On Aug 14, 2009, at 11:26 PM, David Bolen wrote:
> then a query like: > > query(ClassPeriod).join(Class_, Session).\ > options(contains_eager('class_','session')) > > doesn't seem to perform the eager loading: > > SELECT class_periods.class_id AS class_periods_class_id, > class_periods.weekday AS class_periods_weekday, > class_periods.start_time AS class_periods_start_time, > class_periods.duration AS class_periods_duration, > weekdays_1.weekday > AS weekdays_1_weekday, weekdays_1.day AS weekdays_1_day > FROM class_periods JOIN classes ON classes.class_id = > class_periods.class_id JOIN sessions ON sessions.session_id = > classes.session_id LEFT OUTER JOIN weekdays AS weekdays_1 ON > weekdays_1.weekday = class_periods.weekday > > > but if I add the intermediate class_ relationship: > > query(ClassPeriod).join(Class_, Session).\ > options(contains_eager('class_'), > contains_eager('class_','session')) mapper options always take a full path from the root class of the query and indicate one relation() each, with the exception of eagerload_all(). this may not be ideal for the usual contains_eager() use case though. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---