"""Benchmark for SQLAlchemy. """ import datetime import os import sys import time from sqlalchemy import * class ZooMark(object): def setup(self, uri, iterations, **opts): global db, metadata, ITERATIONS db = create_engine(uri, strategy="threadlocal") db.begin() metadata = MetaData(db) ITERATIONS = iterations def teardown(self): db.rollback() metadata.drop_all() db.dispose() def step_1_create_tables(self): Zoo = Table('Zoo', metadata, Column('ID', Integer, Sequence('zoo_id_seq'), primary_key=True, index=True), Column('Name', Unicode(255)), Column('Founded', Date), Column('Opens', Time), Column('LastEscape', DateTime), Column('Admission', Float), ) Zoo.create() Animal = Table('Animal', metadata, Column('ID', Integer, Sequence('animal_id_seq'), primary_key=True), Column('ZooID', Integer, ForeignKey('Zoo.ID'), index=True), Column('Name', Unicode(100)), Column('Species', Unicode(100)), Column('Legs', Integer, default=4), Column('LastEscape', DateTime), Column('Lifespan', Float(4)), Column('MotherID', Integer, ForeignKey('Animal.ID')), Column('PreferredFoodID', Integer), Column('AlternateFoodID', Integer), ) Animal.create() db.commit() db.begin() def step_1a_populate(self): Zoo = metadata.tables['Zoo'] Animal = metadata.tables['Animal'] wap = Zoo.insert().execute(Name=u'Wild Animal Park', Founded=datetime.date(2000, 1, 1), # 59 can give rounding errors with divmod, which # AdapterFromADO needs to correct. Opens=datetime.time(8, 15, 59), LastEscape=datetime.datetime(2004, 7, 29, 5, 6, 7), Admission=4.95, ).last_inserted_ids()[0] sdz = Zoo.insert().execute(Name =u'San Diego Zoo', # This early date should play havoc with a number # of implementations. Founded = datetime.date(1835, 9, 13), Opens = datetime.time(9, 0, 0), Admission = 0, ).last_inserted_ids()[0] Zoo.insert().execute( Name = u'Montr\xe9al Biod\xf4me', Founded = datetime.date(1992, 6, 19), Opens = datetime.time(9, 0, 0), Admission = 11.75, ) seaworld = Zoo.insert().execute( Name =u'Sea_World', Admission = 60).last_inserted_ids()[0] # Let's add a crazy futuristic Zoo to test large date values. lp = Zoo.insert().execute(Name =u'Luna Park', Founded = datetime.date(2072, 7, 17), Opens = datetime.time(0, 0, 0), Admission = 134.95, ).last_inserted_ids()[0] # Animals leopardid = Animal.insert().execute(Species=u'Leopard', Lifespan=73.5, ).last_inserted_ids()[0] Animal.update(Animal.c.ID==leopardid).execute(ZooID=wap, LastEscape=datetime.datetime(2004, 12, 21, 8, 15, 0, 999907)) lion = Animal.insert().execute(Species=u'Lion', ZooID=wap).last_inserted_ids()[0] Animal.insert().execute(Species=u'Slug', Legs=1, Lifespan=.75) tiger = Animal.insert().execute(Species=u'Tiger', ZooID=sdz ).last_inserted_ids()[0] # Override Legs.default with itself just to make sure it works. Animal.insert().execute(Species=u'Bear', Legs=4) Animal.insert().execute(Species=u'Ostrich', Legs=2, Lifespan=103.2) Animal.insert().execute(Species=u'Centipede', Legs=100) emp = Animal.insert().execute(Species=u'Emperor Penguin', Legs=2, ZooID=seaworld).last_inserted_ids()[0] adelie = Animal.insert().execute(Species=u'Adelie Penguin', Legs=2, ZooID=seaworld).last_inserted_ids()[0] Animal.insert().execute(Species=u'Millipede', Legs=1000000, ZooID=sdz) # Add