Re: pg_dump and dependencies and --section ... it's a mess

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: pg_dump and dependencies and --section ... it's a mess
Date: 2012-06-21 23:43:08
Message-ID: 24615.1340322188@sss.pgh.pa.us
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Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> On 06/21/2012 06:25 PM, Tom Lane wrote:
>> Hm, I guess I've forgotten that one?

> See <http://archives.postgresql.org/pgsql-hackers/2012-01/msg00561.php>

I didn't understand that then, and I still don't. The ALTER TABLE
CLUSTER might need exclusive lock, but it's not going to hold the lock
long enough to be an issue. I could see that there's a problem with
identify_locking_dependencies believing that two CONSTRAINT items
conflict (do they really?) but not convinced the CLUSTER aspect has
anything to do with it.

regards, tom lane

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