from __future__ import unicode_literals """Benchmark for SQLAlchemy. An adaptation of Robert Brewers' ZooMark speed tests. """ import datetime from sqlalchemy import Table, Column, Integer, Unicode, Date, \ DateTime, Time, Float, Sequence, ForeignKey, \ select, and_, func from sqlalchemy.orm import mapper from sqlalchemy.testing import replay_fixture ITERATIONS = 1 Zoo = Animal = session = None class ZooMarkTest(replay_fixture.ReplayFixtureTest): """Runs the ZooMark and squawks if method counts vary from the norm. """ __requires__ = 'cpython', __only_on__ = 'postgresql+psycopg2' def _run_steps(self, ctx): with ctx(): self._baseline_1a_populate() with ctx(): self._baseline_2_insert() with ctx(): self._baseline_3_properties() with ctx(): self._baseline_4_expressions() with ctx(): self._baseline_5_aggregates() with ctx(): self._baseline_6_editing() def setup_engine(self): self._baseline_1_create_tables() def teardown_engine(self): self._baseline_7_drop() def _baseline_1_create_tables(self): zoo = Table( 'Zoo', self.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), ) animal = Table( 'Animal', self.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), ) self.metadata.create_all() global Zoo, Animal class Zoo(object): def __init__(self, **kwargs): for k, v in kwargs.items(): setattr(self, k, v) class Animal(object): def __init__(self, **kwargs): for k, v in kwargs.items(): setattr(self, k, v) mapper(Zoo, zoo) mapper(Animal, animal) def _baseline_1a_populate(self): wap = Zoo( Name='Wild Animal Park', Founded=datetime.date( 2000, 1, 1), Opens=datetime.time( 8, 15, 59), LastEscape=datetime.datetime( 2004, 7, 29, 5, 6, 7, ), Admission=4.95) self.session.add(wap) sdz = Zoo( Name='San Diego Zoo', Founded=datetime.date( 1835, 9, 13), Opens=datetime.time( 9, 0, 0), Admission=0) self.session.add(sdz) bio = Zoo(Name='Montr\xe9al Biod\xf4me', Founded=datetime.date(1992, 6, 19), Opens=datetime.time(9, 0, 0), Admission=11.75) self.session.add(bio) seaworld = Zoo(Name='Sea_World', Admission=60) self.session.add(seaworld) # Let's add a crazy futuristic Zoo to test large date values. lp = Zoo(Name='Luna Park', Founded=datetime.date(2072, 7, 17), Opens=datetime.time(0, 0, 0), Admission=134.95) self.session.add(lp) # Animals leopard = Animal(Species='Leopard', Lifespan=73.5) self.session.add(leopard) leopard.ZooID = wap.ID leopard.LastEscape = \ datetime.datetime(2004, 12, 21, 8, 15, 0, 999907, ) self.session.add(Animal(Species='Lion', ZooID=wap.ID)) self.session.add(Animal(Species='Slug', Legs=1, Lifespan=.75)) self.session.add(Animal(Species='Tiger', ZooID=sdz.ID)) # Override Legs.default with itself just to make sure it works. self.session.add(Animal(Species='Bear', Legs=4)) self.session.add(Animal(Species='Ostrich', Legs=2, Lifespan=103.2)) self.session.add(Animal(Species='Centipede', Legs=100)) self.session.add(Animal(Species='Emperor Penguin', Legs=2, ZooID=seaworld.ID)) self.session.add(Animal(Species='Adelie Penguin', Legs=2, ZooID=seaworld.ID)) self.session.add(Animal(Species='Millipede', Legs=1000000, ZooID=sdz.ID)) # Add a mother and child to test relationships bai_yun = Animal(Species='Ape', Nameu='Bai Yun', Legs=2) self.session.add(bai_yun) self.session.add(Animal(Species='Ape', Name='Hua Mei', Legs=2, MotherID=bai_yun.ID)) self.session.commit() def _baseline_2_insert(self): for x in range(ITERATIONS): self.session.add(Animal(Species='Tick', Name='Tick %d' % x, Legs=8)) self.session.flush() def _baseline_3_properties(self): for x in range(ITERATIONS): # Zoos list(self.session.query(Zoo).filter( Zoo.Name == 'Wild Animal Park')) list( self.session.query(Zoo).filter( Zoo.Founded == datetime.date( 1835, 9, 13))) list( self.session.query(Zoo).filter( Zoo.Name == 'Montr\xe9al Biod\xf4me')) list(self.session.query(Zoo).filter(Zoo.Admission == float(60))) # Animals list(self.session.query(Animal).filter( Animal.Species == 'Leopard')) list(self.session.query(Animal).filter( Animal.Species == 'Ostrich')) list(self.session.query(Animal).filter( Animal.Legs == 1000000)) list(self.session.query(Animal).filter( Animal.Species == 'Tick')) def _baseline_4_expressions(self): for x in range(ITERATIONS): assert len(list(self.session.query(Zoo))) == 5 assert len(list(self.session.query(Animal))) == ITERATIONS + 12 assert len(list(self.session.query(Animal).filter(Animal.Legs == 4))) == 4 assert len(list(self.session.query(Animal).filter(Animal.Legs == 2))) == 5 assert len( list( self.session.query(Animal).filter( and_( Animal.Legs >= 2, Animal.Legs < 20)))) == ITERATIONS + 9 assert len(list(self.session.query(Animal).filter(Animal.Legs > 10))) == 2 assert len(list(self.session.query(Animal).filter(Animal.Lifespan > 70))) == 2 assert len(list(self.session.query(Animal). filter(Animal.Species.like('L%')))) == 2 assert len(list(self.session.query(Animal). filter(Animal.Species.like('%pede')))) == 2 assert len(list(self.session.query(Animal).filter(Animal.LastEscape != None))) == 1 assert len( list( self.session.query(Animal).filter( Animal.LastEscape == None))) == ITERATIONS + 11 # In operator (containedby) assert len(list(self.session.query(Animal).filter( Animal.Species.like('%pede%')))) == 2 assert len( list( self.session.query(Animal). filter( Animal.Species.in_( ('Lion', 'Tiger', 'Bear'))))) == 3 # Try In with cell references class thing(object): pass pet, pet2 = thing(), thing() pet.Name, pet2.Name = 'Slug', 'Ostrich' assert len(list(self.session.query(Animal). filter(Animal.Species.in_((pet.Name, pet2.Name))))) == 2 # logic and other functions name = 'Lion' assert len(list(self.session.query(Animal). filter(func.length(Animal.Species) == len(name)))) == ITERATIONS + 3 assert len(list(self.session.query(Animal). filter(Animal.Species.like('%i%' )))) == ITERATIONS + 7 # Test now(), today(), year(), month(), day() assert len( list( self.session.query(Zoo).filter( and_( Zoo.Founded != None, Zoo.Founded < func.now())))) == 3 assert len(list(self.session.query(Animal).filter(Animal.LastEscape == func.now()))) == 0 assert len(list(self.session.query(Animal).filter( func.date_part('year', Animal.LastEscape) == 2004))) == 1 assert len( list( self.session.query(Animal). filter( func.date_part( 'month', Animal.LastEscape) == 12))) == 1 assert len(list(self.session.query(Animal).filter( func.date_part('day', Animal.LastEscape) == 21))) == 1 def _baseline_5_aggregates(self): Animal = self.metadata.tables['Animal'] Zoo = self.metadata.tables['Zoo'] # TODO: convert to ORM engine = self.metadata.bind for x in range(ITERATIONS): # views view = engine.execute(select([Animal.c.Legs])).fetchall() legs = sorted([x[0] for x in view]) 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 engine.execute( select([Animal.c.Species, Animal.c.Lifespan])).fetchall(): assert lifespan == expected[species] expected = ['Montr\xe9al Biod\xf4me', 'Wild Animal Park'] e = select([Zoo.c.Name], and_(Zoo.c.Founded != None, Zoo.c.Founded <= func.current_timestamp(), Zoo.c.Founded >= datetime.date(1990, 1, 1))) values = [val[0] for val in engine.execute(e).fetchall()] assert set(values) == set(expected) # distinct legs = [ x[0] for x in engine.execute( select([Animal.c.Legs], distinct=True)).fetchall()] legs.sort() def _baseline_6_editing(self): for x in range(ITERATIONS): # Edit SDZ = self.session.query(Zoo).filter(Zoo.Name == 'San Diego Zoo' ).one() SDZ.Name = 'The San Diego Zoo' SDZ.Founded = datetime.date(1900, 1, 1) SDZ.Opens = datetime.time(7, 30, 0) SDZ.Admission = 35.00 # Test edits SDZ = self.session.query(Zoo).filter(Zoo.Name == 'The San Diego Zoo').one() assert SDZ.Founded == datetime.date(1900, 1, 1), SDZ.Founded # Change it back SDZ.Name = 'San Diego Zoo' SDZ.Founded = datetime.date(1835, 9, 13) SDZ.Opens = datetime.time(9, 0, 0) SDZ.Admission = 0 # Test re-edits SDZ = self.session.query(Zoo).filter(Zoo.Name == 'San Diego Zoo' ).one() assert SDZ.Founded == datetime.date(1835, 9, 13), \ SDZ.Founded def _baseline_7_drop(self): self.session.rollback() self.metadata.drop_all()