| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Jesper Krogh <jesper(at)krogh(dot)cc>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Magnus Hagander <magnus(at)hagander(dot)net>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pg_migrator to /contrib in a later 9.0 beta |
| Date: | 2010-05-06 13:06:26 |
| Message-ID: | 201005061306.o46D6Qh29357@momjian.us |
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| Lists: | pgsql-hackers |
Bruce Momjian wrote:
> > The database (of a reasonable size) is useless until statistics is
> > available.
> >
> > I guess it is because pg_dump/restore doesn't do it either.
>
> Yeah, the statistics are part of the system tables, and system tables
> are fully handled by pg_dumpall --schema-only (except for statistics).
> There might be changes in the system table statistics format that would
> break if pg_migrator tried to migrate the statistics. Right now
> pg_migrator is immune from any system table changes, and I would like to
> keep it that way.
>
> And if pg_migrator ran analyze itself, it would greatly increase its
> great migration times!
Forgot the :-).
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
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