Re: Small Bug in GetConflictingVirtualXIDs
От | Simon Riggs |
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Тема | Re: Small Bug in GetConflictingVirtualXIDs |
Дата | |
Msg-id | 1261944283.18116.24.camel@ebony обсуждение исходный текст |
Ответ на | Small Bug in GetConflictingVirtualXIDs (Andres Freund <andres@anarazel.de>) |
Ответы |
Re: Small Bug in GetConflictingVirtualXIDs
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Список | pgsql-hackers |
On Sun, 2009-12-27 at 20:11 +0100, Andres Freund wrote: > On Tuesday 22 December 2009 11:42:30 Simon Riggs wrote: > > On Tue, 2009-12-22 at 03:19 +0100, Andres Freund wrote: > > > On Monday 21 December 2009 16:48:52 Simon Riggs wrote: > > > > Giving the drop database a snapshot is not the answer. I expect Andres > > > > to be able to fix this with a simple patch that would not effect the > > > > case of normal running. > > > > > > Actually its less simply than I had thought at first - I don't think the > > > code ever handled that correctly. > > > I might be wrong there, my knowledge of the involved code is a bit > > > sparse... The whole conflict resolution builds on the concept of waiting > > > for an VXid, but an idle backend does not have a valid vxid. Thats > > > correct, right? > > I don't see any mileage in making Startup process wait for an idle > > session, so no real reason to wait for others either. > So here is a small patch implementing that behaviour. OK, thanks. I have also written something, as mentioned. Will review. -- Simon Riggs www.2ndQuadrant.com
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