Re: [gnome-db] Re: GRAND MASTER PLAN



On Tue, 2004-03-16 at 09:09 -0600, Linas Vepstas wrote:

> On Sat, Mar 13, 2004 at 02:58:47PM +1300, Dru was heard to remark:
> > 
> > But you can make it more complex.
> > 
> > grand_master_copy_from_sql (&someobj, "select ae,aa.e from ae,aa where 
> > ae.c>'3' and ae.b=aa.b");
> > 
> > and then for extra trickness
> > grand_master_copy_from_myotherobj (&myobj, another_unrelatedobj);
> > So you can make MeinPad's from MeinBlau's.
> 
> Yes. One needs to allow mappings between C objects and tables to 
> not be 1-1 (one C object might map to bits of various tables).
> And there needs to be non-trivial querying on the client side. 
> 
> These are the reasons why I said 'libgda is not enough', 
>
libgda already provides a C object that contains data from several
tables. There is not a 1-1 map.

cheers




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