Re: Add support for logging the current role

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Stephen Frost <sfrost(at)snowman(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Add support for logging the current role
Date: 2011-01-12 16:59:11
Message-ID: AANLkTinrykP50tMbvufBjkURA=Eh92rz127g3OukW5B0@mail.gmail.com
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On Wed, Jan 12, 2011 at 11:53 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> On Wed, Jan 12, 2011 at 11:00 AM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
>>> +1 for whatever the committer wants to commit. ;)
>
>> OK, done.  :-)
>
> Uh, did you actually stop to *think* about this patch?

You have a valid point here, but this isn't the most tactful way of putting it.

> What you have just committed puts a syscache lookup into the elog output
> path.  Quite aside from the likely performance hit, this will
> malfunction badly in any case where we're trying to log from an aborted
> transaction.
>
> Please revert and rethink.

I think it's going to take more than a rethink - I don't see any way
to salvage it. :-(

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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