Massimo, I downloaded the latest released version today: Version 1.65.11 (2009-08-04 16:42:46), and it still fails. here is the generated SQL:
SELECT concert.name, concert.id, concert_purchases.date, artist.name, venue.name, concert.date, audiofile.file FROM venue, concert, concert_purchases, artist LEFT JOIN audiofile ON audiofile.concert=concert.id WHERE ((((concert_purchases.auth_user=3 AND concert.id=concert_purchases.concert) AND concert_purchases.expires>'2009-08-08 09:46:23') AND artist.id=concert.artist) AND venue.id=concert.venue) ORDER BY concert_purchases.date DESC; Thanks, Christian On Aug 6, 11:58 pm, mdipierro <mdipie...@cs.depaul.edu> wrote: > Please try a new version of web2py (I remember addressing a bug about > this in the past). if you still have a problem, try print the _select > and let us see the generate sql. This should definitively be possible. > > Massimo > > On Aug 6, 6:15 pm, howesc <how...@umich.edu> wrote: > > > Hi all, > > > I'm writing several queries with multiple tables, and left joins, and > > the generated SQL is not working with postgres: > > > ProgrammingError: invalid reference to FROM-clause entry for table > > "concert" > > LINE 1: ..., artist LEFT JOIN audiofile ON > > audiofile.concert=concert.id... > > ^ > > HINT: There is an entry for table "concert", but it cannot be > > referenced from this part of the query. > > > my query is: > > query = db((db.concert_purchases.auth_user == auth.user.id) & > > (db.concert.id == db.concert_purchases.concert) & > > (db.concert_purchases.expires > now) & > > (db.artist.id == db.concert.artist) & > > (db.venue.id == db.concert.venue)) > > rows = query.select(db.concert.name, db.concert.id, > > db.concert_purchases.date, > > db.artist.name, > > db.venue.name, > > db.concert.date, > > db.audiofile.file, > > left=db.audiofile.on(db.audiofile.concert == > > db.concert.id), > > orderby=~db.concert_purchases.date) > > > I have web2py Version 1.63.5 (2009-06-03 23:35:00) > > > so, is there a way i can write the query to make the left join work, > > or should i just do multiple queries? > > > thanks for the help, > > > christian > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py-users" group. To post to this group, send email to web2py@googlegroups.com To unsubscribe from this group, send email to web2py+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
