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Hello, I have Odoo8.
I have a model A with a many2many field which relates him with a model B. I want to filter this many2many field with a domain, which filters (not consider) all the B records which has one relation to any A record. How can I do this? Thanks!
Create a function field in model B that counts the number of model A that relates to it, and then filter/domain based on that function field. You need to set the fnct_search for the function field as well.
I have a similar problem, my field is m2m and I like to filter if it has more them one line, like this domain="[[u'tag_ids', u'>', 1]], but did not work and I don't have any ideia of how to make a function to count the number of rows, could you give some help?
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@Ivan, thanks for your reply. In model B I don't have any reference to model A. How can count the number of model A related to model B in a function field?