Re: segfault on query

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: alex <alex(dot)pgsql(at)kerkhove(dot)net>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: segfault on query
Date: 2014-12-20 16:50:08
Message-ID: 3657.1419094208@sss.pgh.pa.us
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alex <alex(dot)pgsql(at)kerkhove(dot)net> writes:
> I'd like to report a bug. I'm running pgsql-9.3.5 on debian wheezy
> (amd64, up2date). Latest pgsql binary from pgdg wheezy repo.

The given script doesn't crash for me on 9.3 branch tip; that and the
fact that you don't see it on 9.4.0 suggests strongly that it's already
been fixed post-9.3.5. Given the query structure I'd bet that you need
this patch:

http://git.postgresql.org/gitweb/?p=postgresql.git&a=commitdiff&h=b2b95de61e2e1c4647fa902c3b946109c55451c4

We're overdue for back-branch bugfix releases, but with the holiday
season now in full swing, nothing's likely to happen till mid-January
at the earliest. Perhaps you can apply the patch and build your own
version meanwhile.

regards, tom lane

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