From: Andres Freund <andres@anarazel.de>
To: Todd A. Cook <tcook@blackducksoftware.com>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: pgsql-bugs@postgresql.org
Subject: Re: BUG #14932: SELECT DISTINCT val FROM table gets stuck in an infinite loop
Date: Mon, 27 Nov 2017 14:10:42 -0800
Message-ID: <20171127221041.mezzysc4zcfsqkyc@alap3.anarazel.de> (raw)
In-Reply-To: <7a22f496-92b5-d199-984e-183965918304@blackducksoftware.com>
References: <20171127185700.1470.20362@wrigleys.postgresql.org>
<fd924fd9-8f27-d945-04a9-57b503896107@2ndquadrant.com>
<7a22f496-92b5-d199-984e-183965918304@blackducksoftware.com>
Hi,
On 2017-11-27 15:59:37 -0500, Todd A. Cook wrote:
> COPY reproducer (val) FROM stdin;
> 2976219712004784288
> -6429122065899879392
> -7471109962990387136
> -7471109962990387136
> -2895470491222113184
> -4083509061952565472
> 1019481548263425664
> 4639248884787347648
> -6999443831165647744
> -4199917803455020480
> -4110530183001439680
How are these values generated? They awfully look like hash values
(~same lenght, full numerical range)...
I'm kinda neck deep in something else, but I'll try to have a look
afterwards.
Greetings,
Andres Freund
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To: pgsql-bugs@postgresql.org
Cc: andres@anarazel.de, tcook@blackducksoftware.com, tomas.vondra@2ndquadrant.com
Subject: Re: BUG #14932: SELECT DISTINCT val FROM table gets stuck in an infinite loop
In-Reply-To: <20171127221041.mezzysc4zcfsqkyc@alap3.anarazel.de>
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