DROP FUNCTION IF EXISTS st_area(geography); -- this one changed to use default parameters
DROP FUNCTION IF EXISTS st_asgml(geometry); -- changed to use default args
DROP FUNCTION IF EXISTS st_asgml(geometry, int4); -- changed to use default args
+DROP FUNCTION IF EXISTS st_asgml(int4, geometry); -- changed to use default args
DROP FUNCTION IF EXISTS st_asgml(int4, geometry, int4); -- changed to use default args
DROP FUNCTION IF EXISTS st_asgml(int4, geometry, int4,int4); -- changed to use default args
DROP FUNCTION IF EXISTS st_asgml(geography); -- changed to use default args