From: | Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Joel Jacobson <joel(at)gluefinance(dot)com>, Andreas Karlsson <andreas(at)proxel(dot)se>, Robert Haas <robertmhaas(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>, Jim Nasby <jim(at)nasby(dot)net>, Herrera Alvaro <alvherre(at)commandprompt(dot)com>, pgsql-hackers Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Bug in pg_describe_object, patch v2 |
Date: | 2011-01-17 21:07:45 |
Message-ID: | m2ei8b6xy6.fsf@2ndQuadrant.fr |
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Lists: | pgsql-hackers |
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> Joel Jacobson <joel(at)gluefinance(dot)com> writes:
>> a) pg_describe_object should always include the schema in the name,
>> even for object in public and pg_catalog.
>
> I knew you were going to demand that next, as soon as you figured out
> that it was an obstacle for using pg_describe_object output as a
> globally unique identifier. But I'm going to reply, once again, that
> pg_describe_object is not meant to guarantee that and we're not going to
> make it so.
And it's easy to pretend it's already coded this way if you're motivated
enough. Just find a schema name that's not already existing:
dim=# set search_path to public, utils;
SET
dim=# select pg_describe_object('pg_proc'::regclass, 16602, 0);
pg_describe_object
---------------------------------------------------------------
function unaccent_lexize(internal,internal,internal,internal)
(1 row)
dim=# begin; create schema dummy; set local search_path to 'dummy'; select pg_describe_object('pg_proc'::regclass, 16602, 0); rollback;
BEGIN
CREATE SCHEMA
SET
pg_describe_object
---------------------------------------------------------------------
function utils.unaccent_lexize(internal,internal,internal,internal)
(1 row)
ROLLBACK
Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
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