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Re: Duplicate object names in GRANT

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gavin Sherry <swm(at)linuxworld(dot)com(dot)au>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Duplicate object names in GRANT
Date: 2005-07-27 04:41:26
Message-ID: 21741.1122439286@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Gavin Sherry <swm(at)linuxworld(dot)com(dot)au> writes:
> I ran across this yesterday on HEAD:

> template1=# grant select on foo, foo to swm;
> ERROR:  tuple already updated by self

Seems to fail similarly in every version back to 7.2; probably further,
but that's all I have running at the moment.

> We could do away with the error by producing a unique list of object names
> -- but that would impose an extra cost on the common case.

CommandCounterIncrement in the GRANT loop would be easier, likely.
I'm having a hard time getting excited about it though...

			regards, tom lane

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