On 2016-12-05 09:53, Carlos Eduardo Sotelo Pinto wrote:
> Question: If I have solved this issue, whay I am asking here? well I am
> building a module that I would like been compatible with tryton comunity
> guidelines in order on let this module as free and open for the comunity

OK, I will just answer this because others point have already been
answered.
No you did not, the Tryton way is using identifier and unicity
constraint is almost never good. As Fernando pointed there is always
exceptions. Also it is not a matter of unicity but validity, if you want
to prevent user from mistakes, you must validate the input so he can not
invent a wrong number.

-- 
Cédric Krier - B2CK SPRL
Email/Jabber: [email protected]
Tel: +32 472 54 46 59
Website: http://www.b2ck.com/

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