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<title>SqlSetSemanticsTableOperator (Apache Calcite API)</title>
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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql</a></div>
<h1 title="Class SqlSetSemanticsTableOperator" class="title">Class SqlSetSemanticsTableOperator</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance"><a href="SqlOperator.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlOperator</a>
<div class="inheritance"><a href="SqlSpecialOperator.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlSpecialOperator</a>
<div class="inheritance"><a href="SqlInternalOperator.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlInternalOperator</a>
<div class="inheritance">org.apache.calcite.sql.SqlSetSemanticsTableOperator</div>
</div>
</div>
</div>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">SqlSetSemanticsTableOperator</span>
<span class="extends-implements">extends <a href="SqlInternalOperator.html" title="class in org.apache.calcite.sql">SqlInternalOperator</a></span></div>
<div class="block">SetSemanticsTable appears as an parameter in a table function.
It represents as an input table with set semantics.
Set semantics means that the outcome of the function depends on how
the data is partitioned.
When the table function is called from a query, the table parameter can
optionally be extended with either a PARTITION BY clause or
an ORDER BY clause or both.</div>
</section>
<section class="summary">
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<!-- ======== NESTED CLASS SUMMARY ======== -->
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<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="inherited-list">
<h2 id="nested-classes-inherited-from-class-org.apache.calcite.sql.SqlSpecialOperator">Nested classes/interfaces inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlSpecialOperator.html" title="class in org.apache.calcite.sql">SqlSpecialOperator</a></h2>
<code><a href="SqlSpecialOperator.ReduceResult.html" title="class in org.apache.calcite.sql">SqlSpecialOperator.ReduceResult</a>, <a href="SqlSpecialOperator.TokenSequence.html" title="interface in org.apache.calcite.sql">SqlSpecialOperator.TokenSequence</a></code></div>
</section>
</li>
<!-- =========== FIELD SUMMARY =========== -->
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<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.calcite.sql.SqlOperator">Fields inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></h3>
<code><a href="SqlOperator.html#kind">kind</a>, <a href="SqlOperator.html#MDX_PRECEDENCE">MDX_PRECEDENCE</a>, <a href="SqlOperator.html#NL">NL</a></code></div>
</section>
</li>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">SqlSetSemanticsTableOperator</a>()</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#argumentMustBeScalar(int)" class="member-name-link">argumentMustBeScalar</a><wbr>(int&nbsp;ordinal)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns whether the <code>ordinal</code>th argument to this operator must
be scalar (as opposed to a query).</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#createCall(org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlNode...)" class="member-name-link">createCall</a><wbr>(@Nullable <a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;functionQualifier,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos,
@Nullable <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>...&nbsp;operands)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Creates a call to this operator with an array of operands.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#deriveType(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)" class="member-name-link">deriveType</a><wbr>(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator,
<a href="validate/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></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Derives the type of a call to this operator.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#unparse(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)" class="member-name-link">unparse</a><wbr>(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Writes a SQL representation of a call to this operator to a writer,
including parentheses if the operators on either side are of greater
precedence.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.sql.SqlInternalOperator">Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlInternalOperator.html" title="class in org.apache.calcite.sql">SqlInternalOperator</a></h3>
<code><a href="SqlInternalOperator.html#getSyntax()">getSyntax</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.sql.SqlSpecialOperator">Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlSpecialOperator.html" title="class in org.apache.calcite.sql">SqlSpecialOperator</a></h3>
<code><a href="SqlSpecialOperator.html#reduceExpr(int,org.apache.calcite.sql.SqlSpecialOperator.TokenSequence)">reduceExpr</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.calcite.sql.SqlOperator">Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></h3>
