Collected from the PG bugs email list.
Body of first available message related to this bug follows.
On Wed, Nov 13, 2019 at 10:42:32AM +0000, PG Bug reporting form wrote: >The following bug has been logged on the website: > >Bug reference: 16111 >Logged by: Tuomas Leikola >Email address: (redacted) >PostgreSQL version: 12.0 >Operating system: windows, linux >Description: > >I’ve been trying to cook up some kind of online reorganizer, which requires >looking at rows’ physical locations and rearranging those that are >suboptimal. In this endeavor, I stumbled on what appears to be a compiler >bug introduced with multivariate statistics. > Yeah, this is a bug in estimate_multivariate_ndistinct, which fails to ignore system attributes :-( The attached patch fixes it, but unfortunatly we've missed this round of minor releases :-( I'll get it pushed in a couple of days. Thanks for the report and the reproducer, very helpful! regards -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
|2019-11-13 13:41:14+00||Tomas Vondra||Re: BUG #16111: Unexpected query compilation error =?utf-8?B?4oCc?= =?utf-8?Q?negative_bitmapset_member_not_allowed=E2=80=9D?=|
|2019-11-16 01:36:42+00||Tomas Vondra||Re: BUG #16111: Unexpected query compilation error =?utf-8?B?4oCc?= =?utf-8?Q?negative_bitmapset_member_not_allowed=E2=80=9D?=|
|2019-12-05 00:38:23+00||Justin Pryzby||Re: BUG #16111: Unexpected =?utf-8?Q?query?= =?utf-8?Q?_compilation_error_=E2=80=9Cnegative_bitmapset_member_not_allow?= =?utf-8?B?ZWTigJ0=?=|