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Atchuthan - Technical Consultant, Sodexis Inc 
Is there any possibility of sorting the column in a one2many field.

Also can you provide me the location used to store one2many fields in OpenERP 7.0
For Eg: 
In CRM module, there is a child_ids in res.partner but it is not available at pgAdmin III.
I need to know where it is stored at Database level i.e. in pgAdmin III.

Thanks & Regards, Atchuthan

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Ivan
Best Answer

I can't answer the possibility of sorting of one2many fields.

However, for the other question, i.e where one2many fields are stored, the answer is "in the reverse many2one field".  When you define a one2many field you'll need specify a many2one field in the definition.  For res.partner's child_ids case, it is defined in doo/openerp/addons/base/res/res_partner.py.  The child_ids definition is:

'child_ids': fields.one2many('res.partner', 'parent_id', 'Contacts', domain=[('active','=',True)]),

So, the information is stored in the 'parent_id' field of res.partner model:

'parent_id': fields.many2one('res.partner', 'Related Company', select=True),

In order to search who are the 'child_ids' of Partner A, you'll need to search for all partners whose parent_id is Partner A.

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