From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Rick Otten <rottenwindfish@gmail.com>
Cc: ronan.dunklau@dalibo.com, PostgreSQL mailing lists <pgsql-bugs@postgresql.org>
Cc: Amit Kapila <amit.kapila16@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Subject: Re: your mail
Date: Tue, 08 Aug 2017 17:12:14 -0400
Message-ID: <17591.1502226734@sss.pgh.pa.us> (raw)
In-Reply-To: <20170808201838.vt5lyujd3fvgtxyq@alap3.anarazel.de>
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Andres Freund <andres@anarazel.de> writes:
> On 2017-08-08 16:15:15 -0400, Tom Lane wrote:
>> I don't see much of a way to do that in the "typical" case where
>> the library load happens as a result of a SQL command. You can't
>> just say "oh, we're not in a transaction" and then later "wait,
>> yes we are".
> Transaction seems hard, but setting CurrentMemoryContext = NULL during
> library load seems quite possible. And that'll cause a lot of code that
> assumes an in-progress transaction to fail.
And it would cause a lot of code that *doesn't* assume that to fail,
too. That has basically nothing to do with not being in a transaction,
so I don't think it would be helpful here.
regards, tom lane
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