ALTER FUNCTION(7) SQL Commands ALTER FUNCTION(7) NAME ALTER FUNCTION - SYNOPSIS ALTER FUNCTION name ( [ type [, ...] ] ) RENAME TO newname DESCRIPTION ALTER FUNCTION PARAMETERS name type newname EXAMPLES sqrt integer square_root ALTER FUNCTION sqrt(integer) RENAME TO square_root; COMPATIBILITY SQL ALTER FUNCTION SEE ALSO CREATE FUNCTION [create_function(7)], DROP FUNCTION [drop_function(l)] Postgresql man man https://github.com/man-pages-zh/manpages- zh SQL - Language Statements 2003-11-02 ALTER FUNCTION(7)