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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>
<h1 title="Class SqlUserDefinedFunction" class="title">Class SqlUserDefinedFunction</h1>
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<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="../SqlFunction.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlFunction</a>
<div class="inheritance">org.apache.calcite.sql.validate.SqlUserDefinedFunction</div>
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<section class="description">
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="../../piglet/PigUserDefinedFunction.html" title="class in org.apache.calcite.piglet">PigUserDefinedFunction</a></code>, <code><a href="SqlUserDefinedTableFunction.html" title="class in org.apache.calcite.sql.validate">SqlUserDefinedTableFunction</a></code></dd>
</dl>
<hr>
<pre>public class <span class="typeNameLabel">SqlUserDefinedFunction</span>
extends <a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a></pre>
<div class="block">User-defined scalar function.
<p>Created by the validator, after resolving a function call to a function
defined in a Calcite schema.</p></div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
</thead>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#function">function</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
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<div class="inheritedList">
<h3>Fields inherited from class&nbsp;org.apache.calcite.sql.<a href="../SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></h3>
<a id="fields.inherited.from.class.org.apache.calcite.sql.SqlOperator">
<!-- -->
</a><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>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<tr>
<th class="colFirst" scope="col">Modifier</th>
<th class="colSecond" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
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<tbody>
<tr class="altColor">
<td class="colFirst"><code>&nbsp;</code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlKind,org.apache.calcite.sql.type.SqlReturnTypeInference,org.apache.calcite.sql.type.SqlOperandTypeInference,org.apache.calcite.sql.type.SqlOperandMetadata,org.apache.calcite.schema.Function)">SqlUserDefinedFunction</a></span>&#8203;(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;opName,
<a href="../SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>&nbsp;kind,
<a href="../type/SqlReturnTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../type/SqlOperandTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
@Nullable <a href="../type/SqlOperandMetadata.html" title="interface in org.apache.calcite.sql.type">SqlOperandMetadata</a>&nbsp;operandMetadata,
<a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&nbsp;function)</code></th>
<td class="colLast">
<div class="block">Creates a <a href="SqlUserDefinedFunction.html" title="class in org.apache.calcite.sql.validate"><code>SqlUserDefinedFunction</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected </code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlKind,org.apache.calcite.sql.type.SqlReturnTypeInference,org.apache.calcite.sql.type.SqlOperandTypeInference,org.apache.calcite.sql.type.SqlOperandMetadata,org.apache.calcite.schema.Function,org.apache.calcite.sql.SqlFunctionCategory)">SqlUserDefinedFunction</a></span>&#8203;(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;opName,
<a href="../SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>&nbsp;kind,
<a href="../type/SqlReturnTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../type/SqlOperandTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
@Nullable <a href="../type/SqlOperandMetadata.html" title="interface in org.apache.calcite.sql.type">SqlOperandMetadata</a>&nbsp;operandMetadata,
<a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&nbsp;function,
<a href="../SqlFunctionCategory.html" title="enum in org.apache.calcite.sql">SqlFunctionCategory</a>&nbsp;category)</code></th>
<td class="colLast">
<div class="block">Constructor used internally and by derived classes.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>&nbsp;</code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.type.SqlReturnTypeInference,org.apache.calcite.sql.type.SqlOperandTypeInference,org.apache.calcite.sql.type.SqlOperandTypeChecker,java.util.List,org.apache.calcite.schema.Function)">SqlUserDefinedFunction</a></span>&#8203;(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;opName,
<a href="../type/SqlReturnTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../type/SqlOperandTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
@Nullable <a href="../type/SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a>&nbsp;operandTypeChecker,
<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;paramTypes,
<a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&nbsp;function)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
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<tbody>
<tr class="altColor" id="i0">
<td class="colFirst"><code><a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFunction()">getFunction</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns function that implements given operator call.</div>
</td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>@Nullable <a href="../type/SqlOperandMetadata.html" title="interface in org.apache.calcite.sql.type">SqlOperandMetadata</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOperandTypeChecker()">getOperandTypeChecker</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i2">
<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="#getParamNames()">getParamNames</a></span>()</code></th>
<td class="colLast">
<div class="block">Use <a href="../type/SqlOperandMetadata.html#paramNames()"><code>SqlOperandMetadata.paramNames()</code></a> on the result of
<a href="../SqlOperator.html#getOperandTypeChecker()"><code>SqlOperator.getOperandTypeChecker()</code></a>.</div>
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<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a></h3>
<a id="methods.inherited.from.class.org.apache.calcite.sql.SqlFunction">
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</a><code><a href="../SqlFunction.html#deriveType(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">deriveType</a>, <a href="../SqlFunction.html#getFunctionType()">getFunctionType</a>, <a href="../SqlFunction.html#getNameAsId()">getNameAsId</a>, <a href="../SqlFunction.html#getParamTypes()">getParamTypes</a>, <a href="../SqlFunction.html#getSqlIdentifier()">getSqlIdentifier</a>, <a href="../SqlFunction.html#getSyntax()">getSyntax</a>, <a href="../SqlFunction.html#isQuantifierAllowed()">isQuantifierAllowed</a>, <a href="../SqlFunction.html#unparse(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">unparse</a>, <a href="../SqlFunction.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="../SqlFunction.html#validateQuantifier(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.SqlCall)">validateQuantifier</a></code></div>
