I am not sure but what about selecting the tournament ID's as a list first, and then selecting the matches with tournament ID's belonging to that list.
tournament_list = db((db.tournament.start >= '2015-01-01 00:00:00') & (db.tournament.end <= '2015-12-31 00:00:00'))\ .select(db.tournament.id).as_list() matches = db(db.match.tournamentID.belongs(tournament_list)).select() Kind regards, Annet -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.