public class ExprMedianNode extends ExprAggregateNodeBase
Constructor and Description |
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ExprMedianNode(boolean distinct,
boolean hasFilter)
Ctor.
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Modifier and Type | Method and Description |
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boolean |
isHasFilter() |
AggregationMethodFactory |
validateAggregationChild(ExprValidationContext validationContext)
Gives the aggregation node a chance to validate the sub-expression types.
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equalsNode, evaluate, getExprEvaluator, getFactory, getPrecedence, getType, isConstantResult, isDistinct, setAggregationResultFuture, toPrecedenceFreeEPL, validate, validateFilter
accept, accept, acceptChildnodes, addChildNode, addChildNodes, addChildNodeToFront, getChildNodes, replaceUnlistedChildNode, setChildNode, setChildNodes, toEPL
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
accept, accept, acceptChildnodes, addChildNode, addChildNodes, getChildNodes, replaceUnlistedChildNode, setChildNode, setChildNodes, toEPL
public ExprMedianNode(boolean distinct, boolean hasFilter)
distinct
- - flag indicating unique or non-unique value aggregationpublic AggregationMethodFactory validateAggregationChild(ExprValidationContext validationContext) throws ExprValidationException
ExprAggregateNodeBase
validationContext
- validation informationExprValidationException
- when expression validation failedpublic boolean isHasFilter()