatchRecognizeScope(org.apache.calcite.sql.SqlMatchRecognize)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getMatchRecognizeScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getMatchRecognizeScope&#8203;(<a href="../SqlMatchRecognize.html" title="class in org.apache.calcite.sql">SqlMatchRecognize</a>&nbsp;node)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getMatchRecognizeScope(org.apache.calcite.sql.SqlMatchRecognize)">SqlValidator</a></code></span></div>
 <div class="block">Returns a scope match recognize clause.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getMatchRecognizeScope(org.apache.calcite.sql.SqlMatchRecognize)">getMatchRecognizeScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - Match recognize</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope for Match recognize clause</dd>
 </dl>
 </li>
 </ul>
 <a id="getJoinScope(org.apache.calcite.sql.SqlNode)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getJoinScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getJoinScope&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getJoinScope(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Returns a scope containing the objects visible from the ON and USING
  sections of a JOIN clause.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getJoinScope(org.apache.calcite.sql.SqlNode)">getJoinScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - The item in the FROM clause which contains the ON or USING
              expression</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>naming scope for JOIN clause</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="SqlValidator.html#getFromScope(org.apache.calcite.sql.SqlSelect)"><code>SqlValidator.getFromScope(org.apache.calcite.sql.SqlSelect)</code></a></dd>
 </dl>
 </li>
 </ul>
 <a id="getOverScope(org.apache.calcite.sql.SqlNode)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getOverScope</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;getOverScope&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getOverScope(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Returns the scope of an OVER or VALUES node.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getOverScope(org.apache.calcite.sql.SqlNode)">getOverScope</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - Node</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Scope</dd>
 </dl>
 </li>
 </ul>
 <a id="getNamespace(org.apache.calcite.sql.SqlNode)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getNamespace</h4>
 <pre class="methodSignature">public&nbsp;<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&nbsp;getNamespace&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getNamespace(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Finds the namespace corresponding to a given node.

  <p>For example, in the query <code>SELECT * FROM (SELECT * FROM t), t1 AS
  alias</code>, the both items in the FROM clause have a corresponding
  namespace.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getNamespace(org.apache.calcite.sql.SqlNode)">getNamespace</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - Parse tree node</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>namespace of node</dd>
 </dl>
 </li>
 </ul>
 <a id="performUnconditionalRewrites(org.apache.calcite.sql.SqlNode,boolean)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>performUnconditionalRewrites</h4>
 <pre class="methodSignature">protected&nbsp;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;performUnconditionalRewrites&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
                                                boolean&nbsp;underFrom)</pre>
 <div class="block">Performs expression rewrites which are always used unconditionally. These
  rewrites massage the expression tree into a standard form so that the
  rest of the validation logic can be simpler.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - expression to be rewritten</dd>
 <dd><code>underFrom</code> - whether node appears directly under a FROM clause</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>rewritten expression</dd>
 </dl>
 </li>
 </ul>
 <a id="getSelfJoinExprForUpdate(org.apache.calcite.sql.SqlNode,java.lang.String)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getSelfJoinExprForUpdate</h4>
 <pre class="methodSignature">protected&nbsp;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;getSelfJoinExprForUpdate&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;table,
                                            <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;alias)</pre>
 <div class="block">Allows a subclass to provide information about how to convert an UPDATE
  into a MERGE via self-join. If this method returns null, then no such
  conversion takes place. Otherwise, this method should return a suitable
  unique identifier expression for the given table.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>table</code> - identifier for table being updated</dd>
 <dd><code>alias</code> - alias to use for qualifying columns in expression, or null
               for unqualified references; if this is equal to
               <a href="#UPDATE_SRC_ALIAS">"SYS$SRC"</a>, then column references have been
               anonymized to "SYS$ANONx", where x is the 1-based column
               number.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>expression for unique identifier, or null to prevent conversion</dd>
 </dl>
 </li>
 </ul>
 <a id="createSourceSelectForUpdate(org.apache.calcite.sql.SqlUpdate)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>createSourceSelectForUpdate</h4>
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 <div class="block">Creates the SELECT statement that putatively feeds rows into an UPDATE
  statement to be updated.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - Call to the UPDATE operator</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>select statement</dd>
 </dl>
 </li>
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 <a id="createSourceSelectForDelete(org.apache.calcite.sql.SqlDelete)">
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 <h4>createSourceSelectForDelete</h4>
 <pre class="methodSignature">protected&nbsp;<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;createSourceSelectForDelete&#8203;(<a href="../SqlDelete.html" title="class in org.apache.calcite.sql">SqlDelete</a>&nbsp;call)</pre>
 <div class="block">Creates the SELECT statement that putatively feeds rows into a DELETE
  statement to be deleted.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - Call to the DELETE operator</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>select statement</dd>
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 </li>
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 <pre class="methodSignature">public&nbsp;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;getValidatedNodeType&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getValidatedNodeType(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Returns the type assigned to a node by validation.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getValidatedNodeType(org.apache.calcite.sql.SqlNode)">getValidatedNodeType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - the node of interest</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>validated type, never null</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getValidatedNodeTypeIfKnown(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Returns the type assigned to a node by validation, or null if unknown.
