please post your model, a simple data set and what you want as a resultset....
On Tuesday, September 3, 2013 11:42:38 AM UTC+2, web2py_tn wrote: > > I am sorry. I am trying to groupby and not orderby. > I want to select from 2 tables and groupby the id of one table. This works > fine in sqllight but throws an error on postgresql. > Massimo suggested that I add the id of the second table using "|". > However, then I can't get the result I need, which is grouping by the id of > the first table only. > I hope this makes sense. > > > > On Tue, Sep 3, 2013 at 10:24 AM, Niphlod <nip...@gmail.com > <javascript:>>wrote: > >> you have a problem with what you want and what you get.... >> >> Assuming a table >> id name surname >> 1 tywin lannister >> 2 tyrion lannister >> 3 eddard stark >> 4 sansa stark >> >> and a query where you want to know how many members of the Game Of >> Thrones families you have, you'll likely want to issue a >> >> select count(*), surname from table group by surname >> >> the resultset will be >> >> count(*) surname >> 2 lannister >> 2 stark >> >> >> >> now..... you can't even think to "order" by id, because there is no id at >> all included in your resultset ^_^ >> >> -- >> >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "web2py-users" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/web2py/wWdowJGAs7I/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> web2py+un...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > > > -- > http://bouguerra.org > > -- --- 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 web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
