[jifty-devel] JDBI transactions

Ruslan Zakirov ruslan.zakirov at gmail.com
Thu Mar 15 08:23:02 EDT 2007

On 3/13/07, Andrew Sterling Hanenkamp <andrew.hanenkamp at boomer.com> wrote:
> While looking into a way to make the V-M class instantiation work better, I
> did some digging in JDBI transactions. I got to thinking about it and was
> thinking that it would be nice to have a transaction system that could do
> the following:
> Truly nested transactions: If a rollback is nested within a commit, the code
> of that rollback is removed from the ultimate commit (which is not currently
> the case, as far as I can tell).
As I far as I know mysql doesn't support nested transactions, but has
save points which could be used to do this, however I never tried it.

> The ability to store code as part of a transaction that gets run on ultimate
> commit or on ultimate rollback.
Yes, this is great idea if I got it right :)

> Creating a "transaction { }" wrapper method that will execute a coderef  and
> perform automatic rollback on exception or automatic commit otherwise.
> Encapsulating transactions in objects that could be manipulated in a
> straightforward manner---rather than as a collection of methods on
> Jifty::DBI::Handle.
Sounds cool.

> I looked around on CPAN to see if there was already a module for helping
> with this, but the modules either require wrapping DBI (e.g.,
> DBIx::Transaction) or don't really work the way I have described (e.g.,
> DBIx::Roles::Transaction). All the transaction modules I see are also tied
> to some specific file- or DBI-based task and don't provide tools to help
> with the execute on commit/rollback feature.
> Ideas or comments?
> Cheers,
> Andrew
> --
> Andrew Sterling Hanenkamp
> Interaction Developer
> Boomer Consulting, Inc.
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> andrew.hanenkamp at boomer.com
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Best regards, Ruslan.

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