Klasse Sum

Alle implementierten Schnittstellen:
Column, SQLFunction

public class Sum extends AggregateFunction
SQL99 Standard sum function.
Version:
$Id: Sum.java 1848281 2018-12-06 10:48:36Z tv $
  • Konstruktordetails

    • Sum

      public Sum(Column column)
      Construct an SUM function class with the column to sum over.
      Parameter:
      column - the Column to sum over.
    • Sum

      public Sum(String sqlExpression)
      Construct an SUM function class with an SQL expression to sum over.
      Parameter:
      sqlExpression - the SQL expression to sum over.
    • Sum

      public Sum(Column column, boolean distinct)
      Construct an SUM function class with the column to sum over and possibly a distinct modifier.
      Parameter:
      column - the Column to sum over.
      distinct - whether to count only over distinct values.
  • Methodendetails