class ReflectionTest(PersistTest):
def testbasic(self):
use_function_defaults = testbase.db.engine.name == 'postgres' or testbase.db.engine.name == 'oracle'
-
+
use_string_defaults = use_function_defaults or testbase.db.engine.__module__.endswith('sqlite')
if use_function_defaults:
else:
deftype2, deftype3 = Integer, Integer
defval2, defval3 = "15", "16"
-
+
meta = MetaData(testbase.db)
-
+
users = Table('engine_users', meta,
Column('user_id', INT, primary_key = True),
Column('user_name', VARCHAR(20), nullable = False),
try:
addresses = Table('engine_email_addresses', meta, autoload = True)
- # reference the addresses foreign key col, which will require users to be
+ # reference the addresses foreign key col, which will require users to be
# reflected at some point
users = Table('engine_users', meta, autoload = True)
assert users.c.user_id in users.primary_key
finally:
addresses.drop()
users.drop()
-
+
# a hack to remove the defaults we got reflecting from postgres
# SERIAL columns, since they reference sequences that were just dropped.
# PG 8.1 doesnt want to create them if the underlying sequence doesnt exist
users.c.user_id.default = None
addresses.c.address_id.default = None
-
+
users.create()
addresses.create()
try:
finally:
addresses.drop()
users.drop()
-
+
def testoverridecolumns(self):
"""test that you can override columns which contain foreign keys to other reflected tables"""
meta = MetaData(testbase.db)
- users = Table('users', meta,
+ users = Table('users', meta,
Column('id', Integer, primary_key=True),
Column('name', String(30)))
addresses = Table('addresses', meta,
Column('id', Integer, primary_key=True),
Column('street', String(30)),
Column('user_id', Integer))
-
- meta.create_all()
+
+ meta.create_all()
try:
meta2 = MetaData(testbase.db)
- a2 = Table('addresses', meta2,
+ a2 = Table('addresses', meta2,
Column('user_id', Integer, ForeignKey('users.id')),
autoload=True)
u2 = Table('users', meta2, autoload=True)
-
+
assert len(a2.c.user_id.foreign_keys)>0
assert list(a2.c.user_id.foreign_keys)[0].parent is a2.c.user_id
assert u2.join(a2).onclause == u2.c.id==a2.c.user_id
meta3 = MetaData(testbase.db)
u3 = Table('users', meta3, autoload=True)
- a3 = Table('addresses', meta3,
+ a3 = Table('addresses', meta3,
Column('user_id', Integer, ForeignKey('users.id')),
autoload=True)
-
+
assert u3.join(a3).onclause == u3.c.id==a3.c.user_id
meta4 = MetaData(testbase.db)
"""test that you can override columns which contain foreign keys to other reflected tables,
where the foreign key column is also a primary key column"""
meta = MetaData(testbase.db)
- users = Table('users', meta,
+ users = Table('users', meta,
Column('id', Integer, primary_key=True),
Column('name', String(30)))
addresses = Table('addresses', meta,
Column('street', String(30)))
- meta.create_all()
+ meta.create_all()
try:
meta2 = MetaData(testbase.db)
- a2 = Table('addresses', meta2,
+ a2 = Table('addresses', meta2,
Column('id', Integer, ForeignKey('users.id'), primary_key=True, ),
autoload=True)
u2 = Table('users', meta2, autoload=True)
#sess = create_session()
#sess.save(add1)
#sess.flush()
-
+
meta3 = MetaData(testbase.db)
u3 = Table('users', meta3, autoload=True)
- a3 = Table('addresses', meta3,
+ a3 = Table('addresses', meta3,
Column('id', Integer, ForeignKey('users.id'), primary_key=True),
autoload=True)
finally:
meta.drop_all()
-
+
@testbase.supported('mysql')
def testmysqltypes(self):
meta1 = MetaData(testbase.db)
t2.create()
finally:
table.drop(checkfirst=True)
-
-
+
+
def test_pks_not_uniques(self):
"""test that primary key reflection not tripped up by unique indexes"""
testbase.db.execute("""
CREATE TABLE book (
id INTEGER NOT NULL,
title VARCHAR(100) NOT NULL,
- series INTEGER NULL,
- series_id INTEGER NULL,
+ series INTEGER,
+ series_id INTEGER,
UNIQUE(series, series_id),
PRIMARY KEY(id)
)""")
id INTEGER NOT NULL,
isbn VARCHAR(50) NOT NULL,
title VARCHAR(100) NOT NULL,
- series INTEGER NULL,
- series_id INTEGER NULL,
+ series INTEGER,
+ series_id INTEGER,
UNIQUE(series, series_id),
PRIMARY KEY(id, isbn)
)""")
assert len(book.primary_key) == 2
finally:
testbase.db.execute("drop table book")
-
+
@testbase.supported('sqlite')
def test_goofy_sqlite(self):
"""test autoload of table where quotes were used with all the colnames. quirky in sqlite."""
