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DROP FUNCTION(7)			   SQL Commands 			 DROP FUNCTION(7)

NAME
       DROP FUNCTION - remove a user-defined function

SYNOPSIS
       DROP FUNCTION name ( [ type [, ...] ] ) [ CASCADE | RESTRICT ]

   INPUTS
       name   The name (optionally schema-qualified) of an existing function.

       type   The type of a parameter of the function.

       CASCADE
	      Automatically  drop objects that depend on the function (such as operators or trig-
	      gers).

       RESTRICT
	      Refuse to drop the function if there  are  any  dependent  objects.   This  is  the
	      default.

   OUTPUTS
       DROP FUNCTION
	      Message returned if the command completes successfully.

       WARNING: RemoveFunction: Function "name" ("types") does not exist
	      This message is given if the function specified does not exist in the current data-
	      base.

DESCRIPTION
       DROP FUNCTION will remove the definition of an existing function. To execute this  command
       the  user must be the owner of the function. The input argument types to the function must
       be specified, since several different functions may exist with the same name and different
       argument lists.

NOTES
       Refer to CREATE FUNCTION [create_function(7)] for information on creating functions.

EXAMPLES
       This command removes the square root function:

       DROP FUNCTION sqrt(integer);

COMPATIBILITY
       A DROP FUNCTION statement is defined in SQL99. One of its syntax forms is similar to Post-
       greSQL's.

SEE ALSO
       CREATE FUNCTION [create_function(7)]

SQL - Language Statements		    2002-11-22				 DROP FUNCTION(7)
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