Hello,
I've moved from Linux to FreeBSD. I've used uuid-ossp. Now I need to
aply patch to make it work under FreeBSD. This is rather dirty hack.
So I need to replace it once and for all with uuid-freebsd module. But
because in my database I use uuid type and uuid_* functions is not
easy:
test_uuid=# \d test
Table "public.test"
Column | Type | Modifiers
--------+------+-------------------------------------
id | uuid | not null default uuid_generate_v4()
test_uuid=# drop extension "uuid-ossp";
ERROR: cannot drop extension uuid-ossp because other objects depend on it
DETAIL: default for table test column id depends on function uuid_generate_v4()
HINT: Use DROP ... CASCADE to drop the dependent objects too.
test_uuid=# create extension "uuid-freebsd";
ERROR: function "uuid_nil" already exists with same argument types
test_uuid=#
I can do this:
test_uuid=# CREATE OR REPLACE FUNCTION uuid_generate_v4()
RETURNS uuid
AS '/usr/local/lib/postgresql/uuid-freebsd.so', 'uuid_generate_v4'
VOLATILE STRICT LANGUAGE C;
CREATE FUNCTION
But THIS is now dirty hack - extension uuid-ossp is still there
(according to \dx) and I use functions from other, unregistered
extension.
I think, that I need do some low level hacking on pg_catalog. Any
hints how to do it cleanly (eq. replace functions, drop uuid-ossp and
add uuid-freebsd).
--
Piotr Gasidło
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