Class Window.RexWinAggCall

  • Enclosing class:
    Window

    public static class Window.RexWinAggCall
    extends RexCall
    A call to a windowed aggregate function.

    Belongs to a Window.Group.

    It's a bastard son of a RexCall; similar enough that it gets visited by a RexVisitor, but it also has some extra data members.

    • Field Detail

      • ordinal

        public final int ordinal
        Ordinal of this aggregate within its partition.
      • distinct

        public final boolean distinct
        Whether to eliminate duplicates before applying aggregate function.
      • ignoreNulls

        public final boolean ignoreNulls
        Whether to ignore nulls.
    • Constructor Detail

      • RexWinAggCall

        @Deprecated
        public RexWinAggCall​(SqlAggFunction aggFun,
                             RelDataType type,
                             java.util.List<RexNode> operands,
                             int ordinal,
                             boolean distinct)
        Deprecated.
      • RexWinAggCall

        public RexWinAggCall​(SqlAggFunction aggFun,
                             RelDataType type,
                             java.util.List<RexNode> operands,
                             int ordinal,
                             boolean distinct,
                             boolean ignoreNulls)
        Creates a RexWinAggCall.
        Parameters:
        aggFun - Aggregate function
        type - Result type
        operands - Operands to call
        ordinal - Ordinal within its partition
        distinct - Eliminate duplicates before applying aggregate function