Package org.apache.flink.table.planner.functions.aggfunctions

Class Sum0AggFunction

java.lang.Object
org.apache.flink.table.functions.UserDefinedFunction
org.apache.flink.table.functions.DeclarativeAggregateFunction
org.apache.flink.table.planner.functions.aggfunctions.Sum0AggFunction
All Implemented Interfaces:
Serializable, org.apache.flink.table.functions.FunctionDefinition
Direct Known Subclasses:
Sum0AggFunction.ByteSum0AggFunction, Sum0AggFunction.DecimalSum0AggFunction, Sum0AggFunction.DoubleSum0AggFunction, Sum0AggFunction.FloatSum0AggFunction, Sum0AggFunction.IntSum0AggFunction, Sum0AggFunction.LongSum0AggFunction, Sum0AggFunction.ShortSum0AggFunction
public abstract class Sum0AggFunction extends org.apache.flink.table.functions.DeclarativeAggregateFunction
built-in sum0 aggregate function.
See Also:

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    Sum0AggFunction.ByteSum0AggFunction
    Built-in Byte Sum0 aggregate function.
    static class 
    Sum0AggFunction.DecimalSum0AggFunction
    Built-in Decimal Sum0 aggregate function.
    static class 
    Sum0AggFunction.DoubleSum0AggFunction
    Built-in Double Sum0 aggregate function.
    static class 
    Sum0AggFunction.FloatSum0AggFunction
    Built-in Float Sum0 aggregate function.
    static class 
    Sum0AggFunction.IntSum0AggFunction
    Built-in Int Sum0 aggregate function.
    static class 
    Sum0AggFunction.LongSum0AggFunction
    Built-in Long Sum0 aggregate function.
    static class 
    Sum0AggFunction.ShortSum0AggFunction
    Built-in Short Sum0 aggregate function.

  • Constructor Summary

    Constructors
    Constructor
    Description
    Sum0AggFunction()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.flink.table.expressions.Expression[]
    accumulateExpressions()
     
    protected org.apache.flink.table.expressions.UnresolvedCallExpression
    adjustedMinus(org.apache.flink.table.expressions.UnresolvedReferenceExpression arg1, org.apache.flink.table.expressions.UnresolvedReferenceExpression arg2)
     
    protected org.apache.flink.table.expressions.UnresolvedCallExpression
    adjustedPlus(org.apache.flink.table.expressions.UnresolvedReferenceExpression arg1, org.apache.flink.table.expressions.UnresolvedReferenceExpression arg2)
     
    org.apache.flink.table.expressions.UnresolvedReferenceExpression[]
    aggBufferAttributes()
     
    org.apache.flink.table.types.DataType[]
    getAggBufferTypes()
     
    org.apache.flink.table.expressions.Expression
    getValueExpression()
     
    org.apache.flink.table.expressions.Expression[]
    mergeExpressions()
     
    int
    operandCount()
     
    org.apache.flink.table.expressions.Expression[]
    retractExpressions()
     

    Methods inherited from class org.apache.flink.table.functions.DeclarativeAggregateFunction

    getKind, getResultType, getTypeInference, initialValuesExpressions, mergeOperand, mergeOperands, operand, operands

    Methods inherited from class org.apache.flink.table.functions.UserDefinedFunction

    close, functionIdentifier, open, toString

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    Methods inherited from interface org.apache.flink.table.functions.FunctionDefinition

    getRequirements, isDeterministic, supportsConstantFolding

  • Constructor Details

    • Sum0AggFunction

      public Sum0AggFunction()

  • Method Details

    • operandCount

      public int operandCount()
      Specified by:
      operandCount in class org.apache.flink.table.functions.DeclarativeAggregateFunction

    • aggBufferAttributes

      public org.apache.flink.table.expressions.UnresolvedReferenceExpression[] aggBufferAttributes()
      Specified by:
      aggBufferAttributes in class org.apache.flink.table.functions.DeclarativeAggregateFunction

    • getAggBufferTypes

      public org.apache.flink.table.types.DataType[] getAggBufferTypes()
      Specified by:
      getAggBufferTypes in class org.apache.flink.table.functions.DeclarativeAggregateFunction

    • accumulateExpressions

      public org.apache.flink.table.expressions.Expression[] accumulateExpressions()
      Specified by:
      accumulateExpressions in class org.apache.flink.table.functions.DeclarativeAggregateFunction

    • retractExpressions

      public org.apache.flink.table.expressions.Expression[] retractExpressions()
      Specified by:
      retractExpressions in class org.apache.flink.table.functions.DeclarativeAggregateFunction

    • mergeExpressions

      public org.apache.flink.table.expressions.Expression[] mergeExpressions()
      Specified by:
      mergeExpressions in class org.apache.flink.table.functions.DeclarativeAggregateFunction

    • getValueExpression

      public org.apache.flink.table.expressions.Expression getValueExpression()
      Specified by:
      getValueExpression in class org.apache.flink.table.functions.DeclarativeAggregateFunction

    • adjustedPlus

      protected org.apache.flink.table.expressions.UnresolvedCallExpression adjustedPlus(org.apache.flink.table.expressions.UnresolvedReferenceExpression arg1, org.apache.flink.table.expressions.UnresolvedReferenceExpression arg2)

    • adjustedMinus

      protected org.apache.flink.table.expressions.UnresolvedCallExpression adjustedMinus(org.apache.flink.table.expressions.UnresolvedReferenceExpression arg1, org.apache.flink.table.expressions.UnresolvedReferenceExpression arg2)