def test_rollback(self):
cmy1 = MySQL(buffered=True)
cmy1.connect(**self.connect_kwargs)
cmy2 = MySQL(buffered=True)
cmy2.connect(**self.connect_kwargs)
table = "commit_test"
cmy1.query("DROP TABLE IF EXISTS {0}".format(table))
cmy1.query("CREATE TABLE {0} (c1 INT)".format(table))
cmy1.query("START TRANSACTION")
cmy1.query("INSERT INTO {0} (c1) VALUES "
"(1), (2), (3)".format(table))
cmy1.commit()
cmy2.query("SELECT * FROM {0}".format(table))
self.assertEqual([(1,), (2,), (3,)], fetch_rows(cmy2))
cmy1.query("START TRANSACTION")
cmy1.query("INSERT INTO {0} (c1) VALUES "
"(4), (5), (6)".format(table))
cmy1.rollback()
cmy2.query("SELECT * FROM {0}".format(table))
self.assertEqual(3, cmy2.num_rows())
cmy1.query("DROP TABLE IF EXISTS {0}".format(table))
def test_rollback(self):
cmy1 = MySQL(buffered=True)
cmy1.connect(**self.connect_kwargs)
cmy2 = MySQL(buffered=True)
cmy2.connect(**self.connect_kwargs)
table = "commit_test"
cmy1.query("DROP TABLE IF EXISTS {0}".format(table))
cmy1.query("CREATE TABLE {0} (c1 INT)".format(table))
cmy1.query("START TRANSACTION")
cmy1.query("INSERT INTO {0} (c1) VALUES "
"(1), (2), (3)".format(table))
cmy1.commit()
cmy2.query("SELECT * FROM {0}".format(table))
self.assertEqual([(1, ), (2, ), (3, )], fetch_rows(cmy2))
cmy1.query("START TRANSACTION")
cmy1.query("INSERT INTO {0} (c1) VALUES "
"(4), (5), (6)".format(table))
cmy1.rollback()
cmy2.query("SELECT * FROM {0}".format(table))
self.assertEqual(3, cmy2.num_rows())
cmy1.query("DROP TABLE IF EXISTS {0}".format(table))
