On 1/24/06, John Siracusa <[EMAIL PROTECTED]> wrote:
> On 1/24/06 2:29 AM, Ron Savage wrote:
> > What is the state?
> > Is there any unshipped Oracle code available to be worked on?
> > Is it a matter of converting *::Pg.pm, say, to *::Oracle.pm, for starters?
> >
> > At the moment I have a great deal of time available to do the typing, if the
> > answer to the previous question is Yes, and even a little bit of 
> > enthusiasm...
> > And yes, I have access to Oracle.
>
> As far as I know, no one has started work on Oracle support.  I have no
> access to Oracle or I'd be doing it.  If you want to give it a shot, I can
> help guide you through it.  The first step is to add Oracle support to
> Rose::DB.  That is, to create Rose::DB::Oracle implementing all of the
> public APIs of Rose::DB.
>
> Then the fun begins :)  There are many undocumented/private APIs in Rose::DB
> that Rose::DB::Object relies upon that will need to be implemented, plus
> probably a few more new ones that will need to be added just for Oracle.
> The primary key and serial column stuff will probably also be a problem.
> Finally, there's the dreaded Manager which knows nothing of Oracle's
> potentially odd syntax for doing JOIN and LIMIT queries.

I may be able to help with this. Luckily, if you stick with Oracle
9.2+, it can use the standard JOIN syntax. Oracle doesn't have a LIMIT
syntax, though it can be simulated using ROWID. Auto-incrementing is
also wonky in Oracle - you have to manually create a sequence and do
some random locking stuff in order to do it right. I either have or
can easily get all this information.

John - It might be useful to document the undocumented stuff in
Rose::DB that RDBO depends on in some "How to extend RDBO"-type
document. At least so that you have it documented for yourself. :-)

Rob


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