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from sqlalchemy import testing
from sqlalchemy.testing import eq_
from sqlalchemy.testing.schema import Table, Column
from sqlalchemy.testing import fixtures
from sqlalchemy import Integer, String, ForeignKey, FetchedValue
from sqlalchemy.orm import mapper, Session
from sqlalchemy.testing.assertsql import CompiledSQL
from test.orm import _fixtures
class BulkTest(testing.AssertsExecutionResults):
run_inserts = None
run_define_tables = 'each'
class BulkInsertUpdateTest(BulkTest, _fixtures.FixtureTest):
@classmethod
def setup_mappers(cls):
User, Address = cls.classes("User", "Address")
u, a = cls.tables("users", "addresses")
mapper(User, u)
mapper(Address, a)
def test_bulk_save_return_defaults(self):
User, = self.classes("User",)
s = Session()
objects = [
User(name="u1"),
User(name="u2"),
User(name="u3")
]
assert 'id' not in objects[0].__dict__
with self.sql_execution_asserter() as asserter:
s.bulk_save_objects(objects, return_defaults=True)
asserter.assert_(
CompiledSQL(
"INSERT INTO users (name) VALUES (:name)",
[{'name': 'u1'}]
),
CompiledSQL(
"INSERT INTO users (name) VALUES (:name)",
[{'name': 'u2'}]
),
CompiledSQL(
"INSERT INTO users (name) VALUES (:name)",
[{'name': 'u3'}]
),
)
eq_(objects[0].__dict__['id'], 1)
def test_bulk_save_no_defaults(self):
User, = self.classes("User",)
s = Session()
objects = [
User(name="u1"),
User(name="u2"),
User(name="u3")
]
assert 'id' not in objects[0].__dict__
with self.sql_execution_asserter() as asserter:
s.bulk_save_objects(objects)
asserter.assert_(
CompiledSQL(
"INSERT INTO users (name) VALUES (:name)",
[{'name': 'u1'}, {'name': 'u2'}, {'name': 'u3'}]
),
)
assert 'id' not in objects[0].__dict__
def test_bulk_save_updated_include_unchanged(self):
User, = self.classes("User",)
s = Session(expire_on_commit=False)
objects = [
User(name="u1"),
User(name="u2"),
User(name="u3")
]
s.add_all(objects)
s.commit()
objects[0].name = 'u1new'
objects[2].name = 'u3new'
s = Session()
with self.sql_execution_asserter() as asserter:
s.bulk_save_objects(objects, update_changed_only=False)
asserter.assert_(
CompiledSQL(
"UPDATE users SET name=:name WHERE "
"users.id = :users_id",
[{'users_id': 1, 'name': 'u1new'},
{'users_id': 2, 'name': 'u2'},
{'users_id': 3, 'name': 'u3new'}]
)
)
def test_bulk_update(self):
User, = self.classes("User",)
s = Session(expire_on_commit=False)
objects = [
User(name="u1"),
User(name="u2"),
User(name="u3")
]
s.add_all(objects)
s.commit()
s = Session()
with self.sql_execution_asserter() as asserter:
s.bulk_update_mappings(
User,
[{'id': 1, 'name': 'u1new'},
{'id': 2, 'name': 'u2'},
{'id': 3, 'name': 'u3new'}]
)
asserter.assert_(
CompiledSQL(
"UPDATE users SET name=:name WHERE users.id = :users_id",
[{'users_id': 1, 'name': 'u1new'},
{'users_id': 2, 'name': 'u2'},
{'users_id': 3, 'name': 'u3new'}]
)
)
def test_bulk_insert(self):
User, = self.classes("User",)
s = Session()
with self.sql_execution_asserter() as asserter:
s.bulk_insert_mappings(
User,
[{'id': 1, 'name': 'u1new'},
{'id': 2, 'name': 'u2'},
{'id': 3, 'name': 'u3new'}]
)
asserter.assert_(
CompiledSQL(
"INSERT INTO users (id, name) VALUES (:id, :name)",
[{'id': 1, 'name': 'u1new'},
{'id': 2, 'name': 'u2'},
{'id': 3, 'name': 'u3new'}]
)
)
class BulkUDPostfetchTest(BulkTest, fixtures.MappedTest):
@classmethod
def define_tables(cls, metadata):
Table(
'a', metadata,
Column(
'id', Integer,
primary_key=True,
test_needs_autoincrement=True),
Column('x', Integer),
Column('y', Integer, server_default=FetchedValue(), server_onupdate=FetchedValue()))
@classmethod
def setup_classes(cls):
class A(cls.Comparable):
pass
@classmethod
def setup_mappers(cls):
A = cls.classes.A
a = cls.tables.a
mapper(A, a)
def test_insert_w_fetch(self):
A = self.classes.A
s = Session()
a1 = A(x=1)
s.bulk_save_objects([a1])
s.commit()
def test_update_w_fetch(self):
A = self.classes.A
s = Session()
a1 = A(x=1, y=2)
s.add(a1)
s.commit()
