Hi i have created a field named as count_books by inheritace after creating the field it is shown in the model
of odoo but when i search in the pgadmin table(res_partner) the field is not there can anybody help me regarding this.
here is the code: 
class ResPartner(models.Model):
    _inherit = 'res.partner'
    published_book_ids = fields.One2many(
        'library.book', 'publisher_id',
        string='Published Books')
    authored_book_ids = fields.Many2many(
        'library.book',
        string='Authored Books',
    )
    count_books = fields.Integer('Number of Authored Books',compute='_compute_count_book')
    @api.depends('authored_book_ids')
    def _compute_count_book(self):
        for b in self:
            b.count_books = len(b.authored_book_ids)