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</a><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#argumentMustBeScalar(int)">argumentMustBeScalar</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,org.apache.calcite.sql.SqlNode...)">createCall</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#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#getOperandCountRange()">getOperandCountRange</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#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="inheritedList">
<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<a id="methods.inherited.from.class.java.lang.Object">
<!-- -->
</a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div>
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<h3><a id="function">function</a></h3>
<div class="memberSignature"><span class="modifiers">public final</span>&nbsp;<span class="returnType"><a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a></span>&nbsp;<span class="memberName">function</span></div>
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<h3><a id="&lt;init&gt;(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.type.SqlReturnTypeInference,org.apache.calcite.sql.type.SqlOperandTypeInference,org.apache.calcite.sql.type.SqlOperandTypeChecker,java.util.List,org.apache.calcite.schema.Function)">SqlUserDefinedFunction</a></h3>
<div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a>
</span><span class="modifiers">public</span>&nbsp;<span class="memberName">SqlUserDefinedFunction</span>&#8203;(<span class="arguments"><a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;opName,
<a href="../type/SqlReturnTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../type/SqlOperandTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
@Nullable <a href="../type/SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a>&nbsp;operandTypeChecker,
<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;paramTypes,
<a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&nbsp;function)</span></div>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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<h3><a id="&lt;init&gt;(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlKind,org.apache.calcite.sql.type.SqlReturnTypeInference,org.apache.calcite.sql.type.SqlOperandTypeInference,org.apache.calcite.sql.type.SqlOperandMetadata,org.apache.calcite.schema.Function)">SqlUserDefinedFunction</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="memberName">SqlUserDefinedFunction</span>&#8203;(<span class="arguments"><a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;opName,
<a href="../SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>&nbsp;kind,
<a href="../type/SqlReturnTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../type/SqlOperandTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
@Nullable <a href="../type/SqlOperandMetadata.html" title="interface in org.apache.calcite.sql.type">SqlOperandMetadata</a>&nbsp;operandMetadata,
<a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&nbsp;function)</span></div>
<div class="block">Creates a <a href="SqlUserDefinedFunction.html" title="class in org.apache.calcite.sql.validate"><code>SqlUserDefinedFunction</code></a>.</div>
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<h3><a id="&lt;init&gt;(org.apache.calcite.sql.SqlIdentifier,org.apache.calcite.sql.SqlKind,org.apache.calcite.sql.type.SqlReturnTypeInference,org.apache.calcite.sql.type.SqlOperandTypeInference,org.apache.calcite.sql.type.SqlOperandMetadata,org.apache.calcite.schema.Function,org.apache.calcite.sql.SqlFunctionCategory)">SqlUserDefinedFunction</a></h3>
<div class="memberSignature"><span class="modifiers">protected</span>&nbsp;<span class="memberName">SqlUserDefinedFunction</span>&#8203;(<span class="arguments"><a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;opName,
<a href="../SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>&nbsp;kind,
<a href="../type/SqlReturnTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../type/SqlOperandTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
@Nullable <a href="../type/SqlOperandMetadata.html" title="interface in org.apache.calcite.sql.type">SqlOperandMetadata</a>&nbsp;operandMetadata,
<a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a>&nbsp;function,
<a href="../SqlFunctionCategory.html" title="enum in org.apache.calcite.sql">SqlFunctionCategory</a>&nbsp;category)</span></div>
<div class="block">Constructor used internally and by derived classes.</div>
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<h3><a id="getOperandTypeChecker()">getOperandTypeChecker</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">@Nullable <a href="../type/SqlOperandMetadata.html" title="interface in org.apache.calcite.sql.type">SqlOperandMetadata</a></span>&nbsp;<span class="memberName">getOperandTypeChecker</span>()</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlOperator.html#getOperandTypeChecker()">getOperandTypeChecker</a></code>&nbsp;in class&nbsp;<code><a href="../SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></code></dd>
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<h3><a id="getFunction()">getFunction</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="../../schema/Function.html" title="interface in org.apache.calcite.schema">Function</a></span>&nbsp;<span class="memberName">getFunction</span>()</div>
<div class="block">Returns function that implements given operator call.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>function that implements given operator call</dd>
</dl>
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<h3><a id="getParamNames()">getParamNames</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><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;</span>&nbsp;<span class="memberName">getParamNames</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../SqlFunction.html#getParamNames()">SqlFunction</a></code></span></div>
<div class="block">Use <a href="../type/SqlOperandMetadata.html#paramNames()"><code>SqlOperandMetadata.paramNames()</code></a> on the result of
<a href="../SqlOperator.html#getOperandTypeChecker()"><code>SqlOperator.getOperandTypeChecker()</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlFunction.html#getParamNames()">getParamNames</a></code>&nbsp;in class&nbsp;<code><a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a></code></dd>
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