Here some progress : https://github.com/web2py/pydal/issues/521
On Fri, Aug 4, 2017 at 12:57 PM, villas <[email protected]> wrote: > With a where clause, it works OK. > However, in my example, I still should not have generated a CROSS JOIN. > I guess it's just a pyDAL issue. > > > > > On Friday, 4 August 2017 17:25:14 UTC+1, villas wrote: >> >> According to the book, I should be able to append 'join' statements to a >> list. Here is what happens: >> >> >>> joinlist = [] >> >>> joinlist.append( db.res.on(db.extra_dates.res_id == db.res.id) ) >> >>> joinlist.append( db.prop.on(db.res.prop_id == db.prop.id) ) >> >> >>> db()._select(db.prop.id, join=joinlist ) >> >> 'SELECT prop.id FROM extra_dates CROSS JOIN prop JOIN res ON >> (extra_dates.res_id = res.id) JOIN prop ON (res.prop_id = prop.id) ORDER >> BY prop.id;' >> >> This SQL is wrong and creates a ticket because an unwanted 'CROSS JOIN' >> has been added. In my case I am using Firebird, but I believe this is >> irrelevant because it happens in base.py which probably affects all DBs. >> >> I'm posting this initially here because the same problem >> <https://groups.google.com/forum/#!searchin/web2py/cross$20join%7Csort:relevance/web2py/KpxWh4ikqG8/cDBbhiK_3F8J> >> was posted a couple of years ago. >> >> Maybe there's a workaround, or I'm missing something? >> >> >> >> >> -- > 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 [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.

