Re: [sqlsmith] Crash in mcv_get_match_bitmap

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>
To: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Andreas Seltenreich <seltenreich@gmx.de>, pgsql-hackers@lists.postgresql.org, Tomas Vondra <tomas.vondra@postgresql.org>
Date: 2019-07-11T00:55:01Z
Lists: pgsql-hackers
On Wed, Jul 10, 2019 at 11:26:09PM +0200, Tomas Vondra wrote:
> Yeah, that's a bug. Will fix (not sure how yet).

Please note that I have added an open item for it.
--
Michael

Commits

  1. Use column collation for extended statistics

  2. Rework examine_opclause_expression to use varonleft

  3. Fix handling of NULLs in MCV items and constants

  4. Fix handling of opclauses in extended statistics

  5. Remove unnecessary TYPECACHE_GT_OPR lookup

  6. Simplify bitmap updates in multivariate MCV code

  7. Make pg_statistic and related code account more honestly for collations.