Re: BUG #15577: Query returns different results when executed multiple times

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
Cc: Bartosz Polnik <bartoszpolnik(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org>
Subject: Re: BUG #15577: Query returns different results when executed multiple times
Date: 2019-01-08 00:47:56
Message-ID: CAKJS1f_-bU1rMby_qYXOvyAf9Mz8JEojA2tat1iU7mhdrySYoA@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-bugs

On Tue, 8 Jan 2019 at 13:43, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> It's as if it thought it was executing a semi-join.

EXPLAIN VERBOSE would show the inner_unique flag. If that's set it
would act as a semi-join.

--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

In response to

Responses

Browse pgsql-bugs by date

  From Date Subject
Next Message Thomas Munro 2019-01-08 01:29:41 Re: BUG #15577: Query returns different results when executed multiple times
Previous Message Thomas Munro 2019-01-08 00:42:45 Re: BUG #15577: Query returns different results when executed multiple times