Re: [ADMIN] reindexdb hangs
От | Alvaro Herrera |
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Тема | Re: [ADMIN] reindexdb hangs |
Дата | |
Msg-id | 20070830164151.GS5872@alvh.no-ip.org обсуждение исходный текст |
Ответ на | Re: [ADMIN] reindexdb hangs (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: [ADMIN] reindexdb hangs
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Список | pgsql-hackers |
Tom Lane wrote: > Alvaro Herrera <alvherre@commandprompt.com> writes: > > Tom Lane wrote: > >> Yeah, an extra fetch of the pg_class row doesn't seem all that nice. > >> I think you'd want to check it in approximately the same two places > >> where pg_class_ownercheck() is applied (one for the 1-xact and one for > >> the multi-xact path). > > > Actually, the 1-xact path does not need it, because the check is already > > elsewhere. > > Yeah, but if you do it there it's one added comparison > (isOtherTempNamespace is very cheap, and you can get the namespace > cheaply from the already-open rel). This way you need an extra syscache > lookup because you are insisting on doing the check in a place where you > don't have easy access to the pg_class row. Doesn't seem better. I'm not sure I follow. Are you suggesting adding a new function, similar to pg_class_ownercheck, which additionally checks for temp-ness? -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.
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