On Sat, Feb 28, 2004 at 09:23:48PM -0500, Alex J. Avriette wrote:
> On Sat, Feb 28, 2004 at 10:39:40AM -0500, Tom Lane wrote:
>
> > >> Have you tried diffing pg_dump output? It's not the greatest tool but
> > >> it's helpful.
> >
> > > Yes, I did. It was quite cumbersome. Especially since the OIDs and
> > > TOC entry numbers didn't matchup; and, since those didn't always match,
> > > the order of objects wasn't quite the same either. So, diff was
> > > throwing a lot of false positives at me.
> >
> > Yeah. CVS-tip pg_dump doesn't show OIDs by default, to make it easier
> > to use for purposes like this. The ordering issue is the bigger problem
> > though. I presume that the object creation history is different in the
> > two databases and so pg_dump's habit of sorting by OID isn't helpful.
>
> I recently had to figure out what was different between the "live" schema
> and the schema in cvs at work. This was a really painful process, and it
> occurred to me that it wouldn't be terribly hard to write a perl program
> to do it (I wound up using vim and diff). Is there interest in such a tool?
> I could probably have one written within a day or two.
I sometimes supplement vim/diff with xxdiff, meld, and winmerge.
Hope this helps someone,
--Tim Larson
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