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import testenv; testenv.configure_for_tests()
import re
from sqlalchemy import *
from sqlalchemy.orm import *
from sqlalchemy import exceptions
from sqlalchemy.sql import table, column
from sqlalchemy.databases import mssql
from testlib import *
class CompileTest(SQLCompileTest):
__dialect__ = mssql.MSSQLDialect()
def test_insert(self):
t = table('sometable', column('somecolumn'))
self.assert_compile(t.insert(), "INSERT INTO sometable (somecolumn) VALUES (:somecolumn)")
def test_update(self):
t = table('sometable', column('somecolumn'))
self.assert_compile(t.update(t.c.somecolumn==7), "UPDATE sometable SET somecolumn=:somecolumn WHERE sometable.somecolumn = :sometable_somecolumn_1", dict(somecolumn=10))
def test_count(self):
t = table('sometable', column('somecolumn'))
self.assert_compile(t.count(), "SELECT count(sometable.somecolumn) AS tbl_row_count FROM sometable")
def test_noorderby_insubquery(self):
"""test that the ms-sql dialect removes ORDER BY clauses from subqueries"""
table1 = table('mytable',
column('myid', Integer),
column('name', String),
column('description', String),
)
q = select([table1.c.myid], order_by=[table1.c.myid]).alias('foo')
crit = q.c.myid == table1.c.myid
self.assert_compile(select(['*'], crit), """SELECT * FROM (SELECT mytable.myid AS myid FROM mytable) AS foo, mytable WHERE foo.myid = mytable.myid""")
def test_aliases_schemas(self):
metadata = MetaData()
table1 = table('mytable',
column('myid', Integer),
column('name', String),
column('description', String),
)
table4 = Table(
'remotetable', metadata,
Column('rem_id', Integer, primary_key=True),
Column('datatype_id', Integer),
Column('value', String(20)),
schema = 'remote_owner'
)
self.assert_compile(table4.select(), "SELECT remotetable_1.rem_id, remotetable_1.datatype_id, remotetable_1.value FROM remote_owner.remotetable AS remotetable_1")
self.assert_compile(table1.join(table4, table1.c.myid==table4.c.rem_id).select(), "SELECT mytable.myid, mytable.name, mytable.description, remotetable_1.rem_id, remotetable_1.datatype_id, remotetable_1.value FROM mytable JOIN remote_owner.remotetable AS remotetable_1 ON remotetable_1.rem_id = mytable.myid")
def test_delete_schema(self):
metadata = MetaData()
tbl = Table('test', metadata, Column('id', Integer, primary_key=True), schema='paj')
self.assert_compile(tbl.delete(tbl.c.id == 1), "DELETE FROM paj.test WHERE paj.test.id = :test_id_1")
def test_union(self):
t1 = table('t1',
column('col1'),
column('col2'),
column('col3'),
column('col4')
)
t2 = table('t2',
column('col1'),
column('col2'),
column('col3'),
column('col4'))
(s1, s2) = (
select([t1.c.col3.label('col3'), t1.c.col4.label('col4')], t1.c.col2.in_(["t1col2r1", "t1col2r2"])),
select([t2.c.col3.label('col3'), t2.c.col4.label('col4')], t2.c.col2.in_(["t2col2r2", "t2col2r3"]))
)
u = union(s1, s2, order_by=['col3', 'col4'])
self.assert_compile(u, "SELECT t1.col3 AS col3, t1.col4 AS col4 FROM t1 WHERE t1.col2 IN (:t1_col2_1, :t1_col2_2) "\
"UNION SELECT t2.col3 AS col3, t2.col4 AS col4 FROM t2 WHERE t2.col2 IN (:t2_col2_1, :t2_col2_2) ORDER BY col3, col4")
self.assert_compile(u.alias('bar').select(), "SELECT bar.col3, bar.col4 FROM (SELECT t1.col3 AS col3, t1.col4 AS col4 FROM t1 WHERE "\
"t1.col2 IN (:t1_col2_1, :t1_col2_2) UNION SELECT t2.col3 AS col3, t2.col4 AS col4 FROM t2 WHERE t2.col2 IN (:t2_col2_1, :t2_col2_2)) AS bar")
def test_function(self):
self.assert_compile(func.foo(1, 2), "foo(:foo_1, :foo_2)")
self.assert_compile(func.current_time(), "CURRENT_TIME")
self.assert_compile(func.foo(), "foo()")
m = MetaData()
t = Table('sometable', m, Column('col1', Integer), Column('col2', Integer))
