Re: BUG #15475: Views over CITEXT columns return no data

From: Paul Schaap <ps(at)ipggroup(dot)com>
To: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
Cc: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #15475: Views over CITEXT columns return no data
Date: 2018-11-02 00:30:17
Message-ID: 36CC8EE5-C6AB-475B-BC2D-D6BF39163D71@ipggroup.com
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Hi Andrew,

Bingo, set enable_parallel_hash=false; gets a correct result whereas set enable_parallel_hash=true; gets 0.

Yes I might have reversed some of the explains, my excuse its Friday and I went to bed late and am burnt out today :-)

CHEERS
Paul

> On 2 Nov 2018, at 11:07, Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> wrote:
>
>>>>>> "Paul" == Paul Schaap <ps(at)ipggroup(dot)com> writes:
>
> Paul> Hi Andrew,
> Paul> Here you go:
>
> This is looking like a bug in parallel hash. Do the queries all work if
> you do set enable_parallel_hash=false; ?
>
> (Going by the row counts in the explains, you got the first two "broken"
> and "working" ones backwards)
>
> --
> Andrew.

--

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