eq_(a1.id, 1) # force a load
a1.x = 5
s.expire(a1, ['y'])
assert 'y' not in a1.__dict__
s.bulk_save_objects([a1])
s.commit()
eq_(a1.x, 5)
eq_(a1.y, 2)
class BulkInheritanceTest(BulkTest, fixtures.MappedTest):
@classmethod
def define_tables(cls, metadata):
Table(
'people', metadata,
Column(
'person_id', Integer,
primary_key=True,
test_needs_autoincrement=True),
Column('name', String(50)),
Column('type', String(30)))
Table(
'engineers', metadata,
Column(
'person_id', Integer,
ForeignKey('people.person_id'),
primary_key=True),
Column('status', String(30)),
Column('primary_language', String(50)))
Table(
'managers', metadata,
Column(
'person_id', Integer,
ForeignKey('people.person_id'),
primary_key=True),
Column('status', String(30)),
Column('manager_name', String(50)))
Table(
'boss', metadata,
Column(
'boss_id', Integer,
ForeignKey('managers.person_id'),
primary_key=True),
Column('golf_swing', String(30)))
@classmethod
def setup_classes(cls):
class Base(cls.Comparable):
pass
class Person(Base):
pass
class Engineer(Person):
pass
class Manager(Person):
pass
class Boss(Manager):
pass
@classmethod
def setup_mappers(cls):
Person, Engineer, Manager, Boss = \
cls.classes('Person', 'Engineer', 'Manager', 'Boss')
p, e, m, b = cls.tables('people', 'engineers', 'managers', 'boss')
mapper(
Person, p, polymorphic_on=p.c.type,
polymorphic_identity='person')
mapper(Engineer, e, inherits=Person, polymorphic_identity='engineer')
mapper(Manager, m, inherits=Person, polymorphic_identity='manager')
mapper(Boss, b, inherits=Manager, polymorphic_identity='boss')
def test_bulk_save_joined_inh_return_defaults(self):
Person, Engineer, Manager, Boss = \
self.classes('Person', 'Engineer', 'Manager', 'Boss')
s = Session()
objects = [
Manager(name='m1', status='s1', manager_name='mn1'),
Engineer(name='e1', status='s2', primary_language='l1'),
Engineer(name='e2', status='s3', primary_language='l2'),
Boss(
name='b1', status='s3', manager_name='mn2',
golf_swing='g1')
]
assert 'person_id' not in objects[0].__dict__
with self.sql_execution_asserter() as asserter:
s.bulk_save_objects(objects, return_defaults=True)
asserter.assert_(
CompiledSQL(
"INSERT INTO people (name, type) VALUES (:name, :type)",
[{'type': 'manager', 'name': 'm1'}]
),
CompiledSQL(
"INSERT INTO managers (person_id, status, manager_name) "
"VALUES (:person_id, :status, :manager_name)",
[{'person_id': 1, 'status': 's1', 'manager_name': 'mn1'}]
),
CompiledSQL(
"INSERT INTO people (name, type) VALUES (:name, :type)",
[{'type': 'engineer', 'name': 'e1'}]
),
CompiledSQL(
"INSERT INTO people (name, type) VALUES (:name, :type)",
[{'type': 'engineer', 'name': 'e2'}]
),
CompiledSQL(
"INSERT INTO engineers (person_id, status, primary_language) "
"VALUES (:person_id, :status, :primary_language)",
[{'person_id': 2, 'status': 's2', 'primary_language': 'l1'},
{'person_id': 3, 'status': 's3', 'primary_language': 'l2'}]
),
CompiledSQL(
"INSERT INTO people (name, type) VALUES (:name, :type)",
[{'type': 'boss', 'name': 'b1'}]
),
CompiledSQL(
"INSERT INTO managers (person_id, status, manager_name) "
"VALUES (:person_id, :status, :manager_name)",
[{'person_id': 4, 'status': 's3', 'manager_name': 'mn2'}]
),
CompiledSQL(
"INSERT INTO boss (boss_id, golf_swing) VALUES "
"(:boss_id, :golf_swing)",
[{'boss_id': 4, 'golf_swing': 'g1'}]
)
)
eq_(objects[0].__dict__['person_id'], 1)
eq_(objects[3].__dict__['person_id'], 4)
eq_(objects[3].__dict__['boss_id'], 4)
def test_bulk_save_joined_inh_no_defaults(self):
Person, Engineer, Manager, Boss = \
self.classes('Person', 'Engineer', 'Manager', 'Boss')
s = Session()
with self.sql_execution_asserter() as asserter:
s.bulk_save_objects([
Manager(
person_id=1,
name='m1', status='s1', manager_name='mn1'),
Engineer(
person_id=2,
name='e1', status='s2', primary_language='l1'),
Engineer(
person_id=3,
name='e2', status='s3', primary_language='l2'),
Boss(
person_id=4, boss_id=4,
name='b1', status='s3', manager_name='mn2',
golf_swing='g1')
],
)
