def save(self):
"""Writes the instance to the database.
If the instance is created, a new record will be added to the database
else if it is loaded from database, the record will be updated.
It also saves all dirty instances of related model instances referenced
by :class:`ManyToOne` properties.
:returns: an unique key id
:raises: :class:`DatabaseError` if instance could not be commited.
"""
if self.is_saved and not self.is_dirty:
return self.key
from kalapy.db.engines import database
objects = self._get_related() + [self] # first save all related records
database.update_records(*objects)
return self.key
def save(self):
"""Writes the instance to the database.
If the instance is created, a new record will be added to the database
else if it is loaded from database, the record will be updated.
It also saves all dirty instances of related model instances referenced
by :class:`ManyToOne` properties.
:returns: an unique key id
:raises: :class:`DatabaseError` if instance could not be commited.
"""
if self.is_saved and not self.is_dirty:
return self.key
from kalapy.db.engines import database
objects = self._get_related() + [self] # first save all related records
database.update_records(*objects)
return self.key
def test_update_records(self):
a1 = Article(title='title')
a1.save()
a1.title = 'something'
a2 = Article(title='title2')
a3 = Article(title='title3')
keys = database.update_records(a1, a2, a3)
self.assertEqual(keys, [a1.key, a2.key, a3.key])
a = Article.get(a1.key)
self.assertTrue(a.title != 'title')