  This allows for queries against nodes such as aliases, which have no type
  of their own. If you want to assert that the node of interest must have a
  type, use <a href="SqlValidator.html#getValidatedNodeType(org.apache.calcite.sql.SqlNode)"><code>SqlValidator.getValidatedNodeType(org.apache.calcite.sql.SqlNode)</code></a> instead.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getValidatedNodeTypeIfKnown(org.apache.calcite.sql.SqlNode)">getValidatedNodeTypeIfKnown</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - the node of interest</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>validated type, or null if unknown or not applicable</dd>
 </dl>
 </li>
 </ul>
 <a id="setValidatedNodeType(org.apache.calcite.sql.SqlNode,org.apache.calcite.rel.type.RelDataType)">
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 <pre class="methodSignature">public final&nbsp;void&nbsp;setValidatedNodeType&#8203;(<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)</pre>
 <div class="block">Saves the type of a <a href="../SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a>, now that it has been validated.

  <p>Unlike the base class method, this method is not deprecated.
  It is available from within Calcite, but is not part of the public API.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#setValidatedNodeType(org.apache.calcite.sql.SqlNode,org.apache.calcite.rel.type.RelDataType)">setValidatedNodeType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - A SQL parse tree node, never null</dd>
 <dd><code>type</code> - Its type; must not be null</dd>
 </dl>
 </li>
 </ul>
 <a id="removeValidatedNodeType(org.apache.calcite.sql.SqlNode)">
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 <h4>removeValidatedNodeType</h4>
 <pre class="methodSignature">public&nbsp;void&nbsp;removeValidatedNodeType&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#removeValidatedNodeType(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Removes a node from the set of validated nodes.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#removeValidatedNodeType(org.apache.calcite.sql.SqlNode)">removeValidatedNodeType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - node to be removed</dd>
 </dl>
 </li>
 </ul>
 <a id="makeNullaryCall(org.apache.calcite.sql.SqlIdentifier)">
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 <pre class="methodSignature"><a href="https://docs.oracle.com/javase/9/docs/api/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation" class="externalLink">@Nullable</a>
 public&nbsp;<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;makeNullaryCall&#8203;(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;id)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#makeNullaryCall(org.apache.calcite.sql.SqlIdentifier)">SqlValidator</a></code></span></div>
 <div class="block">If an identifier is a legitimate call to a function that has no
  arguments and requires no parentheses (for example "CURRENT_USER"),
  returns a call to that function, otherwise returns null.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#makeNullaryCall(org.apache.calcite.sql.SqlIdentifier)">makeNullaryCall</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 </dl>
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 <pre class="methodSignature">public&nbsp;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;deriveType&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                               <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#deriveType(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Derives the type of a node in a given scope. If the type has already been
  inferred, returns the previous type.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#deriveType(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlNode)">deriveType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>scope</code> - Syntactic scope</dd>
 <dd><code>expr</code> - Parse tree node</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Type of the SqlNode. Should never return <code>NULL</code></dd>
 </dl>
 </li>
 </ul>
 <a id="deriveConstructorType(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlFunction,org.apache.calcite.sql.SqlFunction,java.util.List)">
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 <pre class="methodSignature">public&nbsp;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;deriveConstructorType&#8203;(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                                          <a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
                                          <a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a>&nbsp;unresolvedConstructor,
                                          <a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a>&nbsp;resolvedConstructor,
                                          <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;argTypes)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#deriveConstructorType(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlFunction,org.apache.calcite.sql.SqlFunction,java.util.List)">SqlValidator</a></code></span></div>
 <div class="block">Derives the type of a constructor.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#deriveConstructorType(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlFunction,org.apache.calcite.sql.SqlFunction,java.util.List)">deriveConstructorType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>scope</code> - Scope</dd>
 <dd><code>call</code> - Call</dd>
 <dd><code>unresolvedConstructor</code> - TODO</dd>
 <dd><code>resolvedConstructor</code> - TODO</dd>
