On Thu, Apr 07, 2011 at 10:21:49AM -0700, Quinn Weaver wrote:
> Hi,
>
> I'm working on a new feature for David E. Wheeler's DBIx::Connector module. I
> want to make it so that if you pass an an existing dbh to the constructor,
> you get back a DBIx::Connector object that wraps the dbh. (DBIx::Connector
> adds transaction, savepoint, and reconnect logic to DBI).
>
> The problem is, in order to add this feature, I need the original args that
> were passed to connect() when creating the dbh. The reason is that
> DBIx::Connector will need to construct the dbh anew if it gets disconnected.
>
> However, I can't find a way to get those args out of the dbh. Normally I
> would try looping over the contents of the tied hash, but FIRSTKEY and
> NEXTKEY both have null method bodies (i.e. { }), so looping is effectively
> disabled.
>
> Any ideas? Tim, would you be amenable to a patch that implemented FIRSTKEY
> and NEXTKEY? It seems to me that there are legitimate use cases for
> introspection, such as this one.
Take a look at the $dbh->clone method.
Tim.
