| From: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com> |
|---|---|
| To: | sk(at)zsrv(dot)org |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com>, a(dot)kuzmenkov(at)postgrespro(dot)ru, pg(at)bowt(dot)ie, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Bhushan Uparkar <bhushan(dot)uparkar(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
| Subject: | Re: Index Skip Scan |
| Date: | 2018-11-12 12:55:28 |
| Message-ID: | CA+q6zcXAZTPKe4q-AhPzNjRmBNO2divKbDuuco4ROiXiUgn=sA@mail.gmail.com |
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| Lists: | pgsql-hackers |
> On Mon, 12 Nov 2018 at 13:29, Sergei Kornilov <sk(at)zsrv(dot)org> wrote:
>
> I found reproducible crash due assert failure: FailedAssertion("!(numCols > 0)", File: "pathnode.c", Line: 2795)
> > create table tablename (i int primary key);
> > select distinct i from tablename where i = 1;
> Query is obviously strange, but this is bug.
Wow, thanks a lot! I can reproduce it too, will fix it.
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