mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-06-03 14:29:41 -04:00
Mike Bayer
af4285e6ad
down on clutter, timeit says there's a teeny performance gain, at least where the access is compared against attr.subattr. these aren't super-critical calls anyway - slight inlining in _class_to_mapper
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
from sqlalchemy import *
|
|
from sqlalchemy.test import *
|
|
|
|
|
|
class CompileTest(TestBase, AssertsExecutionResults):
|
|
@classmethod
|
|
def setup_class(cls):
|
|
|
|
global t1, t2, metadata
|
|
metadata = MetaData()
|
|
t1 = Table('t1', metadata,
|
|
Column('c1', Integer, primary_key=True),
|
|
Column('c2', String(30)))
|
|
|
|
t2 = Table('t2', metadata,
|
|
Column('c1', Integer, primary_key=True),
|
|
Column('c2', String(30)))
|
|
|
|
# do a "compile" ahead of time to load
|
|
# deferred imports
|
|
t1.insert().compile()
|
|
|
|
# go through all the TypeEngine
|
|
# objects in use and pre-load their _type_affinity
|
|
# entries.
|
|
for t in (t1, t2):
|
|
for c in t.c:
|
|
c.type._type_affinity
|
|
from sqlalchemy import types
|
|
for t in types.type_map.values():
|
|
t._type_affinity
|
|
|
|
@profiling.function_call_count(69, {'2.4': 44,
|
|
'3.0':77, '3.1':77})
|
|
def test_insert(self):
|
|
t1.insert().compile()
|
|
|
|
@profiling.function_call_count(69, {'2.4': 45})
|
|
def test_update(self):
|
|
t1.update().compile()
|
|
|
|
@profiling.function_call_count(129, {'2.4': 81, '3':132})
|
|
def test_update_whereclause(self):
|
|
t1.update().where(t1.c.c2==12).compile()
|
|
|
|
@profiling.function_call_count(195, versions={'2.4':118,
|
|
'3.0':208, '3.1':208})
|
|
def test_select(self):
|
|
s = select([t1], t1.c.c2==t2.c.c1)
|
|
s.compile()
|
|
|