On Jun 24, 2007, at 10:52 PM, Hong Yuan wrote:
mapper(Address, address)
person_address_mapper = mapper(PersonAddress, person_address,
properties={'address': relation(Address, lazy=False)}
)
personmapper = mapper(Person, person,
properties={
'addresses':
Hi,
I just find that if I introduct an association object for the many-to-
many relationship, then the selection seems problematic.
With the above, I added an PersonAddress class as the association
class, then selects against the address table columns. The select
statement produced this time,
On 6月23日, 上午12时45分, Michael Bayer [EMAIL PROTECTED] wrote:
its correct. the LEFT OUTER JOINs above are the result of the
lazy=False eager load you have switched on...if you set lazy=True, you
will see the actual statement you are creating via your Query.
Because the OUTER JOIN tables are
On Jun 22, 12:11 pm, Hong Yuan [EMAIL PROTECTED] wrote:
Hi,
With SQLAlchemy 0.3.8, I wanted to select from a many-to-many
relationship with ORM, and found that if the select condition contains
fields in the relation table, the relation table will be duplicated in
the select statement and