 <dd><code>argTypes</code> - Types of arguments</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Resolved type of constructor</dd>
 </dl>
 </li>
 </ul>
 <a id="handleUnresolvedFunction(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlFunction,java.util.List,java.util.List)">
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 <pre class="methodSignature">public&nbsp;<a href="../../runtime/CalciteException.html" title="class in org.apache.calcite.runtime">CalciteException</a>&nbsp;handleUnresolvedFunction&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
                                                  <a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a>&nbsp;unresolvedFunction,
                                                  <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;argTypes,
                                                  <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&nbsp;argNames)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#handleUnresolvedFunction(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlFunction,java.util.List,java.util.List)">SqlValidator</a></code></span></div>
 <div class="block">Handles a call to a function which cannot be resolved. Returns a an
  appropriately descriptive error, which caller must throw.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#handleUnresolvedFunction(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlFunction,java.util.List,java.util.List)">handleUnresolvedFunction</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - Call</dd>
 <dd><code>unresolvedFunction</code> - Overloaded function which is the target of the
                            call</dd>
 <dd><code>argTypes</code> - Types of arguments</dd>
 <dd><code>argNames</code> - Names of arguments, or null if call by position</dd>
 </dl>
 </li>
 </ul>
 <a id="inferUnknownTypes(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlNode)">
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                                  <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;inferredType,
                                  <a href="https://docs.oracle.com/javase/9/docs/api/javax/annotation/Nonnull.html?is-external=true" title="class or interface in javax.annotation" class="externalLink">@Nonnull</a>
                                  <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                                  <a href="https://docs.oracle.com/javase/9/docs/api/javax/annotation/Nonnull.html?is-external=true" title="class or interface in javax.annotation" class="externalLink">@Nonnull</a>
                                  <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</pre>
 </li>
 </ul>
 <a id="addToSelectList(java.util.List,java.util.Set,java.util.List,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SelectScope,boolean)">
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 <pre class="methodSignature">protected&nbsp;void&nbsp;addToSelectList&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;&nbsp;list,
                                <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&nbsp;aliases,
                                <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util" class="externalLink">Map.Entry</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,&#8203;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&gt;&nbsp;fieldList,
                                <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;exp,
                                <a href="SelectScope.html" title="class in org.apache.calcite.sql.validate">SelectScope</a>&nbsp;scope,
                                boolean&nbsp;includeSystemVars)</pre>
 <div class="block">Adds an expression to a select list, ensuring that its alias does not
  clash with any existing expressions on the list.</div>
 </li>
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 <a id="deriveAlias(org.apache.calcite.sql.SqlNode,int)">
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                           int&nbsp;ordinal)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#deriveAlias(org.apache.calcite.sql.SqlNode,int)">SqlValidator</a></code></span></div>
 <div class="block">Derives an alias for an expression. If no alias can be derived, returns
  null if <code>ordinal</code> is less than zero, otherwise generates an
  alias <code>EXPR$<i>ordinal</i></code>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#deriveAlias(org.apache.calcite.sql.SqlNode,int)">deriveAlias</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - Expression</dd>
 <dd><code>ordinal</code> - Ordinal of expression</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>derived alias, or null if no alias can be derived and ordinal is
  less than zero</dd>
 </dl>
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 <pre class="methodSignature">protected&nbsp;boolean&nbsp;shouldAllowIntermediateOrderBy()</pre>
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 <h4>createMatchRecognizeNameSpace</h4>
 <pre class="methodSignature">protected&nbsp;<a href="MatchRecognizeNamespace.html" title="class in org.apache.calcite.sql.validate">MatchRecognizeNamespace</a>&nbsp;createMatchRecognizeNameSpace&#8203;(<a href="../SqlMatchRecognize.html" title="class in org.apache.calcite.sql">SqlMatchRecognize</a>&nbsp;call,
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                                  <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;alias,
                                  <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a>&nbsp;ns,
                                  boolean&nbsp;forceNullable)</pre>
 <div class="block">Registers a new namespace, and adds it as a child of its parent scope.
