def test_many_to_many_backref_population(self):
articles = (self.session.query(self.Article).order_by(
self.Article.id1).all())
batch_fetch(
articles,
with_backrefs('tags'),
)
query_count = self.connection.query_count
tags = articles[0].tags
tags2 = articles[3].tags
tags[0].articles
tags2[0].articles
names = [article.name for article in tags[0].articles]
assert u'Article 1' in names
assert self.connection.query_count == query_count
def test_many_to_many_backref_population(self):
self.init_data()
categories = self.session.query(self.Category).all()
batch_fetch(
categories,
'articles',
with_backrefs('articles.tags'),
)
query_count = self.connection.query_count
tags = categories[0].articles[0].tags
tags2 = categories[1].articles[1].tags
tags[0].articles
tags2[0].articles
names = [article.name for article in tags[0].articles]
assert u'Article 1' in names
assert self.connection.query_count == query_count
def test_many_to_many_backref_population(self):
self.init_data()
categories = self.session.query(self.Category).all()
batch_fetch(
categories,
'articles',
with_backrefs('articles.tags'),
)
query_count = self.connection.query_count
tags = categories[0].articles[0].tags
tags2 = categories[1].articles[1].tags
tags[0].articles
tags2[0].articles
names = [article.name for article in tags[0].articles]
assert u'Article 1' in names
assert self.connection.query_count == query_count
def test_many_to_many_backref_population(self):
articles = (
self.session.query(self.Article)
.order_by(self.Article.id1).all()
)
batch_fetch(
articles,
with_backrefs('tags'),
)
query_count = self.connection.query_count
tags = articles[0].tags
tags2 = articles[3].tags
tags[0].articles
tags2[0].articles
names = [article.name for article in tags[0].articles]
assert u'Article 1' in names
assert self.connection.query_count == query_count