NAME
ALTER FUNCTION - change the definition of a function
SYNOPSIS
ALTER FUNCTION name ( [ type [, ...] ] ) RENAME TO newname
DESCRIPTION
ALTER FUNCTION changes the definition of a function. The only functionality is to rename the function.
PARAMETERS
- name
-
The name (optionally schema-qualified) of an existing function.
- type
-
The data type of an argument of the function.
- newname
-
The new name of the function.
EXAMPLES
To rename the function sqrt for type integer to square_root:
ALTER FUNCTION sqrt(integer) RENAME TO square_root;
COMPATIBILITY
There is an ALTER FUNCTION statement in the SQL standard, but it does not provide the option to rename the function.
SEE ALSO
CREATE FUNCTION [create_function(7)], DROP FUNCTION [drop_function(l)]