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From: Christoph Haller <[email protected]>
To: Richard Huxton <[email protected]>
Cc: [email protected]
Subject: Re: Automatic compat checking? (was 7.4 compatibility question)
Date: Thu, 23 Oct 2003 11:01:16 METDST
Message-ID: <200310230901.LAA01054@rodos> (raw)
In-Reply-To: <[email protected]>

> 
> On Wednesday 22 October 2003 07:37, Neil Conway wrote:
> > The second audience is the people who are really interested in exactly
> > what has changed between the new release of PostgreSQL and the previous
> > release series. It is important that we make it easy for an admin
> > planning a PostgreSQL upgrade at a fairly large site to be able to see
> > what changes in PostgreSQL have been made, and what changes will be
> > necessary in their own applications. 
> 
> Something I was pondering the other day was whether a pg_compat_chk utility 
> would be practical/desirable. You run it against your existing database / 
> schema dump and it prints a set of warnings:
> 
> Old version = 7.2.1
> New version = 7.4.0
> 
> Warning: schema support introduced (v7.3)
>   all objects will be placed in the default schema
> Failure: DEFAULT 'now' not supported (v7.4)
>   table1.column2
>   table2.column3
> Notice: timestamp now holds milliseconds by default (v7.3)
>   tableX.whatever
> 
> My main concern would be that a 90% solution might be worse than nothing at 
> all.
> Incidentally, this is not idle speculation, but something I might well have 
> time to stick in gborg during the 7.5 devt cycle.
> 
> -- 
>   Richard Huxton
>   Archonet Ltd
> 
A pg_compat_chk utility sounds great. 
No idea, if this is practical, but it's desirable - at least to me. 

Regards, Christoph 

PS I'm surprised no one else replied. 

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