On Feb 11, 2008, at 10:25 PM, Richard Levasseur wrote:
Ok, so I tried this. It works fine, the only catch is that yeah,
the pid and cid are hardcoded in there. I couldn't figure out any
way to determine them programatically. I can get the join condition
clause, but its just a
On Feb 8, 2008 2:27 PM, Michael Bayer [EMAIL PROTECTED] wrote:
On Feb 8, 2008, at 3:49 PM, Richard Levasseur wrote:
Hm, we could do that, but that means that we have to outerjoin to
~15 other tables. The primary table has ~200+ columns on it, each
child table has 10-20 columns, there
On Feb 7, 2008, at 9:28 PM, Richard Levasseur wrote:
Ok, so I've been looking into getting it to work when the child record
doesn't exist. I haven't had much luck.
I wrote a stub mapper extension for translate_row and
populate_instance, but it doesn't seem to be called when it goes to
On Feb 8, 2008 7:04 AM, Michael Bayer [EMAIL PROTECTED] wrote:
On Feb 7, 2008, at 9:28 PM, Richard Levasseur wrote:
Ok, so I've been looking into getting it to work when the child record
doesn't exist. I haven't had much luck.
I wrote a stub mapper extension for translate_row and
On Feb 8, 2008 11:27 AM, Michael Bayer [EMAIL PROTECTED] wrote:
On Feb 8, 2008, at 2:01 PM, Richard Levasseur wrote:
Ok, so I'm talking about 2 slightly different things at once: One is that
sqlalchemy doesn't call the mapper extensions when loading the data from the
inherited tables. The
On Feb 7, 2008, at 1:33 PM, Richard Levasseur wrote:
For the syntax of it, I'd go for something like
`child_obj.change_from(parent_obj)` or `child_obj =
ChildClass.create_from(parent_obj)`, perhaps implicitly invoked when
you do child_obj.type = parent_obj. Not sure about that last part,
On Feb 6, 7:01 pm, Michael Bayer [EMAIL PROTECTED] wrote:
we dont yet support a seamless change of inheriting type. your best
bet is to issue the SQL to the table directly which changes the
polymorphic value to the new value, then inserting/deleting from the
child tables as needed..then
Ok, so I've been looking into getting it to work when the child record
doesn't exist. I haven't had much luck.
I wrote a stub mapper extension for translate_row and
populate_instance, but it doesn't seem to be called when it goes to
fetch the information for the child row.
mapper(Parent,
