Re: Pg_upgrade and toast tables bug discovered
От | Alvaro Herrera |
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Тема | Re: Pg_upgrade and toast tables bug discovered |
Дата | |
Msg-id | 20140711041839.GY6390@eldon.alvh.no-ip.org обсуждение исходный текст |
Ответ на | Re: Pg_upgrade and toast tables bug discovered (Bruce Momjian <bruce@momjian.us>) |
Ответы |
Re: Pg_upgrade and toast tables bug discovered
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Список | pgsql-hackers |
Bruce Momjian wrote: > On Thu, Jul 10, 2014 at 06:38:26PM -0400, Bruce Momjian wrote: > > I have thought some more on this. I thought I would need to open > > pg_class in C and do complex backend stuff, but I now realize I can do > > it from libpq, and just call ALTER TABLE and I think that always > > auto-checks if a TOAST table is needed. All I have to do is query > > pg_class from libpq, then construct ALTER TABLE commands for each item, > > and it will optionally create the TOAST table if needed. I just have to > > use a no-op ALTER TABLE command, like SET STATISTICS. > > Attached is the backend part of the patch. I will work on the > pg_upgrade/libpq/ALTER TABLE part later. Uh, why does this need to be in ALTER TABLE? Can't this be part of table creation done by pg_dump? -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
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