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How to check if a value exists in another table?

on 9/9/15, 10:38 AM 1,020 views

I would like to check if the id of a model exists in another attribute of another table.

E.g.: I have inserted a new entry in '1st_model', which id is '1'. When I go and see the form view of this entry, a function must be able to check if there is a value '1' in the field 'example' of the table '2nd_model' (example=1 is True)..

Is it possible to write such a function?

yes quite easy. just make your second field as computed and on method of computed field use search on another table or any logic what you need.

on 9/9/15, 3:10 PM

Could you explain better, please? Thank you!

on 9/10/15, 3:04 AM

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Asked: 9/9/15, 10:38 AM
Seen: 1020 times
Last updated: 9/10/15, 3:04 AM