Re: [GENERAL] pg_migrator not setting values of sequences?

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM>, Tilmann Singer <tils(at)tils(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [GENERAL] pg_migrator not setting values of sequences?
Date: 2009-07-16 04:09:22
Message-ID: 200907160409.n6G49M909728@momjian.us
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Tom Lane wrote:
> Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM> writes:
> > I think you don't need transfer sequence table, because pg_dump should
> > create DDL command (CREATE SEQUENCE) which should create new nice
> > sequence relation.
>
> Yeah, but pg_dump is doing a schema-only dump so it doesn't transfer the
> current state of the sequence.
>
> The most effective solution might be to revert the change in pg_migrator
> and instead have pg_dump interpret --binary-upgrade --schema-only to
> include the data for sequences. It seems ugly as sin though :-(

Uh, how is this going to behave in 8.5? Do we still dump sequences, and
if so, aren't we heading down the road of dumping stuff only because a
previous release needed it?

Can we run a query that just shifts columns around in the sequence heap
files we migrated?

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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