# the only difference here is that common classes are grouped together.
# at the moment it doesn't lump all the "people" tables from
# different classes together.
asserter.assert_(
CompiledSQL(
"INSERT INTO people (person_id, name, type) VALUES "
"(:person_id, :name, :type)",
[{'person_id': 1, 'type': 'manager', 'name': 'm1'}]
),
CompiledSQL(
"INSERT INTO managers (person_id, status, manager_name) "
"VALUES (:person_id, :status, :manager_name)",
[{'status': 's1', 'person_id': 1, 'manager_name': 'mn1'}]
),
CompiledSQL(
"INSERT INTO people (person_id, name, type) VALUES "
"(:person_id, :name, :type)",
[{'person_id': 2, 'type': 'engineer', 'name': 'e1'},
{'person_id': 3, 'type': 'engineer', 'name': 'e2'}]
),
CompiledSQL(
"INSERT INTO engineers (person_id, status, primary_language) "
"VALUES (:person_id, :status, :primary_language)",
[{'person_id': 2, 'status': 's2', 'primary_language': 'l1'},
{'person_id': 3, 'status': 's3', 'primary_language': 'l2'}]
),
CompiledSQL(
"INSERT INTO people (person_id, name, type) VALUES "
"(:person_id, :name, :type)",
[{'person_id': 4, 'type': 'boss', 'name': 'b1'}]
),
CompiledSQL(
"INSERT INTO managers (person_id, status, manager_name) "
"VALUES (:person_id, :status, :manager_name)",
[{'status': 's3', 'person_id': 4, 'manager_name': 'mn2'}]
),
CompiledSQL(
"INSERT INTO boss (boss_id, golf_swing) VALUES "
"(:boss_id, :golf_swing)",
[{'boss_id': 4, 'golf_swing': 'g1'}]
)
)
def test_bulk_insert_joined_inh_return_defaults(self):
Person, Engineer, Manager, Boss = \
self.classes('Person', 'Engineer', 'Manager', 'Boss')
s = Session()
with self.sql_execution_asserter() as asserter:
s.bulk_insert_mappings(
Boss,
[
dict(
name='b1', status='s1', manager_name='mn1',
golf_swing='g1'
),
dict(
name='b2', status='s2', manager_name='mn2',
golf_swing='g2'
),
dict(
name='b3', status='s3', manager_name='mn3',
golf_swing='g3'
),
], return_defaults=True
)
asserter.assert_(
CompiledSQL(
"INSERT INTO people (name) VALUES (:name)",
[{'name': 'b1'}]
),
CompiledSQL(
"INSERT INTO people (name) VALUES (:name)",
[{'name': 'b2'}]
),
CompiledSQL(
"INSERT INTO people (name) VALUES (:name)",
[{'name': 'b3'}]
),
CompiledSQL(
"INSERT INTO managers (person_id, status, manager_name) "
"VALUES (:person_id, :status, :manager_name)",
[{'person_id': 1, 'status': 's1', 'manager_name': 'mn1'},
{'person_id': 2, 'status': 's2', 'manager_name': 'mn2'},
{'person_id': 3, 'status': 's3', 'manager_name': 'mn3'}]
),
CompiledSQL(
"INSERT INTO boss (boss_id, golf_swing) VALUES "
"(:boss_id, :golf_swing)",
[{'golf_swing': 'g1', 'boss_id': 1},
{'golf_swing': 'g2', 'boss_id': 2},
{'golf_swing': 'g3', 'boss_id': 3}]
)
)
|