self.assert_compile(select([func.max(t.c.col1)]), "SELECT max(sometable.col1) AS max_1 FROM sometable")
class ReflectionTest(PersistTest):
__only_on__ = 'mssql'
def testidentity(self):
meta = MetaData(testing.db)
table = Table(
'identity_test', meta,
Column('col1', Integer, Sequence('fred', 2, 3), primary_key=True)
)
table.create()
meta2 = MetaData(testing.db)
try:
table2 = Table('identity_test', meta2, autoload=True)
assert table2.c['col1'].sequence.start == 2
assert table2.c['col1'].sequence.increment == 3
finally:
table.drop()
class QueryTest(PersistTest):
__only_on__ = 'mssql'
def test_fetchid_trigger(self):
meta = MetaData(testing.db)
t1 = Table('t1', meta,
Column('id', Integer, Sequence('fred', 100, 1), primary_key=True),
Column('descr', String(200)))
t2 = Table('t2', meta,
Column('id', Integer, Sequence('fred', 200, 1), primary_key=True),
Column('descr', String(200)))
meta.create_all()
con = testing.db.connect()
con.execute("""create trigger paj on t1 for insert as
insert into t2 (descr) select descr from inserted""")
try:
tr = con.begin()
r = con.execute(t2.insert(), descr='hello')
self.assert_(r.last_inserted_ids() == [200])
r = con.execute(t1.insert(), descr='hello')
self.assert_(r.last_inserted_ids() == [100])
finally:
tr.commit()
con.execute("""drop trigger paj""")
meta.drop_all()
def test_insertid_schema(self):
meta = MetaData(testing.db)
con = testing.db.connect()
con.execute('create schema paj')
tbl = Table('test', meta, Column('id', Integer, primary_key=True), schema='paj')
tbl.create()
try:
tbl.insert().execute({'id':1})
finally:
tbl.drop()
con.execute('drop schema paj')
def test_delete_schema(self):
meta = MetaData(testing.db)
con = testing.db.connect()
con.execute('create schema paj')
tbl = Table('test', meta, Column('id', Integer, primary_key=True), schema='paj')
tbl.create()
try:
tbl.insert().execute({'id':1})
tbl.delete(tbl.c.id == 1).execute()
finally:
tbl.drop()
con.execute('drop schema paj')
def test_insertid_reserved(self):
meta = MetaData(testing.db)
table = Table(
'select', meta,
Column('col', Integer, primary_key=True)
)
table.create()
meta2 = MetaData(testing.db)
try:
table.insert().execute(col=7)
finally:
table.drop()
def test_select_limit_nooffset(self):
metadata = MetaData(testing.db)
users = Table('query_users', metadata,
Column('user_id', INT, primary_key = True),
Column('user_name', VARCHAR(20)),
)
addresses = Table('query_addresses', metadata,
Column('address_id', Integer, primary_key=True),
Column('user_id', Integer, ForeignKey('query_users.user_id')),
Column('address', String(30)))
metadata.create_all()
try:
try:
r = users.select(limit=3, offset=2,
order_by=[users.c.user_id]).execute().fetchall()
assert False # InvalidRequestError should have been raised
except exceptions.InvalidRequestError:
pass
finally:
metadata.drop_all()
class Foo(object):
def __init__(self, **kw):
for k in kw:
setattr(self, k, kw[k])
class GenerativeQueryTest(PersistTest):
__only_on__ = 'mssql'
def setUpAll(self):
global foo, metadata
metadata = MetaData(testing.db)
foo = Table('foo', metadata,
Column('id', Integer, Sequence('foo_id_seq'),
primary_key=True),
Column('bar', Integer),
Column('range', Integer))
mapper(Foo, foo)
metadata.create_all()
sess = create_session(bind=testing.db)
for i in range(100):
sess.save(Foo(bar=i, range=i%10))
sess.flush()
def tearDownAll(self):
metadata.drop_all()
clear_mappers()
def test_slice_mssql(self):
sess = create_session(bind=testing.db)
query = sess.query(Foo)
orig = query.all()
assert list(query[:10]) == orig[:10]
assert list(query[:10]) == orig[:10]
if __name__ == "__main__":
testenv.main()
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