Re: Comparing database schema's

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: fkurzawa(at)topazsoftware(dot)com
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: Comparing database schema's
Date: 2004-08-03 01:15:23
Message-ID: 17277.1091495723@sss.pgh.pa.us
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Frank Kurzawa <fkurzawa(at)topazsoftware(dot)com> writes:
> How are people doing automated comparisons of schemas in different databases?

> I've experimented some with 'pg_dump -s' to do this: Do a schema dump
> on the two databases and a diff. But due to myriad small differences
> (order of creation of tables, constraints, etc.) it is very difficult
> to get a usable diff without engaging in massive massage of the dump
> output, including dumping a table at a time.

FWIW, some attention has been paid to this issue recently. I think CVS
tip pg_dump is more useful for this task than existing releases. Don't
suppose you'd want to try it out?

regards, tom lane

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