Entendi. Deveria fazer uma tabela somente para macs e outra para os logins e
relacionar uma com a outra. Show de bola.

Atenciosamente,

Elcimar Leandro -
http://twitter.com/simakwm
http://elcimar.blogspot.com
Portal Net Fácil  - http://www.nfacil.com.br


2010/4/28 Álvaro Justen [Turicas] <[email protected]>

> On Wed, Apr 28, 2010 at 15:02, Elcimar L. Santos <[email protected]>
> wrote:
> > Hi folks.
> >
> > I have a simple table of an sqlite db like this:
> >
> > dbOBJECT.define_table("Users",
> >     Field("login", "string", length=80, notnull=True, default=None,
> > unique=True),
> >     Field("mac1", "string", length=17, notnull=True, default=None,
> > unique=True),
> >     Field("mac2", "string", length=17, default=None, unique=True),
> >     Field("mac3", "string", length=17, default=None, unique=True),
> >     Field("mac4", "string", length=17, default=None, unique=True))
> >
> > The mac2, mac3, and mac4 fields are not required, they can be None, but
> > login and mac1 are required.
> > I also wanted to make sure that no mac fields are inserted twice, even
> for
> > different logins, so I used unique=True on all fields, but they can't be
> > None anymore that way. What should I do?
>
> Hello Elcimar,
> I think your data model is not very well.
> It sounds like that you need a table to store MACs, like:
>
> db.define_table('User',
>    Field('login', length=80, notnull=True, default=None, unique=True),
> )
> db.define_table('Mac',
>    Field('mac', length=17, notnull=True, default=None, unique=True),
>    Field('user', db.User),
> )
>
> In [1]: db.User.insert(login='axsad')
> Out[1]: 1
>
> In [3]: db.Mac.insert(mac='00:15:11:23:45:65', user=1)
> Out[3]: 1
>
> In [4]: print db().select(db.Mac.ALL)
> ------> print(db().select(db.Mac.ALL))
> Macs.id,Macs.mac,Macs.user
> 1,00:15:11:23:45:65,1
>
>
> In [5]: print db().select(db.User.ALL)
> ------> print(db().select(db.User.ALL))
> Users.id,Users.login
> 1,axsad
>
>
> Nota: você fala Português, então entre na lista web2py-users-brazil e
> participe da comunidade brasileira e faça suas perguntas lá. :-)
> http://groups.google.com/group/web2py-users-brazil
>
> > Atenciosamente,
> >
> > Elcimar Leandro -
> > http://twitter.com/simakwm
> > http://elcimar.blogspot.com
> > Portal Net Fácil  - http://www.nfacil.com.br
> >
>
>
>
> --
> Álvaro Justen - Turicas
>  http://blog.justen.eng.br/
>  21 9898-0141
>

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