Re: Some 8.4 changes needed according to pg_migrator testing
От | Alvaro Herrera |
---|---|
Тема | Re: Some 8.4 changes needed according to pg_migrator testing |
Дата | |
Msg-id | 20090507161801.GG3026@alvh.no-ip.org обсуждение исходный текст |
Ответ на | Some 8.4 changes needed according to pg_migrator testing (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Some 8.4 changes needed according to pg_migrator testing
|
Список | pgsql-hackers |
Tom Lane wrote: > 2. There seem to be some corner cases where creating a table in the new > database will not create a toast table even though there was one in the > previous instance. (I'm not 100% convinced that this can happen if we > create and then drop dropped columns, for instance ... but I'm not > convinced it can't happen, either.) If there is a toast table in the > old database then pg_migrator must bring it over because it might > possibly contain live data. However, as toasting.c is presently coded > there is no way to force it to create a toast table. I think we should > change AlterTableCreateToastTable to add a "bool force" parameter. > Alternatively we could add a separate entry point, but the option seems > a bit cleaner. Hmm, what about toast reloptions? They are not a problem now of course, but could be in a 8.4->8.5 migration. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.
В списке pgsql-hackers по дате отправления: