Re: uuid_hash declaration

Dimitri Fontaine wrote:
> Mel Flynn <mel.flynn+pgsql@mailing.thruhere.net> writes:
>
> > Is there a way in the API to tell the backend that "uuid_hash function is
> > implemented by the foo__uuid_hash function" so that backwards compatibility
> > isn't broken?
>
> Yes.
>   http://www.postgresql.org/docs/8.3/interactive/xfunc-c.html#XFUNC-C-PGXS
>
> For example:
>
> CREATE OR REPLACE FUNCTION uuid_hash(uuid)
> RETURNS bool
> AS 'MODULE_PATHNAME', my_uuid_hash
> LANGUAGE 'C' IMMUTABLE STRICT;

I think the problem he is having is that we provide a C function named
uuid_hash, which conflicts with the one in FreeBSD's libc.

If that's the problem, my 2c is that uuid_hash is too generic a name to
export and we should change ours.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.