[DB-SIG] How to know what to do with parameters...

Kevin Jacobs jacobs at penguin.theopalgroup.com
Fri May 16 14:29:34 EDT 2003

On 16 May 2003, Anthony Tuininga wrote:
> I don't think Magnus is suggesting that the _dbapi_string() perform the
> conversion or that the _dbapi_value() method that I suggested would
> convert the string. That is still the domain of the DB API driver.

That is certainly how I read Magnus's idea.

> All that is needed is some way of defining the value that is to be bound
> to the database driver in a way that is understandable by the driver. So
> if I have an instance of type Money()
> _dbapi_type() -> returns NUMBER
> _dbapi_value() -> returns a Python string that can then be manipulated
> by the driver as needed
> Or is there something else that I am missing?

The _dbapi_type is fine, although it is of little use by itself.  The
_dbapi_value is the part that I have deep misgivings about.  Are we going to
define canonical string representations for every possible database type for
all possible backends as part of DB-API?


Kevin Jacobs
The OPAL Group - Enterprise Systems Architect
Voice: (216) 986-0710 x 19         E-mail: jacobs at theopalgroup.com
Fax:   (216) 986-0714              WWW:    http://www.theopalgroup.com

More information about the DB-SIG mailing list