mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-05-30 12:34:52 -04:00
Mike Bayer
43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
# times how long it takes to create 26000 objects
|
|
import testbase
|
|
|
|
from sqlalchemy.orm.attributes import *
|
|
import time
|
|
import gc
|
|
|
|
manage_attributes = True
|
|
init_attributes = manage_attributes and True
|
|
|
|
class User(object):
|
|
pass
|
|
class Address(object):
|
|
pass
|
|
|
|
attr_manager = AttributeManager()
|
|
if manage_attributes:
|
|
attr_manager.register_attribute(User, 'id', uselist=False)
|
|
attr_manager.register_attribute(User, 'name', uselist=False)
|
|
attr_manager.register_attribute(User, 'addresses', uselist=True, trackparent=True)
|
|
attr_manager.register_attribute(Address, 'email', uselist=False)
|
|
|
|
now = time.time()
|
|
for i in range(0,130):
|
|
u = User()
|
|
if init_attributes:
|
|
attr_manager.init_attr(u)
|
|
u.id = i
|
|
u.name = "user " + str(i)
|
|
if not manage_attributes:
|
|
u.addresses = []
|
|
for j in range(0,200):
|
|
a = Address()
|
|
if init_attributes:
|
|
attr_manager.init_attr(a)
|
|
a.email = 'foo@bar.com'
|
|
u.addresses.append(a)
|
|
# gc.collect()
|
|
# print len(managed_attributes)
|
|
# managed_attributes.clear()
|
|
total = time.time() - now
|
|
print "Total time", total
|