"""test reflection of composite foreign keys"""
meta = MetaData(testbase.db)
table = Table(
- 'multi', meta,
+ 'multi', meta,
Column('multi_id', Integer, primary_key=True),
Column('multi_rev', Integer, primary_key=True),
Column('multi_hoho', Integer, primary_key=True),
Column('val', String(100)),
mysql_engine='InnoDB'
)
- table2 = Table('multi2', meta,
+ table2 = Table('multi2', meta,
Column('id', Integer, primary_key=True),
Column('foo', Integer),
Column('bar', Integer),
assert table.c.multi_hoho
meta.create_all()
meta.clear()
-
+
try:
table = Table('multi', meta, autoload=True)
table2 = Table('multi2', meta, autoload=True)
-
+
print table
print table2
j = join(table, table2)
finally:
meta.drop_all()
-
+
def test_to_metadata(self):
meta = MetaData()
-
+
table = Table('mytable', meta,
Column('myid', Integer, primary_key=True),
Column('name', String(40), nullable=False),
UniqueConstraint('name'),
mysql_engine='InnoDB'
)
-
+
table2 = Table('othertable', meta,
Column('id', Integer, primary_key=True),
Column('myid', Integer, ForeignKey('mytable.myid')),
mysql_engine='InnoDB'
)
-
+
def test_to_metadata():
meta2 = MetaData()
table_c = table.tometadata(meta2)
table2_c = table2.tometadata(meta2)
return (table_c, table2_c)
-
+
def test_pickle():
meta.connect(testbase.db)
meta2 = pickle.loads(pickle.dumps(meta))
assert meta3.engine is None
assert meta3.tables['mytable'] is not t1
return (meta3.tables['mytable'], meta3.tables['othertable'])
-
- meta.create_all(testbase.db)
+
+ meta.create_all(testbase.db)
try:
for test, has_constraints in ((test_to_metadata, True), (test_pickle, True), (test_pickle_via_reflect, False)):
table_c, table2_c = test()
assert table is not table_c
assert table_c.c.myid.primary_key
- assert not table_c.c.name.nullable
- assert table_c.c.description.nullable
+ assert not table_c.c.name.nullable
+ assert table_c.c.description.nullable
assert table.primary_key is not table_c.primary_key
assert [x.name for x in table.primary_key] == [x.name for x in table_c.primary_key]
assert list(table2_c.c.myid.foreign_keys)[0].column is table_c.c.myid
assert list(table2_c.c.myid.foreign_keys)[0].column is not table.c.myid
-
+
# constraints dont get reflected for any dialect right now
if has_constraints:
for c in table_c.c.description.constraints:
else:
assert False
assert c.sqltext=="description='hi'"
-
+
for c in table_c.constraints:
if isinstance(c, UniqueConstraint):
break
assert not c.columns.contains_column(table.c.name)
finally:
meta.drop_all(testbase.db)
