for the same exact reason. NOT field = True
in t-sql means just FALSE, not FALSE and NULL On Monday, March 9, 2015 at 2:37:46 PM UTC+1, Dmitry Ermolaev wrote: > > I use negate - why this not worked? > > воскресенье, 8 марта 2015 г., 23:15:49 UTC+3 пользователь Niphlod написал: >> >> booleans in T-SQL are not treated the same way as python..... in T-SQL, >> NULL values are neither True or False, they are just NULL. >> >> So, if you want closed either None or False, you should do >> >> ((db.progs.closed == None) | (db.progs.closed == False)) >> >> one shortcut to it would be >> >> db.progs.closed.belongs((None, False)) >> >> that'll turn this syntax to the previous one, effectively selecing both >> None and False values. >> >> On Sunday, March 8, 2015 at 7:23:54 PM UTC+1, Dmitry Ermolaev wrote: >>> >>> db((db.progs.promo==True) & (db.progs.closed!=True)).select(): >>> or >>> db((db.progs.promo==True) & ~(db.progs.closed==True)).select(): >>> >>> >>> not worked (( >>> if exist record wirh promo=True and closed=None or False - it not >>> selected! >>> >> -- 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.
