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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.sql.fun</a></div> |
| <h1 title="Class SqlCountAggFunction" class="title">Class SqlCountAggFunction</h1> |
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| <div class="inheritance" title="Inheritance Tree"><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> |
| <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"><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlAggFunction</a> |
| <div class="inheritance">org.apache.calcite.sql.fun.SqlCountAggFunction</div> |
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| <section class="description"> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../../plan/Context.html" title="interface in org.apache.calcite.plan">Context</a></code>, <code><a href="../../schema/Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></code></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="SqlRegrCountAggFunction.html" title="class in org.apache.calcite.sql.fun">SqlRegrCountAggFunction</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">SqlCountAggFunction</span> |
| extends <a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></pre> |
| <div class="block">Definition of the SQL <code>COUNT</code> aggregation function. |
| |
| <p><code>COUNT</code> is an aggregator which returns the number of rows which |
| have gone into it. With one argument (or more), it returns the number of rows |
| for which that argument (or all) is not <code>null</code>.</div> |
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| <h3>Fields inherited from class org.apache.calcite.sql.<a href="../SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></h3> |
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| </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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| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
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| <tbody> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.String)">SqlCountAggFunction</a></span>​(<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> name)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.String,org.apache.calcite.sql.type.SqlOperandTypeChecker)">SqlCountAggFunction</a></span>​(<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> name, |
| <a href="../type/SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a> sqlOperandTypeChecker)</code></th> |
| <td class="colLast"> </td> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tbody> |
| <tr class="altColor" id="i0"> |
| <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.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">deriveType</a></span>​(<a href="../validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator, |
| <a href="../validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope, |
| <a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a> call)</code></th> |
| <td class="colLast"> |
| <div class="block">Derives the type of a call to this operator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <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><<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="#getParameterTypes(org.apache.calcite.rel.type.RelDataTypeFactory)">getParameterTypes</a></span>​(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <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="#getReturnType(org.apache.calcite.rel.type.RelDataTypeFactory)">getReturnType</a></span>​(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRollup()">getRollup</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets rollup aggregation function.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code><a href="../SqlSyntax.html" title="enum in org.apache.calcite.sql">SqlSyntax</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSyntax()">getSyntax</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the syntactic type of this operator, never null.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code><T> @Nullable T</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unwrap(java.lang.Class)">unwrap</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a><T> clazz)</code></th> |
| <td class="colLast"> |
| <div class="block">Finds an instance of an interface implemented by this object, |
| or returns null if this object does not support that interface.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class org.apache.calcite.sql.<a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.sql.SqlAggFunction"> |
| <!-- --> |
| </a><code><a href="../SqlAggFunction.html#allowsFilter()">allowsFilter</a>, <a href="../SqlAggFunction.html#allowsNullTreatment()">allowsNullTreatment</a>, <a href="../SqlAggFunction.html#getDistinctOptionality()">getDistinctOptionality</a>, <a href="../SqlAggFunction.html#isAggregator()">isAggregator</a>, <a href="../SqlAggFunction.html#isQuantifierAllowed()">isQuantifierAllowed</a>, <a href="../SqlAggFunction.html#requiresGroupOrder()">requiresGroupOrder</a>, <a href="../SqlAggFunction.html#requiresOrder()">requiresOrder</a>, <a href="../SqlAggFunction.html#requiresOver()">requiresOver</a>, <a href="../SqlAggFunction.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></code></div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class 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"> |
| <!-- --> |
| </a><code><a href="../SqlFunction.html#getFunctionType()">getFunctionType</a>, <a href="../SqlFunction.html#getNameAsId()">getNameAsId</a>, <a href="../SqlFunction.html#getParamNames()">getParamNames</a>, <a href="../SqlFunction.html#getParamTypes()">getParamTypes</a>, <a href="../SqlFunction.html#getSqlIdentifier()">getSqlIdentifier</a>, <a href="../SqlFunction.html#unparse(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">unparse</a>, <a href="../SqlFunction.html#validateQuantifier(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.SqlCall)">validateQuantifier</a></code></div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class org.apache.calcite.sql.<a href="../SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.sql.SqlOperator"> |
| <!-- --> |
| </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#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#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#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 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> |
| <div class="inheritedList"> |
| <h3>Methods inherited from interface org.apache.calcite.schema.<a href="../../schema/Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.schema.Wrapper"> |
| <!-- --> |
| </a><code><a href="../../schema/Wrapper.html#maybeUnwrap(java.lang.Class)">maybeUnwrap</a>, <a href="../../schema/Wrapper.html#unwrapOrThrow(java.lang.Class)">unwrapOrThrow</a></code></div> |
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| <h3><a id="<init>(java.lang.String)">SqlCountAggFunction</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="memberName">SqlCountAggFunction</span>​(<span class="arguments"><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> name)</span></div> |
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| <h3><a id="<init>(java.lang.String,org.apache.calcite.sql.type.SqlOperandTypeChecker)">SqlCountAggFunction</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="memberName">SqlCountAggFunction</span>​(<span class="arguments"><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> name, |
| <a href="../type/SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a> sqlOperandTypeChecker)</span></div> |
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| <h3><a id="getSyntax()">getSyntax</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../SqlSyntax.html" title="enum in org.apache.calcite.sql">SqlSyntax</a></span> <span class="memberName">getSyntax</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../SqlOperator.html#getSyntax()">SqlOperator</a></code></span></div> |
| <div class="block">Returns the syntactic type of this operator, never null.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlFunction.html#getSyntax()">getSyntax</a></code> in class <code><a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a></code></dd> |
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| <h3><a id="getParameterTypes(org.apache.calcite.rel.type.RelDataTypeFactory)">getParameterTypes</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <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><<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>></span> <span class="memberName">getParameterTypes</span>​(<span class="arguments"><a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</span></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlAggFunction.html#getParameterTypes(org.apache.calcite.rel.type.RelDataTypeFactory)">getParameterTypes</a></code> in class <code><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></dd> |
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| <h3><a id="getReturnType(org.apache.calcite.rel.type.RelDataTypeFactory)">getReturnType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="memberName">getReturnType</span>​(<span class="arguments"><a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</span></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlAggFunction.html#getReturnType(org.apache.calcite.rel.type.RelDataTypeFactory)">getReturnType</a></code> in class <code><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></dd> |
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| <h3><a id="deriveType(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlCall)">deriveType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="memberName">deriveType</span>​(<span class="arguments"><a href="../validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator, |
| <a href="../validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope, |
| <a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a> call)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <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> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><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></code> in class <code><a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></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><span class="returnLabel">Returns:</span></dt> |
| <dd>Type of call</dd> |
| </dl> |
| </section> |
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| <h3><a id="unwrap(java.lang.Class)">unwrap</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="typeParameters"><T></span> <span class="returnType">@Nullable T</span> <span class="memberName">unwrap</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a><T> clazz)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../schema/Wrapper.html#unwrap(java.lang.Class)">Wrapper</a></code></span></div> |
| <div class="block">Finds an instance of an interface implemented by this object, |
| or returns null if this object does not support that interface.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../schema/Wrapper.html#unwrap(java.lang.Class)">unwrap</a></code> in interface <code><a href="../../schema/Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlAggFunction.html#unwrap(java.lang.Class)">unwrap</a></code> in class <code><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></dd> |
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| <h3><a id="getRollup()">getRollup</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></span> <span class="memberName">getRollup</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../SqlAggFunction.html#getRollup()">SqlAggFunction</a></code></span></div> |
| <div class="block">Gets rollup aggregation function.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlAggFunction.html#getRollup()">getRollup</a></code> in class <code><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></dd> |
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