Re: SSI atomic commit
От | Heikki Linnakangas |
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Тема | Re: SSI atomic commit |
Дата | |
Msg-id | 4E16269C.1000503@enterprisedb.com обсуждение исходный текст |
Ответ на | Re: SSI atomic commit (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>) |
Ответы |
Re: SSI atomic commit
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Список | pgsql-hackers |
On 08.07.2011 00:33, Heikki Linnakangas wrote: > On 08.07.2011 00:21, Dan Ports wrote: >> We should also apply the attached patch, which corrects a minor issue >> with the conditions for flagging transactions that could potentially >> make a snapshot unsafe. >> >> There's a small window wherein a transaction is committed but not yet >> on the finished list, and we shouldn't flag it as a potential conflict >> if so. We can also skip adding a doomed transaction to the list of >> possible conflicts because we know it won't commit. > > Hmm, it's now also possible for the transaction to be prepared, and > already visible to others, but not yet flagged as committed. Shouldn't > those be included too? Oh, never mind, I read the test backwards. They are included, as the patch stands. I'll commit this too.. -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com
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