On 13 April 2012 16:52, Richard Vézina <ml.richard.vez...@gmail.com> wrote:
> In your model definition if you use : > > unique=True > > For each field, It should build your db correctly... But maybe you want > both field together to be unique... > I know about 'unique'. The constraint I used in the example makes the combination of fields unique. > > I don't remember how, but I think there is a way to tell web2py about > multiple column constraint. I customize validator for doing this... I can > show a bit the code if you want. > Previously I had to use web2py code to do a database lookup before an insert to make sure that there is not already the same combination in the table. Now, I am able to let the database do the work and I do not need an extra lookup. Whatever web2py code there may be to solve a problem like this, it will not be as efficient as that of the database. Regards Johann -- Because experiencing your loyal love is better than life itself, my lips will praise you. (Psalm 63:3)
