Removes a routine.
DROP ROUTINE [IF EXISTS] name ( [ [argmode] [argname] argtype [, ...] ] ) [CASCADE | RESTRICT]
DROP ROUTINE removes the definition of an existing routine, which can be an aggregate function, a normal function, or a procedure. Refer to DROP AGGREGATE, DROP FUNCTION, and DROP PROCEDURE for the description of the parameters, more examples, and further details.
To drop the routine
foo for type
DROP ROUTINE foo(integer);
This command will work independent of whether
foo is an aggregate, function, or procedure.
This command conforms to the SQL standard, with these Greenplum Database extensions:
The standard only allows one routine to be dropped per command.
IF EXISTS option.
The ability to specify argument modes and names.
Aggregate functions are an extension.
DROP AGGREGATE, DROP FUNCTION, DROP PROCEDURE, ALTER ROUTINE
Parent topic: SQL Commands