Yeah, the DAL does not have any API for appending to an existing list:-type field -- you must simply update the entire field.
Anthony On Tuesday, December 18, 2018 at 6:26:27 PM UTC-5, Dave S wrote: > > > > On Tuesday, December 18, 2018 at 8:40:34 AM UTC-8, Dave S wrote: >> >> In my case, either a list:string or a list:reference (tags, versus a list >> of items that use that tag). >> >> If you do either rowu.update_record(usestage = ....) or >> rowt.updte_record(tag >> = ...), then the "...." has to include the old value, or you end up with >> only the new value? And siimilary for >> db(db.taggedtable.tags.contains(tag1)),update(tag= >> ...) and db(db.usingtable.usestage.contains(uses1)).update(usestage = >> ... ) ? >> >> >> Thanks >> /dps >> > > I see that in the rowu/rowt case, rowu.usestag and rowt.tag are Python > list objects (or derived class instances), and that > > newuses = rowu.usestag.append(uses2) > rowu.update_record(usestag = newuses) > > > works. I haven't explored farther with db(q).update(...) form yet. > > /dps > > -- 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.
