def create_simple_acc(belongs_to, field_name):
''' Es crea un index al valor del camp que li passem per parametre, field_name es el atribut del objecte del objecte
que li indiquem amb belongs_to. Els dos parametres han de contenir un string'''
field_name = unicode(field_name)
belongs_to = unicode(belongs_to)
belongs_to_id = get_type_id(belongs_to)
def create_field_index(belongs_to, field_name):
i = Index(gen_index_name(belongs_to, field_name), dals.table_space[dals.composeTableName(belongs_to, field_name)].c.value)
i.create(dals.metadata.bind)
r = dals.field_def.update().where(and_(dals.field_def.c.name==field_name, dals.field_def.c.belongs_to_id==belongs_to_id)).values(indexed=True).execute()
dals.transaction(create_field_index, belongs_to, field_name)
dal.mc.update_field_data(belongs_to_id, field_name)
def _save_field(self, field, value):
val = value.id if isinstance(value, Object) else value
if field.is_list:
def set_field_not_unique(tf, oid, v):
tf.insert().values(value=v, obj_id=oid).execute()
dals.transaction(set_field_not_unique, field.table, self.id, val)
else:
def set_field_unique(tf, oid, v):
r = tf.update().where(tf.c.obj_id==oid).values(value=v).execute()
if r.rowcount == 0:
tf.insert().values(value=v, obj_id=oid).execute()
dals.transaction(set_field_unique, field.table, self.id, val)
def __get__(self, obj, cls=None):
if obj == None :
return self
else:
if self.vname in obj.__dict__:
return obj.__dict__[self.vname].value
r = dals.transaction(self._get_field, obj.id)
if self.type_id < 100:
result = r[0][1]
else:
result = Object(self.type_id, r[0][1])
v = Value(self, result)
self._init_attr(obj, v)
return v.value
def delete_field_content(self, field):
def delete_fields(tf, oid):
tf.delete().where(tf.c.obj_id==oid).execute()
dals.transaction(delete_fields, field.table, self.id)