  Derived class can override this method to tinker with namespaces as they
  are created.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>usingScope</code> - Parent scope (which will want to look for things in
                       this namespace)</dd>
 <dd><code>alias</code> - Alias by which parent will refer to this namespace</dd>
 <dd><code>ns</code> - Namespace</dd>
 <dd><code>forceNullable</code> - Whether to force the type of namespace to be nullable</dd>
 </dl>
 </li>
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 <pre class="methodSignature">protected&nbsp;boolean&nbsp;shouldAllowOverRelation()</pre>
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 <h4>createSelectNamespace</h4>
 <pre class="methodSignature">protected&nbsp;<a href="SelectNamespace.html" title="class in org.apache.calcite.sql.validate">SelectNamespace</a>&nbsp;createSelectNamespace&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                                                 <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;enclosingNode)</pre>
 <div class="block">Creates a namespace for a <code>SELECT</code> node. Derived class may
  override this factory method.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - Select node</dd>
 <dd><code>enclosingNode</code> - Enclosing node</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Select namespace</dd>
 </dl>
 </li>
 </ul>
 <a id="createSetopNamespace(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode)">
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 <h4>createSetopNamespace</h4>
 <pre class="methodSignature">protected&nbsp;<a href="SetopNamespace.html" title="class in org.apache.calcite.sql.validate">SetopNamespace</a>&nbsp;createSetopNamespace&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
                                               <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;enclosingNode)</pre>
 <div class="block">Creates a namespace for a set operation (<code>UNION</code>, <code>
  INTERSECT</code>, or <code>EXCEPT</code>). Derived class may override
  this factory method.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - Call to set operation</dd>
 <dd><code>enclosingNode</code> - Enclosing node</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Set operation namespace</dd>
 </dl>
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 </ul>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#isAggregate(org.apache.calcite.sql.SqlSelect)">SqlValidator</a></code></span></div>
 <div class="block">Returns whether a SELECT statement is an aggregation. Criteria are: (1)
  contains GROUP BY, or (2) contains HAVING, or (3) SELECT or ORDER BY
  clause contains aggregate functions. (Windowed aggregate functions, such
  as <code>SUM(x) OVER w</code>, don't count.)</div>
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - SELECT statement</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>whether SELECT statement is an aggregation</dd>
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 <div class="block">Returns the parse tree node (GROUP BY, HAVING, or an aggregate function
  call) that causes <code>select</code> to be an aggregate query, or null if it
  is not an aggregate query.

  <p>The node is useful context for error messages,
  but you cannot assume that the node is the only aggregate function.</div>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#isAggregate(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Returns whether a select list expression is an aggregate function.</div>
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 <dd><code><a href="SqlValidator.html#isAggregate(org.apache.calcite.sql.SqlNode)">isAggregate</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>selectNode</code> - Expression in SELECT clause</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>whether expression is an aggregate function</dd>
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - Node in FROM clause, typically a table or derived
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 <dd><code>targetRowType</code> - Desired row type of this expression, or
                       <a href="#unknownType"><code>unknownType</code></a> if not fussy. Must not be null.</dd>
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 <div class="block">Validates that a query is capable of producing a return of given modality
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 <dt><span class="paramLabel">Parameters:</span></dt>
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 <dd><code>modality</code> - Modality (streaming or relational)</dd>
 <dd><code>fail</code> - Whether to throw a user error if does not support required
              modality</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>whether query supports the given modality</dd>
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 <dd><code><a href="SqlValidator.html#config()">config</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
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 <div class="block">Returns this SqlValidator, with the same state, applying
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  <p>This is mainly used for tests, otherwise constructs a <a href="SqlValidator.Config.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidator.Config</code></a> directly
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 <dl>
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 <pre class="methodSignature">protected&nbsp;void&nbsp;validateOrderList&#8203;(<a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 <div class="block">Validates the ORDER BY clause of a SELECT statement.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - Select statement</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#expandOrderExpr(org.apache.calcite.sql.SqlSelect,org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Expands an expression in the ORDER BY clause into an expression with the
  same semantics as expressions in the SELECT clause.

  <p>This is made necessary by a couple of dialect 'features':

  <ul>
  <li><b>ordinal expressions</b>: In "SELECT x, y FROM t ORDER BY 2", the
  expression "2" is shorthand for the 2nd item in the select clause, namely
  "y".
