Interface ColumnFunction

All Superinterfaces:
Expression, Function, LeftOperand, OrderExpression, Projection, Sql
All Known Subinterfaces:
AggregateFunction, SingleRowFunction
All Known Implementing Classes:
Abs, Avg, Ceil, Concat, Count, CountAll, Floor, Length, Lower, Max, Min, Round, Substring, Sum, ToChar, ToNumber, Upper

public interface ColumnFunction extends Function, LeftOperand, OrderExpression
Defines a function that operates on a specific column (or no specific column).