368 lines
12 KiB
Python
368 lines
12 KiB
Python
from .. import fixtures, config
|
|
from ..config import requirements
|
|
from .. import exclusions
|
|
from ..assertions import eq_
|
|
from .. import engines
|
|
from ... import testing
|
|
|
|
from sqlalchemy import Integer, String, select, util, sql, DateTime, text, func
|
|
import datetime
|
|
from ..schema import Table, Column
|
|
|
|
|
|
class RowFetchTest(fixtures.TablesTest):
|
|
__backend__ = True
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
Table('plain_pk', metadata,
|
|
Column('id', Integer, primary_key=True),
|
|
Column('data', String(50))
|
|
)
|
|
Table('has_dates', metadata,
|
|
Column('id', Integer, primary_key=True),
|
|
Column('today', DateTime)
|
|
)
|
|
|
|
@classmethod
|
|
def insert_data(cls):
|
|
config.db.execute(
|
|
cls.tables.plain_pk.insert(),
|
|
[
|
|
{"id": 1, "data": "d1"},
|
|
{"id": 2, "data": "d2"},
|
|
{"id": 3, "data": "d3"},
|
|
]
|
|
)
|
|
|
|
config.db.execute(
|
|
cls.tables.has_dates.insert(),
|
|
[
|
|
{"id": 1, "today": datetime.datetime(2006, 5, 12, 12, 0, 0)}
|
|
]
|
|
)
|
|
|
|
def test_via_string(self):
|
|
row = config.db.execute(
|
|
self.tables.plain_pk.select().
|
|
order_by(self.tables.plain_pk.c.id)
|
|
).first()
|
|
|
|
eq_(
|
|
row['id'], 1
|
|
)
|
|
eq_(
|
|
row['data'], "d1"
|
|
)
|
|
|
|
def test_via_int(self):
|
|
row = config.db.execute(
|
|
self.tables.plain_pk.select().
|
|
order_by(self.tables.plain_pk.c.id)
|
|
).first()
|
|
|
|
eq_(
|
|
row[0], 1
|
|
)
|
|
eq_(
|
|
row[1], "d1"
|
|
)
|
|
|
|
def test_via_col_object(self):
|
|
row = config.db.execute(
|
|
self.tables.plain_pk.select().
|
|
order_by(self.tables.plain_pk.c.id)
|
|
).first()
|
|
|
|
eq_(
|
|
row[self.tables.plain_pk.c.id], 1
|
|
)
|
|
eq_(
|
|
row[self.tables.plain_pk.c.data], "d1"
|
|
)
|
|
|
|
@requirements.duplicate_names_in_cursor_description
|
|
def test_row_with_dupe_names(self):
|
|
result = config.db.execute(
|
|
select([self.tables.plain_pk.c.data,
|
|
self.tables.plain_pk.c.data.label('data')]).
|
|
order_by(self.tables.plain_pk.c.id)
|
|
)
|
|
row = result.first()
|
|
eq_(result.keys(), ['data', 'data'])
|
|
eq_(row, ('d1', 'd1'))
|
|
|
|
def test_row_w_scalar_select(self):
|
|
"""test that a scalar select as a column is returned as such
|
|
and that type conversion works OK.
|
|
|
|
(this is half a SQLAlchemy Core test and half to catch database
|
|
backends that may have unusual behavior with scalar selects.)
|
|
|
|
"""
|
|
datetable = self.tables.has_dates
|
|
s = select([datetable.alias('x').c.today]).as_scalar()
|
|
s2 = select([datetable.c.id, s.label('somelabel')])
|
|
row = config.db.execute(s2).first()
|
|
|
|
eq_(row['somelabel'], datetime.datetime(2006, 5, 12, 12, 0, 0))
|
|
|
|
|
|
class PercentSchemaNamesTest(fixtures.TablesTest):
|
|
"""tests using percent signs, spaces in table and column names.
|
|
|
|
This is a very fringe use case, doesn't work for MySQL
|
|
or PostgreSQL. the requirement, "percent_schema_names",
|
|
is marked "skip" by default.