  <li><b>alias references</b>: In "SELECT x AS a, y FROM t ORDER BY a", the
  expression "a" is shorthand for the item in the select clause whose alias
  is "a"
  </ul></div>
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>select</code> - Select statement which contains ORDER BY</dd>
 <dd><code>orderExpr</code> - Expression in the ORDER BY clause.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Expression translated into SELECT clause semantics</dd>
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 <div class="block">Validates the GROUP BY clause of a SELECT statement. This method is
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                                           <a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;targetColumnList,
                                           boolean&nbsp;append)</pre>
 <div class="block">Derives a row-type for INSERT and UPDATE operations.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>table</code> - Target table for INSERT/UPDATE</dd>
 <dd><code>targetColumnList</code> - List of target columns, or null if not specified</dd>
 <dd><code>append</code> - Whether to append fields to those in <code>
                          baseRowType</code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Rowtype</dd>
 </dl>
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 </ul>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateInsert(org.apache.calcite.sql.SqlInsert)">SqlValidator</a></code></span></div>
 <div class="block">Validates an INSERT statement.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateInsert(org.apache.calcite.sql.SqlInsert)">validateInsert</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>insert</code> - INSERT statement</dd>
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                                    <a href="SqlValidatorTable.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorTable</a>&nbsp;table,
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                                    <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;targetRowType,
                                    <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;query)</pre>
 <div class="block">Checks the type assignment of an INSERT or UPDATE query.

  <p>Skip the virtual columns(can not insert into) type assignment
  check if the source fields count equals with
  the real target table fields count, see how #checkFieldCount was used.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>sourceScope</code> - Scope of query source which is used to infer node type</dd>
 <dd><code>table</code> - Target table</dd>
 <dd><code>sourceRowType</code> - Source row type</dd>
 <dd><code>targetRowType</code> - Target row type, it should either contain all the virtual columns
                       (can not insert into) or exclude all the virtual columns</dd>
 <dd><code>query</code> - The query</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateDelete(org.apache.calcite.sql.SqlDelete)">SqlValidator</a></code></span></div>
 <div class="block">Validates a DELETE statement.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateDelete(org.apache.calcite.sql.SqlDelete)">validateDelete</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - DELETE statement</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateUpdate(org.apache.calcite.sql.SqlUpdate)">SqlValidator</a></code></span></div>
 <div class="block">Validates an UPDATE statement.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateUpdate(org.apache.calcite.sql.SqlUpdate)">validateUpdate</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - UPDATE statement</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateMerge(org.apache.calcite.sql.SqlMerge)">SqlValidator</a></code></span></div>
 <div class="block">Validates a MERGE statement.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateMerge(org.apache.calcite.sql.SqlMerge)">validateMerge</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - MERGE statement</dd>
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                               <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</pre>
 <div class="block">Validates a VALUES clause.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - Values clause</dd>
 <dd><code>targetRowType</code> - Row type which expression must conform to</dd>
 <dd><code>scope</code> - Scope within which clause occurs</dd>
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 <pre class="methodSignature">public&nbsp;void&nbsp;validateDataType&#8203;(<a href="../SqlDataTypeSpec.html" title="class in org.apache.calcite.sql">SqlDataTypeSpec</a>&nbsp;dataType)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateDataType(org.apache.calcite.sql.SqlDataTypeSpec)">SqlValidator</a></code></span></div>
 <div class="block">Validates a data type expression.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateDataType(org.apache.calcite.sql.SqlDataTypeSpec)">validateDataType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>dataType</code> - Data type</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateDynamicParam(org.apache.calcite.sql.SqlDynamicParam)">SqlValidator</a></code></span></div>
 <div class="block">Validates a dynamic parameter.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateDynamicParam(org.apache.calcite.sql.SqlDynamicParam)">validateDynamicParam</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>dynamicParam</code> - Dynamic parameter</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#newValidationError(org.apache.calcite.sql.SqlNode,org.apache.calcite.runtime.Resources.ExInst)">SqlValidator</a></code></span></div>
 <div class="block">Adds "line x, column y" context to a validator exception.

