On 25 Mar 12:01, Guillem Barba Domingo wrote: > El 24/03/2014 18:50, "Cédric Krier" <cedric.kr...@b2ck.com> va escriure: > > > > On 24 Mar 18:36, Guillem Barba Domingo wrote: > > > El 24/03/2014 14:51, "Cédric Krier" <cedric.kr...@b2ck.com> va escriure: > > > > > > > > On 24 Mar 08:51, Guillem Barba Domingo wrote: > > > > > You can achieve what you want with a UNIQUE sql_constraint and with > > > _order > > > > > property of model. > > > > > > > > UNIQUE constraints should always avoided if possible. > > > > > > Why? > > > > Because it is a constraint and each time you add a constraint you reduce > > the possibilities for the user. > > That's the reason why the constraint isn't ib the core module, but there > isn't any technical reason to avoid constraints in custom modules, is it?
No but my comment is still valid. -- Cédric Krier - B2CK SPRL Email/Jabber: cedric.kr...@b2ck.com Tel: +32 472 54 46 59 Website: http://www.b2ck.com/
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