a mother and child to test relationships bai_yun = Animal.insert().execute(Species=u'Ape', Name=u'Bai Yun', Legs=2).last_inserted_ids()[0] Animal.insert().execute(Species=u'Ape', Name=u'Hua Mei', Legs=2, MotherID=bai_yun) db.commit() db.begin() def step_2_insert(self): Animal = metadata.tables['Animal'] i = Animal.insert() for x in xrange(ITERATIONS): tick = i.execute(Species=u'Tick', Name=u'Tick %d' % x, Legs=8) db.commit() db.begin() def step_3_Properties(self): Zoo = metadata.tables['Zoo'] Animal = metadata.tables['Animal'] def fullobject(select): """Iterate over the full result row.""" # changed from fetchone() to fetchall() to match the Storm test return list(select.execute().fetchall()) for x in xrange(ITERATIONS): # Zoos WAP = fullobject(Zoo.select(Zoo.c.Name==u'Wild Animal Park')) SDZ = fullobject(Zoo.select(Zoo.c.Founded==datetime.date(1835, 9, 13))) Biodome = fullobject(Zoo.select(Zoo.c.Name==u'Montr\xe9al Biod\xf4me')) seaworld = fullobject(Zoo.select(Zoo.c.Admission == float(60))) # Animals leopard = fullobject(Animal.select(Animal.c.Species ==u'Leopard')) ostrich = fullobject(Animal.select(Animal.c.Species==u'Ostrich')) millipede = fullobject(Animal.select(Animal.c.Legs==1000000)) ticks = fullobject(Animal.select(Animal.c.Species==u'Tick')) def step_4_Expressions(self): Zoo = metadata.tables['Zoo'] Animal = metadata.tables['Animal'] def fulltable(select): """Iterate over the full result table.""" return [list(row) for row in select.execute().fetchall()] for x in xrange(ITERATIONS): assert len(fulltable(Zoo.select())) == 5 assert len(fulltable(Animal.select())) == ITERATIONS + 12 assert len(fulltable(Animal.select(Animal.c.Legs==4))) == 4 assert len(fulltable(Animal.select(Animal.c.Legs == 2))) == 5 assert len(fulltable(Animal.select(and_(Animal.c.Legs >= 2, Animal.c.Legs < 20) ))) == ITERATIONS + 9 assert len(fulltable(Animal.select(Animal.c.Legs > 10))) == 2 assert len(fulltable(Animal.select(Animal.c.Lifespan > 70))) == 2 assert len(fulltable(Animal.select(Animal.c.Species.startswith(u'L')))) == 2 assert len(fulltable(Animal.select(Animal.c.Species.endswith(u'pede')))) == 2 assert len(fulltable(Animal.select(Animal.c.LastEscape != None))) == 1 assert len(fulltable(Animal.select(None == Animal.c.LastEscape ))) == ITERATIONS + 11 # In operator (containedby) assert len(fulltable(Animal.select(Animal.c.Species.like(u'%pede%')))) == 2 assert len(fulltable(Animal.select(Animal.c.Species.in_(u'Lion', u'Tiger', u'Bear')))) == 3 # Try In with cell references class thing(object): pass pet, pet2 = thing(), thing() pet.Name, pet2.Name =u'Slug', u'Ostrich' assert len(fulltable(Animal.select(Animal.c.Species.in_(pet.Name, pet2.Name)))) == 2 # logic and other functions assert len(fulltable(Animal.select(Animal.c.Species.op('ilike')(u'slug')))) == 1 assert len(fulltable(Animal.select(Animal.c.Species.op('ilike')(u'%PEDE%')))) == 2 name =u'Lion' assert len(fulltable(Animal.select(func.length(Animal.c.Species) == len(name) ))) == ITERATIONS + 3 assert len(fulltable(Animal.select(Animal.c.Species.like(u'%i%') ))) == ITERATIONS + 7 # Test