  <p>Note that the input exception is checked (it derives from
  <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Exception</code></a>) and the output exception is unchecked (it derives from
  <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>RuntimeException</code></a>). This is intentional -- it should remind code
  authors to provide context for their validation errors.</p></div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#newValidationError(org.apache.calcite.sql.SqlNode,org.apache.calcite.runtime.Resources.ExInst)">newValidationError</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>node</code> - The place where the exception occurred, not null</dd>
 <dd><code>e</code> - The validation error</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Exception containing positional information, never null</dd>
 </dl>
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 <div class="block">Converts a window specification or window name into a fully-resolved
  window specification. For example, in <code>SELECT sum(x) OVER (PARTITION
  BY x ORDER BY y), sum(y) OVER w1, sum(z) OVER (w ORDER BY y) FROM t
  WINDOW w AS (PARTITION BY x)</code> all aggregations have the same
  resolved window specification <code>(PARTITION BY x ORDER BY y)</code>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#resolveWindow(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope)">resolveWindow</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>windowOrRef</code> - Either the name of a window (a <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a>)
                        or a window specification (a <a href="../SqlWindow.html" title="class in org.apache.calcite.sql"><code>SqlWindow</code></a>).</dd>
 <dd><code>scope</code> - Scope in which to resolve window names</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>A window</dd>
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                            <a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateWindow(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">SqlValidator</a></code></span></div>
 <div class="block">Validates the right-hand side of an OVER expression. It might be either
  an <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>identifier</code></a> referencing a window, or an
  <a href="../SqlWindow.html" title="class in org.apache.calcite.sql"><code>inline window specification</code></a>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateWindow(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">validateWindow</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>windowOrId</code> - SqlNode that can be either SqlWindow with all the
                    components of a window spec or a SqlIdentifier with the
                    name of a window spec.</dd>
 <dd><code>scope</code> - Naming scope</dd>
 <dd><code>call</code> - the SqlNode if a function call if the window is attached
                    to one.</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateMatchRecognize(org.apache.calcite.sql.SqlCall)">SqlValidator</a></code></span></div>
 <div class="block">Validates a MATCH_RECOGNIZE clause.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateMatchRecognize(org.apache.calcite.sql.SqlCall)">validateMatchRecognize</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - MATCH_RECOGNIZE clause</dd>
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                                     <a href="../SqlNodeList.html" title="class in org.apache.calcite.sql">SqlNodeList</a>&nbsp;orderList,
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateAggregateParams(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.validate.SqlValidatorScope)">SqlValidator</a></code></span></div>
 <div class="block">Validates parameters for aggregate function.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateAggregateParams(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNodeList,org.apache.calcite.sql.validate.SqlValidatorScope)">validateAggregateParams</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>aggCall</code> - Call to aggregate function</dd>
 <dd><code>filter</code> - Filter (<code>FILTER (WHERE)</code> clause), or null</dd>
 <dd><code>orderList</code> - Ordering specification (<code>WITHING GROUP</code> clause),
                     or null</dd>
 <dd><code>scope</code> - Syntactic scope</dd>
 </dl>
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 <pre class="methodSignature">public&nbsp;void&nbsp;validateCall&#8203;(<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
                          <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateCall(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.validate.SqlValidatorScope)">SqlValidator</a></code></span></div>
 <div class="block">Validates a call to an operator.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateCall(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.validate.SqlValidatorScope)">validateCall</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>call</code> - Operator call</dd>
 <dd><code>scope</code> - Naming scope</dd>
 </dl>
 </li>
 </ul>
 <a id="validateFeature(org.apache.calcite.runtime.Feature,org.apache.calcite.sql.parser.SqlParserPos)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>validateFeature</h4>
 <pre class="methodSignature">protected&nbsp;void&nbsp;validateFeature&#8203;(<a href="../../runtime/Feature.html" title="class in org.apache.calcite.runtime">Feature</a>&nbsp;feature,
                                <a href="../parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;context)</pre>
 <div class="block">Validates that a particular feature is enabled. By default, all features
  are enabled; subclasses may override this method to be more
  discriminating.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>feature</code> - feature being used, represented as a resource instance</dd>
 <dd><code>context</code> - parser position context for error reporting, or null if</dd>
 </dl>
 </li>
 </ul>
 <a id="expandSelectExpr(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SelectScope,org.apache.calcite.sql.SqlSelect)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>expandSelectExpr</h4>
