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Re: FW: Berkeley DB 4.0 release

From: Garrett Rooney <rooneg_at_electricjellyfish.net>
Date: 2001-12-05 23:00:18 CET

On Wed, Dec 05, 2001 at 04:49:30PM -0500, Mark Benedetto King wrote:
> > > had a chance to look at it yet wrt compatibility issues with svn?
> >
> > I have built subversion against db-4.0.14. I used the following patch,
> > which removes support for db-3.3.11. Other than the version number,
> > the change that affects subversion is the txn_XXX to DB_TXN->txn_XXX
> > change, and since most of these provide a compatibility function, the
> > minimal change is just txn_checkpoint.
>
> Can we hide this in a macro? Something like
>
> #if SVN_FS_WANT_DB_MAJOR > 3
> #define BDB_TXN_CHECKPOINT(e,x,y,z) (e)->txn_checkpoint(e,x,y,z)
> #else
> #define BDB_TXN_CHECKPOINT(e,x,y,z) txn_checkpoint(e,x,y,z)
> #endif

the question isn't 'can we', the question is 'should we'.

IMO, supporting multiple versions of such a complicated and important
library is just a bad idea. the issue isn't the interface change, the
issue is potential bugs in the older version.

i would say either switch or don't, but don't support both.

-garrett

-- 
garrett rooney                     Unix was not designed to stop you from 
rooneg@electricjellyfish.net       doing stupid things, because that would  
http://electricjellyfish.net/      stop you from doing clever things.
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Received on Sat Oct 21 14:36:51 2006

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