It was not a perfomance tip, just a way to get her id... :)
Richard On Mon, Nov 4, 2013 at 3:39 PM, Niphlod <[email protected]> wrote: > > > On Monday, November 4, 2013 8:39:41 PM UTC+1, Richard wrote: >> >> Ha ok, so you should try to see if it actually improve performance. >> >> To get the id you can do that : >> >> db().select(db.ref_assay.id).last().id >> > > worst performance-related tip ever. That one selects the entire table, > fetches it back and discards all records but the last. > > db.table.insert(whatever='something') > > is the best performance-wise, and the only method to retrieve efficiently > the last inserted id. > > db.table[0] = dict(whatever='something') > does the exact same thing (sql-wise) .... how can it return the last > inserted id is kinda a non-question: given that you can't do any assignment > to any variable, where should you put the hypothetical returned id ? > > -- > 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/groups/opt_out. > -- 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/groups/opt_out.
