you mean you want this:
m = mapper(SomeClass, mytable)
result = m.select_by(someothertable.c.something>45)
which will automatically create a JOIN from 'mytable' to
'someothertable'.
no, there is no technical reason why that cant be done. someone
could probably dig into the mechanism of select_by, which i just
remembered takes not just keyword parameters but ClauseElements as
well, and modify it so that the ClauseElements provided are shuffled
into a JOIN the same way the keyword parameters are. ill even give
you the line number to start on, line 170 of lib/sqlalchemy/mapping/
query.py .
On May 8, 2006, at 10:39 AM, Sandro Dentella wrote:
Hi all,
ok, maybe I placed too many questions so that they went unanswered.
I'll
try to concentrate on this:
Is there a way to build a mapper, that is join of 2 or more
tables, so
that any 'select' on that mapper will *implicitly* issue any
join condition
such as 'USING' or 'attr1 = attr2'?
if not, is there any technical reason why it shouldn't be so?
Thanks
sandro
*:-)
--
Sandro Dentella *:-)
e-mail: [EMAIL PROTECTED]
http://www.tksql.org TkSQL Home page - My GPL work
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