On Aug 1, 2009, at 8:23 AM, mdipierro wrote: > The way I think of it is > > db(....) defines a set of records > > .count() counts the records of the set > .delete() deletes the recods > .update(....) updates the records > .select(...) extracts info from the records ... specifies what and > how. > > .select(db.table.field1,db.table.field2) extracts two fields > .select(orderby=db.table.field1) extract all fields sorted by field1 > > db(query1)(query2) compute the query2 subset of db(query1) > > How this makes sense.
This is quite useful as an explanation; maybe it could find its way into the manual. My own experience, using the first edition, was that I ended up getting confused by what appeared to be multiple ways of expressing the same thing, at least judging by the existing examples. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py-users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
