On Feb 27, 2011, at 8:12 AM, stoneferry wrote: > Hi I'm wondering if someone could help me with SQLAlchemy and WHERE > clauses since I'm having trouble putting a query together. > > What I want in my WHERE clause is the below, noting the brackets: > > WHERE > > (game_participation.was_a_sub = %s AND game_participation.was_subbed >> = %s) OR (game_participation.was_a_sub <= %s AND > game_participation.was_a_sub >= %s) > > AND game_participation.compid = %s AND game_participation.seasonid = > %s GROUP BY game_participation.playerid > > The closest I have got to producing this in SQL Alchemy is this: > > statement = > select([func.count(game_participation.c.idgame_participation),game_participation.c.playerid], > > or_( > > (( game_participation.c.was_a_sub == 0) & > (game_participation.c.was_subbed >= 60 )) > > > | > > > (( game_participation.c.was_a_sub <= 30) & > (game_participation.c.was_a_sub >= 1 )) > ) > > > & > > > (and_(game_participation.c.compid == compid)) > > & > > > (and_(game_participation.c.seasonid == > seasonid)), > > > group_by=[game_participation.c.playerid]) > > > > ... This in turn produces this in the WHERE clause which is not > correct since the four elements in my OR clause area and encased in > one bracket () only. > > I want ( W & X ) or ( Y & Z ) and i'm getting output of (W and X or Y > and Z). Full output below: > > WHERE (game_participation.was_a_sub = %s AND > game_participation.was_subbed >= %s OR game_participation.was_a_sub <= > %s AND game_participation.was_a_sub >= %s) AND > game_participation.compid = %s AND game_participation.seasonid = %s > GROUP BY game_participation.playerid > > Any help would be appreciated.
SQLAlchemy applies parenthesis to the SQL output of an expression based on operator precedence rules. The two phrases are logically equivalent. -- 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.