-
- # mysql throws its own exception for no such table, resulting in
+
+ # mysql throws its own exception for no such table, resulting in
# a sqlalchemy.SQLError instead of sqlalchemy.NoSuchTableError.
# this could probably be fixed at some point.
- @testbase.unsupported('mysql')
+ @testbase.unsupported('mysql')
def test_nonexistent(self):
self.assertRaises(NoSuchTableError, Table,
'fake_table',
testbase.db, autoload=True)
-
+
def testoverride(self):
meta = MetaData(testbase.db)
table = Table(
- 'override_test', meta,
+ 'override_test', meta,
Column('col1', Integer, primary_key=True),
Column('col2', String(20)),
Column('col3', Numeric)
'override_test', meta2,
Column('col2', Unicode()),
Column('col4', String(30)), autoload=True)
-
+
print repr(table)
self.assert_(isinstance(table.c.col1.type, Integer))
self.assert_(isinstance(table.c.col2.type, Unicode))
def testidentity(self):
meta = MetaData(testbase.db)
table = Table(
- 'identity_test', meta,
+ 'identity_test', meta,
Column('col1', Integer, Sequence('fred', 2, 3), primary_key=True)
)
table.create()
-
+
meta2 = MetaData(testbase.db)
try:
table2 = Table('identity_test', meta2, autoload=True)
def testreserved(self):
# check a table that uses an SQL reserved name doesn't cause an error
meta = MetaData(testbase.db)
- table_a = Table('select', meta,
+ table_a = Table('select', meta,
Column('not', Integer, primary_key=True),
Column('from', String(12), nullable=False),
UniqueConstraint('from', name='when'))
Index('where', table_a.c['from'])
- quoter = meta.bind.dialect.identifier_preparer.quote_identifier
+ if testbase.db.engine.name == 'firebird':
+ # Firebird doesn't like creating the constraint with 'true' column
+ # quoted, when this column was created without quotes
+ # it will work with one of these 2 syntaxes:
+ #
+ # CONSTRAINT limit CHECK (true <> 1)
+ # CONSTRAINT limit CHECK ('TRUE' <> 1)
+ #
+ # for now, I'll use the 1st option
+ quoter = lambda x: x
+ else:
+ quoter = meta.bind.dialect.identifier_preparer.quote_identifier
table_b = Table('false', meta,
Column('create', Integer, primary_key=True),
meta.create_all()
index_c.drop()
-
+
meta2 = MetaData(testbase.db)
try:
table_a2 = Table('select', meta2, autoload=True)
meta = MetaData(testbase.db)
table = Table(
- 'select', meta,
+ 'select', meta,
Column('col1', Integer, primary_key=True)
)
table.create()
-
+
meta2 = MetaData(testbase.db)
try:
table2 = Table('select', meta2, autoload=True)
Column('address_id', Integer, Sequence('address_id_seq', optional=True), primary_key = True),
Column('user_id', Integer, ForeignKey(users.c.user_id)),
Column('email_address', String(40)),
-
+
)
orders = Table('orders', metadata,
Column('user_id', Integer, ForeignKey(users.c.user_id)),
Column('description', String(50)),
Column('isopen', Integer),
-
+
)
orderitems = Table('items', metadata,
Column('item_id', INT, Sequence('items_id_seq', optional=True), primary_key = True),
Column('order_id', INT, ForeignKey("orders")),
Column('item_name', VARCHAR(50)),
-
+
)
def test_sorter( self ):
def test_createdrop(self):
metadata.create_all(connectable=testbase.db)
self.assertEqual( testbase.db.has_table('items'), True )
- self.assertEqual( testbase.db.has_table('email_addresses'), True )
+ self.assertEqual( testbase.db.has_table('email_addresses'), True )
metadata.create_all(connectable=testbase.db)
- self.assertEqual( testbase.db.has_table('items'), True )
+ self.assertEqual( testbase.db.has_table('items'), True )
metadata.drop_all(connectable=testbase.db)
self.assertEqual( testbase.db.has_table('items'), False )
- self.assertEqual( testbase.db.has_table('email_addresses'), False )
+ self.assertEqual( testbase.db.has_table('email_addresses'), False )
metadata.drop_all(connectable=testbase.db)
- self.assertEqual( testbase.db.has_table('items'), False )
+ self.assertEqual( testbase.db.has_table('items'), False )
class SchemaTest(PersistTest):
# this test should really be in the sql tests somewhere, not engine
@testbase.unsupported('sqlite')
def testiteration(self):
metadata = MetaData()
- table1 = Table('table1', metadata,
+ table1 = Table('table1', metadata,
Column('col1', Integer, primary_key=True),
schema='someschema')
- table2 = Table('table2', metadata,
+ table2 = Table('table2', metadata,
Column('col1', Integer, primary_key=True),
Column('col2', Integer, ForeignKey('someschema.table1.col1')),
schema='someschema')
assert buf.index("CREATE TABLE someschema.table1") > -1
assert buf.index("CREATE TABLE someschema.table2") > -1
- @testbase.unsupported('sqlite', 'postgres')
+ @testbase.unsupported('sqlite', 'postgres', 'firebird')
def test_create_with_defaultschema(self):
engine = testbase.db
schema = engine.dialect.get_default_schema_name(engine)
# test reflection of tables with an explcit schemaname
# matching the default
metadata = MetaData(testbase.db)
- table1 = Table('table1', metadata,
+ table1 = Table('table1', metadata,
Column('col1', Integer, primary_key=True),
schema=schema)
- table2 = Table('table2', metadata,
+ table2 = Table('table2', metadata,
Column('col1', Integer, primary_key=True),
Column('col2', Integer, ForeignKey('%s.table1.col1' % schema)),
schema=schema)
assert table1.schema == table2.schema == schema
assert len(metadata.tables) == 2
metadata.drop_all()
-
-
+
+
if __name__ == "__main__":
- testbase.main()
-
+ testbase.main()
+
projects / thirdparty / sqlalchemy / sqlalchemy.git / commitdiff