<code><a href="SqlOperator.html#acceptCall(org.apache.calcite.sql.util.SqlVisitor,org.apache.calcite.sql.SqlCall)">acceptCall</a>, <a href="SqlOperator.html#acceptCall(org.apache.calcite.sql.util.SqlVisitor,org.apache.calcite.sql.SqlCall,boolean,org.apache.calcite.sql.util.SqlBasicVisitor.ArgHandler)">acceptCall</a>, <a href="SqlOperator.html#adjustType(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.SqlCall,org.apache.calcite.rel.type.RelDataType)">adjustType</a>, <a href="SqlOperator.html#allowsFraming()">allowsFraming</a>, <a href="SqlOperator.html#checkOperandCount(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.type.SqlOperandTypeChecker,org.apache.calcite.sql.SqlCall)">checkOperandCount</a>, <a href="SqlOperator.html#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)">checkOperandTypes</a>, <a href="SqlOperator.html#constructArgNameList(org.apache.calcite.sql.SqlCall)">constructArgNameList</a>, <a href="SqlOperator.html#constructArgTypeList(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall,java.util.List,boolean)">constructArgTypeList</a>, <a href="SqlOperator.html#constructOperandList(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.SqlCall,java.util.List)">constructOperandList</a>, <a href="SqlOperator.html#createCall(org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.parser.SqlParserPos,java.lang.Iterable)">createCall</a>, <a href="SqlOperator.html#createCall(org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlNodeList)">createCall</a>, <a href="SqlOperator.html#createCall(org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlNode...)">createCall</a>, <a href="SqlOperator.html#createCall(org.apache.calcite.sql.parser.SqlParserPos,java.util.List)">createCall</a>, <a href="SqlOperator.html#createCall(org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlNodeList)">createCall</a>, <a href="SqlOperator.html#createCall(org.apache.calcite.sql.SqlNodeList)">createCall</a>, <a href="SqlOperator.html#deriveOperandType(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,int,org.apache.calcite.sql.SqlNode)">deriveOperandType</a>, <a href="SqlOperator.html#equals(java.lang.Object)">equals</a>, <a href="SqlOperator.html#getAllowedSignatures()">getAllowedSignatures</a>, <a href="SqlOperator.html#getAllowedSignatures(java.lang.String)">getAllowedSignatures</a>, <a href="SqlOperator.html#getKind()">getKind</a>, <a href="SqlOperator.html#getLeftPrec()">getLeftPrec</a>, <a href="SqlOperator.html#getMonotonicity(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</a>, <a href="SqlOperator.html#getMonotonicity(org.apache.calcite.sql.SqlOperatorBinding)">getMonotonicity</a>, <a href="SqlOperator.html#getName()">getName</a>, <a href="SqlOperator.html#getNameAsId()">getNameAsId</a>, <a href="SqlOperator.html#getOperandCountRange()">getOperandCountRange</a>, <a href="SqlOperator.html#getOperandTypeChecker()">getOperandTypeChecker</a>, <a href="SqlOperator.html#getOperandTypeInference()">getOperandTypeInference</a>, <a href="SqlOperator.html#getReturnTypeInference()">getReturnTypeInference</a>, <a href="SqlOperator.html#getRightPrec()">getRightPrec</a>, <a href="SqlOperator.html#getSignatureTemplate(int)">getSignatureTemplate</a>, <a href="SqlOperator.html#getStrongPolicyInference()">getStrongPolicyInference</a>, <a href="SqlOperator.html#hashCode()">hashCode</a>, <a href="SqlOperator.html#inferReturnType(org.apache.calcite.rel.type.RelDataTypeFactory,java.util.List)">inferReturnType</a>, <a href="SqlOperator.html#inferReturnType(org.apache.calcite.sql.SqlOperatorBinding)">inferReturnType</a>, <a href="SqlOperator.html#isAggregator()">isAggregator</a>, <a href="SqlOperator.html#isDeterministic()">isDeterministic</a>, <a href="SqlOperator.html#isDynamicFunction()">isDynamicFunction</a>, <a href="SqlOperator.html#isGroup()">isGroup</a>, <a href="SqlOperator.html#isGroupAuxiliary()">isGroupAuxiliary</a>, <a href="SqlOperator.html#isName(java.lang.String,boolean)">isName</a>, <a href="SqlOperator.html#isSymmetrical()">isSymmetrical</a>, <a href="SqlOperator.html#leftPrec(int,boolean)">leftPrec</a>, <a href="SqlOperator.html#not()">not</a>, <a href="SqlOperator.html#preValidateCall(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">preValidateCall</a>, <a href="SqlOperator.html#requiresDecimalExpansion()">requiresDecimalExpansion</a>, <a href="SqlOperator.html#requiresOrder()">requiresOrder</a>, <a href="SqlOperator.html#requiresOver()">requiresOver</a>, <a href="SqlOperator.html#reverse()">reverse</a>, <a href="SqlOperator.html#rewriteCall(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.SqlCall)">rewriteCall</a>, <a href="SqlOperator.html#rightPrec(int,boolean)">rightPrec</a>, <a href="SqlOperator.html#toString()">toString</a>, <a href="SqlOperator.html#unparseListClause(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode)">unparseListClause</a>, <a href="SqlOperator.html#unparseListClause(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlKind)">unparseListClause</a>, <a href="SqlOperator.html#validateCall(org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.validate.SqlValidatorScope)">validateCall</a>, <a href="SqlOperator.html#validateOperands(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">validateOperands</a>, <a href="SqlOperator.html#validRexOperands(int,org.apache.calcite.util.Litmus)">validRexOperands</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;()">
<h3>SqlSetSemanticsTableOperator</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SqlSetSemanticsTableOperator</span>()</div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="createCall(org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlNode...)">
<h3>createCall</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a></span>&nbsp;<span class="element-name">createCall</span><wbr><span class="parameters">(@Nullable <a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a>&nbsp;functionQualifier,
<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos,
@Nullable <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>...&nbsp;operands)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="SqlOperator.html#createCall(org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlNode...)">SqlOperator</a></code></span></div>
<div class="block">Creates a call to this operator with an array of operands.
