[sqlalchemy] Re: backref VS relation on both sides

2007-03-27 Thread Michael Bayer
didnt get your attachment. but yes, they are different. during a many-to-many flush() operation, the two relationships know to communicate which one actually dealt with the row in the many-to-many table, without it, youll get duplicate association rows. additionally, the automatic

[sqlalchemy] Re: backref VS relation on both sides

2007-03-27 Thread Gaetan de Menten
On 3/27/07, Michael Bayer [EMAIL PROTECTED] wrote: didnt get your attachment. Yeah, I forgot it, as usual, but it wasn't very import anyway... but yes, they are different. during a many-to-many flush() operation, the two relationships know to communicate which one actually dealt with the