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I created a many2one field(named file_no_tn) in project.task.form.When i select the value of another field field_type as "Trademark" this field displayed.For each task i add a file_no_tn for it.But the file_no_tn should be unique for task.Is it posible?
For example,
For task T1,
we select file_no as TM 4533
Then for Task T2,
we should not hav to select TN 4533 again
but now we can select
How can we make restriction for this selection?
Thanks
Hi, you can use this sql constraint
_sql_constraints = [('file_no_tm_uniq','unique(file_type_ids,file_no_tm)','This File Number is Already Selected'),
]
Ddnt work properly
i will work.give the correct field names in the parameters and upgrade the module
Thanks,Its working
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use _sql_constraints
I tried..but no use