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Re: uuid_hash declaration

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Mel Flynn <mel.flynn+pgsql@xxxxxxxxxxxxxxxxxxxx> 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;

Regards,
-- 
dim

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