|
|
|
|
"""
|
|
|
|
__requires__ = ('percent_schema_names', )
|
|
|
|
__backend__ = True
|
|
|
|
@classmethod
|
|
def define_tables(cls, metadata):
|
|
cls.tables.percent_table = Table('percent%table', metadata,
|
|
Column("percent%", Integer),
|
|
Column(
|
|
"spaces % more spaces", Integer),
|
|
)
|
|
cls.tables.lightweight_percent_table = sql.table(
|
|
'percent%table', sql.column("percent%"),
|
|
sql.column("spaces % more spaces")
|
|
)
|
|
|
|
def test_single_roundtrip(self):
|
|
percent_table = self.tables.percent_table
|
|
for params in [
|
|
{'percent%': 5, 'spaces % more spaces': 12},
|
|
{'percent%': 7, 'spaces % more spaces': 11},
|
|
{'percent%': 9, 'spaces % more spaces': 10},
|
|
{'percent%': 11, 'spaces % more spaces': 9}
|
|
]:
|
|
config.db.execute(percent_table.insert(), params)
|
|
self._assert_table()
|
|
|
|
def test_executemany_roundtrip(self):
|
|
percent_table = self.tables.percent_table
|
|
config.db.execute(
|
|
percent_table.insert(),
|
|
{'percent%': 5, 'spaces % more spaces': 12}
|
|
)
|
|
config.db.execute(
|
|
percent_table.insert(),
|
|
[{'percent%': 7, 'spaces % more spaces': 11},
|
|
{'percent%': 9, 'spaces % more spaces': 10},
|
|
{'percent%': 11, 'spaces % more spaces': 9}]
|
|
)
|
|
self._assert_table()
|
|
|
|
def _assert_table(self):
|
|
percent_table = self.tables.percent_table
|
|
lightweight_percent_table = self.tables.lightweight_percent_table
|
|
|
|
for table in (
|
|
percent_table,
|
|
percent_table.alias(),
|
|
lightweight_percent_table,
|
|
lightweight_percent_table.alias()):
|
|
eq_(
|
|
list(
|
|
config.db.execute(
|
|
table.select().order_by(table.c['percent%'])
|
|
)
|
|
),
|
|
[
|
|
(5, 12),
|
|
(7, 11),
|
|
(9, 10),
|
|
(11, 9)
|
|
]
|
|
)
|
|
|
|
eq_(
|
|
list(
|
|
config.db.execute(
|
|
table.select().
|
|
where(table.c['spaces % more spaces'].in_([9, 10])).
|
|
order_by(table.c['percent%']),
|
|
)
|
|
),
|
|
[
|
|
(9, 10),
|
|
(11, 9)
|
|
]
|
|
)
|
|
|
|
row = config.db.execute(table.select().
|
|
order_by(table.c['percent%'])).first()
|
|
eq_(row['percent%'], 5)
|
|
eq_(row['spaces % more spaces'], 12)
|
|
|
|
eq_(row[table.c['percent%']], 5)
|
|
eq_(row[table.c['spaces % more spaces']], 12)
|
|
|
|
config.db.execute(
|
|
percent_table.update().values(
|
|
{percent_table.c['spaces % more spaces']: 15}
|
|
)
|
|
)
|
|
|
|
eq_(
|
|
list(
|
|
config.db.execute(
|
|
percent_table.
|
|
select().
|
|
order_by(percent_table.c['percent%'])
|
|
)
|
|
),
|
|
[(5, 15), (7, 15), (9, 15), (11, 15)]
|
|
)
|
|
|
|
|
|
class ServerSideCursorsTest(fixtures.TestBase, testing.AssertsExecutionResults):
|
|
|
|
__requires__ = ('server_side_cursors', )
|
|
|
|
__backend__ = True
|
|
|
|
def _is_server_side(self, cursor):
|
|
if self.engine.dialect.driver == "psycopg2":
|
|
return cursor.name
|
|
elif self.engine.dialect.driver == 'pymysql':
|
|
sscursor = __import__('pymysql.cursors').cursors.SSCursor
|
|
return isinstance(cursor, sscursor)
|
|
elif self.engine.dialect.driver == "mysqldb":
|
|
sscursor = __import__('MySQLdb.cursors').cursors.SSCursor
|
|
return isinstance(cursor, sscursor)
|
|
else:
|
|
return False
|
|
|
|
def _fixture(self, server_side_cursors):
|
|
self.engine = engines.testing_engine(
|
|
options={'server_side_cursors': server_side_cursors}
|
|
)
|
|
return self.engine
|
|
|
|
def tearDown(self):
|
|
engines.testing_reaper.close_all()
|
|
self.engine.dispose()
|
|
|
|
def test_global_string(self):
|
|
engine = self._fixture(True)
|
|
result = engine.execute('select 1')
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
def test_global_text(self):
|
|
engine = self._fixture(True)
|
|
result = engine.execute(text('select 1'))
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
def test_global_expr(self):
|
|
engine = self._fixture(True)
|
|
result = engine.execute(select([1]))
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
def test_global_off_explicit(self):
|
|
engine = self._fixture(False)
|
|
result = engine.execute(text('select 1'))
