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urgentodooV12
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Ramla

Hi

class AnimaleSouche(models.Model):
    _name = 'animale.souche'
    _description ="Les souches des animaux"

    name = fields.Char(string='Nom de la souche', required=True)
    image = fields.Binary(string='Image')
    description = fields.Char(string='Description')
programme_norme = fields.Many2many('animale.programme.norme', 'animale.souche', string='Programme de norme', ondelete='cascade', required=True)
    programme_production = fields.Many2many('animale.programme.production', 'animale.souche', string='Programme de production', ondelete='cascade', required=True)
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Mitul Shingala

you want many2many of same model or different model.

Ramla
Autor

same model

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Mitul Shingala
Best Answer

Hello

for given many2many of same model you have to pass the table/relationship table name into the definition of the field.

for eg

partner_ids1 = fields.Many2many('res.partner', 'relation_table_one', 'col1', 'col2', string="Line1")
partner_ids2 = fields.Many2many('res.partner', 'relation_table_two', 'col1', 'col2', 'string="Line2") 
try like this, may this will helps you.

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Ramla
Autor

Hi,

programme_norme = fields.Many2many('animale.souche', 'animale.programme.norme', 'animale_souche_id', 'animale_programme_norme_id', string='Programme de norme')

programme_production = fields.Many2many('animale.souche', 'animale.programme.production', 'animale_souche_id', 'animale_programme_production_id', string='Programme de production')

Erreur:

Odoo Server Error

Traceback (most recent call last):

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 654, in _handle_exception

return super(JsonRequest, self)._handle_exception(exception)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 312, in _handle_exception

raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\pycompat.py", line 87, in reraise

raise value

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 696, in dispatch

result = self._call_function(**self.params)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 344, in _call_function

return checked_call(self.db, *args, **kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\service\model.py", line 97, in wrapper

return f(dbname, *args, **kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 337, in checked_call

result = self.endpoint(*a, **kw)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 939, in __call__

return self.method(*args, **kw)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 517, in response_wrap

response = f(*args, **kw)

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\web\controllers\main.py", line 966, in call_button

action = self._call_kw(model, method, args, {})

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\web\controllers\main.py", line 954, in _call_kw

return call_kw(request.env[model], method, args, kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\api.py", line 749, in call_kw

return _call_kw_multi(method, model, args, kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\api.py", line 736, in _call_kw_multi

result = method(recs, *args, **kwargs)

File "<decorator-gen-67>", line 2, in button_immediate_upgrade

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 73, in check_and_log

return method(self, *args, **kwargs)

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 614, in button_immediate_upgrade

return self._button_immediate_function(type(self).button_upgrade)

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 553, in _button_immediate_function

modules.registry.Registry.new(self._cr.dbname, update_module=True)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\registry.py", line 86, in new

odoo.modules.load_modules(registry._db, force_demo, status, update_module)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 417, in load_modules

force, status, report, loaded_modules, update_module, models_to_check)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 313, in load_marked_modules

perform_checks=perform_checks, models_to_check=models_to_check

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 195, in load_module_graph

registry.init_models(cr, model_names, {'module': package.name})

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\registry.py", line 301, in init_models

func()

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\fields.py", line 2629, in update_db_foreign_keys

sql.add_foreign_key(cr, self.relation, self.column2, comodel._table, 'id', 'cascade')

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\sql.py", line 158, in add_foreign_key

cr.execute(query.format(tablename1, columnname1, tablename2, columnname2, ondelete))

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\sql_db.py", line 148, in wrapper

return f(self, *args, **kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\sql_db.py", line 225, in execute

res = self._obj.execute(query, params)

psycopg2.ProgrammingError: ERREUR: la relation « _unknown » n'existe pas

Mitul Shingala

programme_production = fields.Many2many('animale.souche', 'animale_programme_production', 'animale_souche_id', 'animale_programme_production_id', string='Programme de production')

give the relation name with underscore. and make sure that the name is not exist into the system. so give the name like "table_rel_animale_programme_production"

Ramla
Autor

sorry, I'm not understand

Ramla
Autor

can you give me an example

Mitul Shingala

see my above answer, i have make the text bold.

for make the many2many of same model you need to give the relationship table name. in example i have given like "relation_table_one".

Ramla
Autor

programme_norme_ids = fields.Many2many('animale.programme.norme', 'animale_programme_norme_animale_souche_rel', 'animale_souche_id', 'animale_programme_norme_id', string='Programmes de norme')

programme_production_ids = fields.Many2many('animale.programme.production', 'animale_programme_production_animale_souche_rel', 'animale_souche_id', 'animale_programme_production_id', string='Programmes de production')

"programme_production_ids" works but "programme_norme_ids" no

Ramla
Autor

Erreur:

Odoo Server Error

Traceback (most recent call last):

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 654, in _handle_exception

return super(JsonRequest, self)._handle_exception(exception)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 312, in _handle_exception

raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\pycompat.py", line 87, in reraise

raise value

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 696, in dispatch

result = self._call_function(**self.params)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 344, in _call_function

return checked_call(self.db, *args, **kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\service\model.py", line 97, in wrapper

return f(dbname, *args, **kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 337, in checked_call

result = self.endpoint(*a, **kw)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 939, in __call__

return self.method(*args, **kw)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 517, in response_wrap

response = f(*args, **kw)

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\web\controllers\main.py", line 966, in call_button

action = self._call_kw(model, method, args, {})

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\web\controllers\main.py", line 954, in _call_kw

return call_kw(request.env[model], method, args, kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\api.py", line 749, in call_kw

return _call_kw_multi(method, model, args, kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\api.py", line 736, in _call_kw_multi

result = method(recs, *args, **kwargs)

File "<decorator-gen-67>", line 2, in button_immediate_upgrade

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 73, in check_and_log

return method(self, *args, **kwargs)

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 614, in button_immediate_upgrade

return self._button_immediate_function(type(self).button_upgrade)

File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 553, in _button_immediate_function

modules.registry.Registry.new(self._cr.dbname, update_module=True)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\registry.py", line 86, in new

odoo.modules.load_modules(registry._db, force_demo, status, update_module)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 417, in load_modules

force, status, report, loaded_modules, update_module, models_to_check)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 313, in load_marked_modules

perform_checks=perform_checks, models_to_check=models_to_check

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 195, in load_module_graph

registry.init_models(cr, model_names, {'module': package.name})

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\registry.py", line 301, in init_models

func()

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\fields.py", line 2629, in update_db_foreign_keys

sql.add_foreign_key(cr, self.relation, self.column2, comodel._table, 'id', 'cascade')

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\sql.py", line 158, in add_foreign_key

cr.execute(query.format(tablename1, columnname1, tablename2, columnname2, ondelete))

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\sql_db.py", line 148, in wrapper

return f(self, *args, **kwargs)

File "C:\Program Files (x86)\Odoo 12.0\server\odoo\sql_db.py", line 225, in execute

res = self._obj.execute(query, params)

psycopg2.ProgrammingError: ERREUR: la relation « _unknown » n'existe pas

Avatar
subbarao
Best Answer

Hi Ramla,

please read the many2many field declaration syntax 

https://www.odoo.com/documentation/12.0/reference/orm.html#odoo.fields.Many2many

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