[DB-SIG] Database API clarifications

[M.-A. Lemburg]

Thomas Marsh wrote:
> 
> M.-A. Lemburg wrote:
> > > [...]
> > Could you explain how you define multiple result sets with one
> > SQL statement ? I'm not sure whether a cursor method is the right
> > thing to add. Also, most DBs probably don't support this feature,
> > so it should be optional from the APIs point of view.
> 
> Any database that supports compute clauses should return multiple result
> sets. Sybase, for instance, does this.

Ok, I see. Well then a method cursor.nextset() should go into the
API. With the same semantics that Bill proposed:

	return 1 if there are more sets and organize for the
	next fetch* calls to return rows from the next set;
	return 0 otherwise.

	Interface packages not providing this feature should always
	return 0.

Is that ok ? I'll add to my API 1.1. draft then.

-- 
Marc-Andre Lemburg


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