Package org.apache.calcite.interpreter

Class AggregateNode.IntSum

  • Enclosing class:
    AggregateNode
    public static class AggregateNode.IntSum
extends java.lang.Object
    Implementation of SUM over INTEGER values as a user-defined aggregate.

    • Constructor Summary

      Constructors 
      Constructor Description
      IntSum()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int add​(int accumulator, int v)  
      int init()  
      int merge​(int accumulator0, int accumulator1)  
      int result​(int accumulator)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • IntSum

        public IntSum()

    • Method Detail

      • init

        public int init()

      • add

        public int add​(int accumulator,
               int v)

      • merge

        public int merge​(int accumulator0,
                 int accumulator1)

      • result

        public int result​(int accumulator)