|
|
|
|
# It should be off globally ...
|
|
|
|
assert not self._is_server_side(result.cursor)
|
|
|
|
def test_stmt_option(self):
|
|
engine = self._fixture(False)
|
|
|
|
s = select([1]).execution_options(stream_results=True)
|
|
result = engine.execute(s)
|
|
|
|
# ... but enabled for this one.
|
|
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
def test_conn_option(self):
|
|
engine = self._fixture(False)
|
|
|
|
# and this one
|
|
result = \
|
|
engine.connect().execution_options(stream_results=True).\
|
|
execute('select 1'
|
|
)
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
def test_stmt_enabled_conn_option_disabled(self):
|
|
engine = self._fixture(False)
|
|
|
|
s = select([1]).execution_options(stream_results=True)
|
|
|
|
# not this one
|
|
result = \
|
|
engine.connect().execution_options(stream_results=False).\
|
|
execute(s)
|
|
assert not self._is_server_side(result.cursor)
|
|
|
|
def test_stmt_option_disabled(self):
|
|
engine = self._fixture(True)
|
|
s = select([1]).execution_options(stream_results=False)
|
|
result = engine.execute(s)
|
|
assert not self._is_server_side(result.cursor)
|
|
|
|
def test_aliases_and_ss(self):
|
|
engine = self._fixture(False)
|
|
s1 = select([1]).execution_options(stream_results=True).alias()
|
|
result = engine.execute(s1)
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
# s1's options shouldn't affect s2 when s2 is used as a
|
|
# from_obj.
|
|
s2 = select([1], from_obj=s1)
|
|
result = engine.execute(s2)
|
|
assert not self._is_server_side(result.cursor)
|
|
|
|
def test_for_update_expr(self):
|
|
engine = self._fixture(True)
|
|
s1 = select([1], for_update=True)
|
|
result = engine.execute(s1)
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
def test_for_update_string(self):
|
|
engine = self._fixture(True)
|
|
result = engine.execute('SELECT 1 FOR UPDATE')
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
def test_text_no_ss(self):
|
|
engine = self._fixture(False)
|
|
s = text('select 42')
|
|
result = engine.execute(s)
|
|
assert not self._is_server_side(result.cursor)
|
|
|
|
def test_text_ss_option(self):
|
|
engine = self._fixture(False)
|
|
s = text('select 42').execution_options(stream_results=True)
|
|
result = engine.execute(s)
|
|
assert self._is_server_side(result.cursor)
|
|
|
|
@testing.provide_metadata
|
|
def test_roundtrip(self):
|
|
md = self.metadata
|
|
|
|
engine = self._fixture(True)
|
|
test_table = Table('test_table', md,
|
|
Column('id', Integer, primary_key=True),
|
|
Column('data', String(50)))
|
|
test_table.create(checkfirst=True)
|
|
test_table.insert().execute(data='data1')
|
|
test_table.insert().execute(data='data2')
|
|
eq_(test_table.select().execute().fetchall(), [(1, 'data1'
|
|
), (2, 'data2')])
|
|
test_table.update().where(
|
|
test_table.c.id == 2).values(
|
|
data=test_table.c.data +
|
|
' updated').execute()
|
|
eq_(test_table.select().execute().fetchall(),
|
|
[(1, 'data1'), (2, 'data2 updated')])
|
|
test_table.delete().execute()
|
|
eq_(select([func.count('*')]).select_from(test_table).scalar(), 0)
|