ExprAggregateNode (Esper Common API Documentation)

All Superinterfaces:: ExprForge, ExprNode, ExprNodeRenderable, ExprValidator

All Known Implementing Classes:: ExprAggMultiFunctionCountMinSketchNode, ExprAggMultiFunctionLinearAccessNode, ExprAggMultiFunctionSortedMinMaxByNode, ExprAggregateNodeBase, ExprAvedevNode, ExprAvgNode, ExprCountEverNode, ExprCountNode, ExprFirstLastEverNode, ExprLeavingAggNode, ExprMedianNode, ExprMinMaxAggrNode, ExprNthAggNode, ExprPlugInAggNode, ExprPlugInMultiFunctionAggNode, ExprRateAggNode, ExprStddevNode, ExprSumNode

public interface ExprAggregateNode extends ExprForge, ExprNode

Base expression node that represents an aggregation function such as 'sum' or 'count'.

Method Summary

Modifier and Type

Method

Description

int

getColumn()

AggregationForgeFactory

getFactory()

ExprNode

getOptionalFilter()

ExprAggregateLocalGroupByDesc

getOptionalLocalGroupBy()

ExprNode[]

getPositionalParams()

boolean

isDistinct()

void

setColumn(int column)

void

validatePositionals(ExprValidationContext validationContext)

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprForge
evaluateCodegen, getEvaluationType, getExprEvaluator, getForgeConstantType, getForgeRenderable

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprNode
accept, accept, acceptChildnodes, addChildNode, addChildNodes, equalsNode, getChildNodes, getForge, getPrecedence, replaceUnlistedChildNode, setChildNode, setChildNodes

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprNodeRenderable
toEPL

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprValidator
validate

Method Details
- getFactory
  
  AggregationForgeFactory getFactory()
- isDistinct
  
  boolean isDistinct()
- getOptionalLocalGroupBy
  
  ExprAggregateLocalGroupByDesc getOptionalLocalGroupBy()
- validatePositionals
  
  void validatePositionals(ExprValidationContext validationContext) throws ExprValidationException
  
  Throws:
  
  ExprValidationException
- getPositionalParams
  
  ExprNode[] getPositionalParams()
- getOptionalFilter
  
  ExprNode getOptionalFilter()
- setColumn
  
  void setColumn(int column)
- getColumn
  
  int getColumn()