Package org.apache.calcite.interpreter

Class AggregateNode.LongSum

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

    • Constructor Summary

      Constructors 
      Constructor Description
      LongSum()  

    • Method Summary

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

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • LongSum

        public LongSum()

    • Method Detail

      • init

        public long init()

      • add

        public long add​(long accumulator,
                long v)

      • merge

        public long merge​(long accumulator0,
                  long accumulator1)

      • result

        public long result​(long accumulator)