No. You can change it. You cannot change it only if web2py did not create the model but you created it manually using sql.
Massimo On Oct 17, 11:47 am, annet <[EMAIL PROTECTED]> wrote: > I ran into the same problem. I had a mock application in which I > created the model. Later I uninstalled the mock application and > created a new application in which I use the same model. The problem > is that when I want to alter something (let's say the length of a > field from 20 to 30) in the model in the newly created application I > get the following error: > > ProgrammingError: relation "text" already exists. > > In Massimo's reply I read: > > "Hence it can do migrations if and only if web2py created the tables > in > the first place... You cannot do a migration on a table that was pre- > existing > (migrate=False)" > > Does this imply that I have to get my model correct, right from the > start, because I cannot alter it at a later stage, that would be very > awkward. Would not having set migrate=False on the tables have > prevented me from this problem. Is there a way to reverse this action. > I mean dropping a database with all its data, creating a new one, > migrating the model and inserting the data again. Is a rather time > consuming way to alter a table definition. > > I hope there is another solution to this problem. > > Annet. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py Web Framework" 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 -~----------~----~----~----~------~----~------~--~---
