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| <li>Summary: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.calcite.sql.fun</a></div> |
| <h1 title="Class SqlSingleValueAggFunction" class="title">Class SqlSingleValueAggFunction</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="../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.SqlSingleValueAggFunction</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <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> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">SqlSingleValueAggFunction</span> |
| <span class="extends-implements">extends <a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></span></div> |
| <div class="block"><code>SINGLE_VALUE</code> aggregate function returns the input value if there |
| is only one value in the input; Otherwise it triggers a run-time error.</div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.calcite.sql.SqlOperator">Fields inherited from class 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 ======== --> |
| <li> |
| <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(org.apache.calcite.rel.type.RelDataType)" class="member-name-link">SqlSingleValueAggFunction</a><wbr>(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</code></div> |
| <div class="col-last even-row-color"> </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><button id="method-summary-table-tab6" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab6', 3)" class="table-tab">Deprecated 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="#allowsFilter()" class="member-name-link">allowsFilter</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Whether this aggregate function allows a <code>FILTER (WHERE ...)</code> |
| clause.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../util/Optionality.html" title="enum in org.apache.calcite.util">Optionality</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getDistinctOptionality()" class="member-name-link">getDistinctOptionality</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Returns whether this aggregate function allows the <code>DISTINCT</code> |
| keyword.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<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="#getParameterTypes(org.apache.calcite.rel.type.RelDataTypeFactory)" class="member-name-link">getParameterTypes</a><wbr>(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getReturnType(org.apache.calcite.rel.type.RelDataTypeFactory)" class="member-name-link">getReturnType</a><wbr>(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getRollup()" class="member-name-link">getRollup</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Gets rollup aggregation function.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"><code><a href="#getType()" class="member-name-link">getType</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4 method-summary-table-tab6"> |
| <div class="block"><span class="deprecated-label">Deprecated.</span></div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><T> @Nullable T</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#unwrap(java.lang.Class)" class="member-name-link">unwrap</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><T> clazz)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <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> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.sql.SqlAggFunction">Methods inherited from class org.apache.calcite.sql.<a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></h3> |
| <code><a href="../SqlAggFunction.html#allowsNullTreatment()">allowsNullTreatment</a>, <a href="../SqlAggFunction.html#isAggregator()">isAggregator</a>, <a href="../SqlAggFunction.html#isPercentile()">isPercentile</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="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.sql.SqlFunction">Methods inherited from class org.apache.calcite.sql.<a href="../SqlFunction.html" title="class in org.apache.calcite.sql">SqlFunction</a></h3> |
| <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#getParamNames()">getParamNames</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#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="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.sql.SqlOperator">Methods inherited from class 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#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#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#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="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class 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> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.schema.Wrapper">Methods inherited from interface org.apache.calcite.schema.<a href="../../schema/Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></h3> |
| <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> |
| </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="<init>(org.apache.calcite.rel.type.RelDataType)"> |
| <h3>SqlSingleValueAggFunction</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">SqlSingleValueAggFunction</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</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="allowsFilter()"> |
| <h3>allowsFilter</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">allowsFilter</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="../SqlAggFunction.html#allowsFilter()">SqlAggFunction</a></code></span></div> |
| <div class="block">Whether this aggregate function allows a <code>FILTER (WHERE ...)</code> |
| clause.</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><a href="../SqlAggFunction.html#allowsFilter()">allowsFilter</a></code> in class <code><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getParameterTypes(org.apache.calcite.rel.type.RelDataTypeFactory)"> |
| <h3>getParameterTypes</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>></span> <span class="element-name">getParameterTypes</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</span></div> |
| <dl class="notes"> |
| <dt>Overrides:</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> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getReturnType(org.apache.calcite.rel.type.RelDataTypeFactory)"> |
| <h3>getReturnType</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="element-name">getReturnType</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</span></div> |
| <dl class="notes"> |
| <dt>Overrides:</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> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getType()"> |
| <h3>getType</h3> |
| <div class="member-signature"><span class="annotations"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Deprecated.html" title="class or interface in java.lang" class="external-link">@Deprecated</a> |
| </span><span class="modifiers">public</span> <span class="return-type"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="element-name">getType</span>()</div> |
| <div class="deprecation-block"><span class="deprecated-label">Deprecated.</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="unwrap(java.lang.Class)"> |
| <h3>unwrap</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="type-parameters"><T></span> <span class="return-type">@Nullable T</span> <span class="element-name">unwrap</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><T> clazz)</span></div> |
| <div class="block"><span class="descfrm-type-label">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 class="notes"> |
| <dt>Specified by:</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>Overrides:</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> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDistinctOptionality()"> |
| <h3>getDistinctOptionality</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../util/Optionality.html" title="enum in org.apache.calcite.util">Optionality</a></span> <span class="element-name">getDistinctOptionality</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="../SqlAggFunction.html#getDistinctOptionality()">SqlAggFunction</a></code></span></div> |
| <div class="block">Returns whether this aggregate function allows the <code>DISTINCT</code> |
| keyword. |
| |
| <p>The default implementation returns <a href="../../util/Optionality.html#OPTIONAL"><code>Optionality.OPTIONAL</code></a>, |
| which is appropriate for most aggregate functions, including <code>SUM</code> |
| and <code>COUNT</code>. |
| |
| <p>Some aggregate functions, for example <code>MIN</code>, produce the same |
| result with or without <code>DISTINCT</code>, and therefore return |
| <a href="../../util/Optionality.html#IGNORED"><code>Optionality.IGNORED</code></a> to indicate this. For such functions, |
| Calcite will probably remove <code>DISTINCT</code> while optimizing the query.</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><a href="../SqlAggFunction.html#getDistinctOptionality()">getDistinctOptionality</a></code> in class <code><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getRollup()"> |
| <h3>getRollup</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a></span> <span class="element-name">getRollup</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from class: <code><a href="../SqlAggFunction.html#getRollup()">SqlAggFunction</a></code></span></div> |
| <div class="block">Gets rollup aggregation function.</div> |
| <dl class="notes"> |
| <dt>Overrides:</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> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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