 <pre class="methodSignature">public&nbsp;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expandSelectExpr&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr,
                                 <a href="SelectScope.html" title="class in org.apache.calcite.sql.validate">SelectScope</a>&nbsp;scope,
                                 <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select)</pre>
 </li>
 </ul>
 <a id="expand(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>expand</h4>
 <pre class="methodSignature">public&nbsp;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expand&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr,
                       <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#expand(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope)">SqlValidator</a></code></span></div>
 <div class="block">Expands an expression.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#expand(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope)">expand</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>expr</code> - Expression</dd>
 <dd><code>scope</code> - Scope</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Expanded expression</dd>
 </dl>
 </li>
 </ul>
 <a id="expandGroupByOrHavingExpr(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlSelect,boolean)">
 <!--   -->
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 <ul class="blockList">
 <li class="blockList">
 <h4>expandGroupByOrHavingExpr</h4>
 <pre class="methodSignature">public&nbsp;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expandGroupByOrHavingExpr&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;expr,
                                          <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope,
                                          <a href="../SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a>&nbsp;select,
                                          boolean&nbsp;havingExpression)</pre>
 </li>
 </ul>
 <a id="isSystemField(org.apache.calcite.rel.type.RelDataTypeField)">
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 </a>
 <ul class="blockList">
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 <h4>isSystemField</h4>
 <pre class="methodSignature">public&nbsp;boolean&nbsp;isSystemField&#8203;(<a href="../../rel/type/RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>&nbsp;field)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#isSystemField(org.apache.calcite.rel.type.RelDataTypeField)">SqlValidator</a></code></span></div>
 <div class="block">Returns whether a field is a system field. Such fields may have
  particular properties such as sortedness and nullability.

  <p>In the default implementation, always returns <code>false</code>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#isSystemField(org.apache.calcite.rel.type.RelDataTypeField)">isSystemField</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>field</code> - Field</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>whether field is a system field</dd>
 </dl>
 </li>
 </ul>
 <a id="getFieldOrigins(org.apache.calcite.sql.SqlNode)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getFieldOrigins</h4>
 <pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&gt;&gt;&nbsp;getFieldOrigins&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;sqlQuery)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getFieldOrigins(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Returns a description of how each field in the row type maps to a
  catalog, schema, table and column in the schema.

  <p>The returned list is never null, and has one element for each field
  in the row type. Each element is a list of four elements (catalog,
  schema, table, column), or may be null if the column is an expression.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getFieldOrigins(org.apache.calcite.sql.SqlNode)">getFieldOrigins</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>sqlQuery</code> - Query</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Description of how each field in the row type maps to a schema
  object</dd>
 </dl>
 </li>
 </ul>
 <a id="getParameterRowType(org.apache.calcite.sql.SqlNode)">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>getParameterRowType</h4>
 <pre class="methodSignature">public&nbsp;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;getParameterRowType&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;sqlQuery)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#getParameterRowType(org.apache.calcite.sql.SqlNode)">SqlValidator</a></code></span></div>
 <div class="block">Returns a record type that contains the name and type of each parameter.
  Returns a record type with no fields if there are no parameters.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#getParameterRowType(org.apache.calcite.sql.SqlNode)">getParameterRowType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>sqlQuery</code> - Query</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Record type</dd>
 </dl>
 </li>
 </ul>
 <a id="validateColumnListParams(org.apache.calcite.sql.SqlFunction,java.util.List,java.util.List)">
 <!--   -->
 </a>
 <ul class="blockListLast">
 <li class="blockList">
 <h4>validateColumnListParams</h4>
 <pre class="methodSignature">public&nbsp;void&nbsp;validateColumnListParams&#8203;(<a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a>&nbsp;function,
                                      <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;argTypes,
                                      <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&gt;&nbsp;operands)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidator.html#validateColumnListParams(org.apache.calcite.sql.SqlFunction,java.util.List,java.util.List)">SqlValidator</a></code></span></div>
 <div class="block">Validates a COLUMN_LIST parameter.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlValidator.html#validateColumnListParams(org.apache.calcite.sql.SqlFunction,java.util.List,java.util.List)">validateColumnListParams</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>function</code> - function containing COLUMN_LIST parameter</dd>
 <dd><code>argTypes</code> - function arguments</dd>
 <dd><code>operands</code> - operands passed into the function call</dd>
 </dl>
 </li>
 </ul>
 </li>
 </ul>
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