<p>The position of the resulting call is the union of the <code>pos</code>
and the positions of all of the operands.</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="SqlOperator.html#createCall(org.apache.calcite.sql.SqlLiteral,org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.sql.SqlNode...)">createCall</a></code>&nbsp;in class&nbsp;<code><a href="SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></code></dd>
<dt>Parameters:</dt>
<dd><code>functionQualifier</code> - Function qualifier (e.g. "DISTINCT"), or null</dd>
<dd><code>pos</code> - Parser position of the identifier of the call</dd>
<dd><code>operands</code> - Array of operands</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="unparse(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">
<h3>unparse</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">unparse</span><wbr><span class="parameters">(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="SqlOperator.html#unparse(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">SqlOperator</a></code></span></div>
<div class="block">Writes a SQL representation of a call to this operator to a writer,
including parentheses if the operators on either side are of greater
precedence.
<p>The default implementation of this method delegates to
<a href="SqlSyntax.html#unparse(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlOperator,org.apache.calcite.sql.SqlCall,int,int)"><code>SqlSyntax.unparse(org.apache.calcite.sql.SqlWriter, org.apache.calcite.sql.SqlOperator, org.apache.calcite.sql.SqlCall, int, int)</code></a>.</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="SqlOperator.html#unparse(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">unparse</a></code>&nbsp;in class&nbsp;<code><a href="SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="deriveType(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">
<h3>deriveType</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span>&nbsp;<span class="element-name">deriveType</span><wbr><span class="parameters">(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator,
<a href="validate/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)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="SqlOperator.html#deriveType(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">SqlOperator</a></code></span></div>
<div class="block">Derives the type of a call to this operator.
<p>This method is an intrinsic part of the validation process so, unlike
<a href="SqlOperator.html#inferReturnType(org.apache.calcite.sql.SqlOperatorBinding)"><code>SqlOperator.inferReturnType(org.apache.calcite.sql.SqlOperatorBinding)</code></a>, specific operators would not typically override
this method.</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="SqlInternalOperator.html#deriveType(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">deriveType</a></code>&nbsp;in class&nbsp;<code><a href="SqlInternalOperator.html" title="class in org.apache.calcite.sql">SqlInternalOperator</a></code></dd>
<dt>Parameters:</dt>
<dd><code>validator</code> - Validator</dd>
<dd><code>scope</code> - Scope of validation</dd>
<dd><code>call</code> - Call to this operator</dd>
<dt>Returns:</dt>
<dd>Type of call</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="argumentMustBeScalar(int)">
<h3>argumentMustBeScalar</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">argumentMustBeScalar</span><wbr><span class="parameters">(int&nbsp;ordinal)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="SqlOperator.html#argumentMustBeScalar(int)">SqlOperator</a></code></span></div>
<div class="block">Returns whether the <code>ordinal</code>th argument to this operator must
be scalar (as opposed to a query).
<p>If true (the default), the validator will attempt to convert the
argument into a scalar sub-query, which must have one column and return at
most one row.
<p>Operators such as <code>SELECT</code> and <code>EXISTS</code> override
this method.</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="SqlOperator.html#argumentMustBeScalar(int)">argumentMustBeScalar</a></code>&nbsp;in class&nbsp;<code><a href="SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></code></dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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