now(), today(), year(), month(), day() assert len(fulltable(Zoo.select(Zoo.c.Founded != None and Zoo.c.Founded < func.now()))) == 3 assert len(fulltable(Animal.select(Animal.c.LastEscape == func.now()))) == 0 assert len(fulltable(Animal.select(func.date_part('year', Animal.c.LastEscape) == 2004))) == 1 assert len(fulltable(Animal.select(func.date_part('month', Animal.c.LastEscape) == 12))) == 1 assert len(fulltable(Animal.select(func.date_part('day', Animal.c.LastEscape) == 21))) == 1 def step_5_Aggregates(self): Animal = metadata.tables['Animal'] Zoo = metadata.tables['Zoo'] for x in xrange(ITERATIONS): # views view = select([Animal.c.Legs]).execute().fetchall() legs = [x[0] for x in view] legs.sort() expected = {'Leopard': 73.5, 'Slug': .75, 'Tiger': None, 'Lion': None, 'Bear': None, 'Ostrich': 103.2, 'Centipede': None, 'Emperor Penguin': None, 'Adelie Penguin': None, 'Millipede': None, 'Ape': None, 'Tick': None, } for species, lifespan in select([Animal.c.Species, Animal.c.Lifespan] ).execute().fetchall(): assert lifespan == expected[species] expected = [u'Montr\xe9al Biod\xf4me', 'Wild Animal Park'] # changed "func.now()" to be in-python function like the Storm test e = select([Zoo.c.Name], and_(Zoo.c.Founded != None, Zoo.c.Founded <= datetime.date.today(), Zoo.c.Founded >= datetime.date(1990, 1, 1))) values = [val[0] for val in e.execute().fetchall()] assert set(values) == set(expected) # distinct legs = [x[0] for x in select([Animal.c.Legs], distinct=True).execute().fetchall()] legs.sort() def step_6_Editing(self): Zoo = metadata.tables['Zoo'] for x in xrange(ITERATIONS): # Edit SDZ = Zoo.select(Zoo.c.Name==u'San Diego Zoo').execute().fetchone() Zoo.update(Zoo.c.ID==SDZ['ID']).execute( Name=u'The San Diego Zoo', Founded = datetime.date(1900, 1, 1), Opens = datetime.time(7, 30, 0), Admission = "35.00") # Test edits SDZ = Zoo.select(Zoo.c.Name==u'The San Diego Zoo').execute().fetchone() assert SDZ['Founded'] == datetime.date(1900, 1, 1), SDZ['Founded'] # Change it back Zoo.update(Zoo.c.ID==SDZ['ID']).execute( Name =u'San Diego Zoo', Founded = datetime.date(1835, 9, 13), Opens = datetime.time(9, 0, 0), Admission = "0") # Test re-edits SDZ = Zoo.select(Zoo.c.Name==u'San Diego Zoo').execute().fetchone() assert SDZ['Founded'] == datetime.date(1835, 9, 13) def step_7_Multiview(self): Zoo = metadata.tables['Zoo'] Animal = metadata.tables['Animal'] def fulltable(select): """Iterate over the full result table.""" return [list(row) for row in select.execute().fetchall()] for x in xrange(ITERATIONS): za = fulltable(select([Zoo.c.ID] + list(Animal.c), Zoo.c.Name == u'San Diego Zoo', from_obj = [join(Zoo, Animal)])) SDZ = Zoo.select(Zoo.c.Name==u'San Diego Zoo') e = fulltable(select([Zoo.c.ID, Animal.c.ID], and_(Zoo.c.Name==u'San Diego Zoo', Animal.c.Species==u'Leopard'), from_obj = [join(Zoo, Animal)])) # Now try the same query with INNER, LEFT, and RIGHT JOINs. e = fulltable(select([Zoo.c.Name, Animal.c.Species], from_obj=[join(Zoo, Animal)])) e = fulltable(select([Zoo.c.Name, Animal.c.Species], from_obj=[outerjoin(Zoo, Animal)])) e = fulltable(select([Zoo.c.Name, Animal.c.Species], from_obj=[outerjoin(Animal, Zoo)]))