From: Andrew Gierth <andrew@tao11.riddles.org.uk>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: pgsql-bugs@lists.postgresql.org, v.g.baranoff@gmail.com, Tom Lane <tgl@sss.pgh.pa.us>
Subject: Re: BUG #15336: Wrong cursor's bacward fetch results in select with ALL(subquery)
Date: Fri, 17 Aug 2018 15:38:41 +0100
Message-ID: <87efex2hd2.fsf@news-spur.riddles.org.uk> (raw)
In-Reply-To: <20180817140411.crhfn3machmctt7n@alvherre.pgsql>
References: <20180817140411.crhfn3machmctt7n@alvherre.pgsql>
>>>>> "Alvaro" == Alvaro Herrera <alvherre@2ndquadrant.com> writes:
>> I wonder if we have a contender here for the oldest reported bug in
>> PG history; while I haven't tested anything older than 9.5, the
>> incorrect logic seems to date back to the introduction of subqueries
>> in 6.something.
Alvaro> Hmm ..
Alvaro> 8.2 seems fine:
Hah. You're right; the bug is only 10 years old, not 20. It was
apparently introduced in 8.3 by commit c7ff7663e; before that, SubPlans
had a separate EState from the parent plan, so they didn't share the
parent plan's direction indicator.
--
Andrew (irc:RhodiumToad)
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To: pgsql-bugs@postgresql.org
Cc: andrew@tao11.riddles.org.uk, alvherre@2ndquadrant.com, tgl@sss.pgh.pa.us
Subject: Re: BUG #15336: Wrong cursor's bacward fetch results in select with ALL(subquery)
In-Reply-To: <87efex2hd2.fsf@news-spur.riddles.org.uk>
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