| From: | Sergei Kornilov <sk(at)zsrv(dot)org> |
|---|---|
| To: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com>, "a(dot)kuzmenkov(at)postgrespro(dot)ru" <a(dot)kuzmenkov(at)postgrespro(dot)ru>, "pg(at)bowt(dot)ie" <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 12:28:58 |
| Message-ID: | 35112691542025738@sas1-633109cb7707.qloud-c.yandex.net |
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| Lists: | pgsql-hackers |
Hello
Last published patch index-skip-fallback-v2 applied and builds cleanly.
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.
Also i noticed two TODO in documentation.
regards, Sergei
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