Well, even though without true two-phase commit, for now that will do, 
thanks.

And also thanks for mentioning xact, I wasn't aware of that!

Cheers,
Leandro

On Saturday, July 6, 2013 10:41:11 AM UTC-3, Christophe Pettus wrote:
>
>
> On Jul 6, 2013, at 2:54 PM, Leandro Boscariol wrote: 
>
> > How can I do a transaction management in both databases at the same 
> time? Is that even possible? 
>
> You can certainly nest the transaction context managers (atomic() in 1.6+, 
> or you can use xact() in 1.5 and earlier): 
>
>    with xact(using=DATABASE1): 
>       with xact(using=DATABASE2): 
>          things 
>
> If an exception occurs, it will rollback both; if it exits normally, it 
> will commit both.  Note that this isn't true two-phase commit; it's 
> perfectly possible for the inner transaction to successfully commit but the 
> outer one to fail.  If you want proper two-phase commit, you'll (at the 
> moment, at least) have to roll your own. 
>
> -- 
> -- Christophe Pettus 
>    x...@thebuild.com <javascript:> 
>
>

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