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from datetime import date, datetime
from unittest.mock import patch
from pytz import timezone, utc, UnknownTimeZoneError
import tzlocal
from tests.testcase import BaseTestCase
from tests.util import require_server_version, patch_env_tz
class DateTimeTestCase(BaseTestCase):
def test_simple(self):
with self.create_table('a Date, b DateTime'):
data = [(date(2012, 10, 25), datetime(2012, 10, 25, 14, 7, 19))]
self.client.execute(
'INSERT INTO test (a, b) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, '2012-10-25\t2012-10-25 14:07:19\n')
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_nullable_date(self):
with self.create_table('a Nullable(Date)'):
data = [
(None, ), (date(2012, 10, 25), ),
(None, ), (date(2017, 6, 23), )
]
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted, '\\N\n2012-10-25\n\\N\n2017-06-23\n'
)
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_nullable_datetime(self):
with self.create_table('a Nullable(DateTime)'):
data = [
(None, ), (datetime(2012, 10, 25, 14, 7, 19), ),
(None, ), (datetime(2017, 6, 23, 19, 10, 15), )
]
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted,
'\\N\n2012-10-25 14:07:19\n\\N\n2017-06-23 19:10:15\n'
)
inserted = self.client.execute(query)
self.assertEqual(inserted, data)
def test_handle_errors_from_tzlocal(self):
with patch('tzlocal.get_localzone') as mocked:
mocked.side_effect = UnknownTimeZoneError()
self.client.execute('SELECT now()')
if hasattr(tzlocal, 'get_localzone_name'):
with patch('tzlocal.get_localzone_name') as mocked:
mocked.side_effect = None
self.client.execute('SELECT now()')
@require_server_version(20, 1, 2)
def test_datetime64_frac_trunc(self):
with self.create_table('a DateTime64'):
data = [(datetime(2012, 10, 25, 14, 7, 19, 125600), )]
self.client.execute(
'INSERT INTO test (a) VALUES', data
)
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, '2012-10-25 14:07:19.125\n')
inserted = self.client.execute(query)
self.assertEqual(
inserted, [(datetime(2012, 10, 25, 14, 7, 19, 125000), )]
)
def test_insert_integers(self):
with self.create_table('a DateTime'):
self.client.execute(
'INSERT INTO test (a) VALUES', [(1530211034, )]
)
query = 'SELECT toUInt32(a), a FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, '1530211034\t2018-06-28 21:37:14\n')
@require_server_version(20, 1, 2)
def test_insert_integers_datetime64(self):
with self.create_table('a DateTime64'):
self.client.execute(
'INSERT INTO test (a) VALUES', [(1530211034123, )]
)
query = 'SELECT toUInt32(a), a FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, '1530211034\t2018-06-28 21:37:14.123\n')
def test_insert_integer_bounds(self):
with self.create_table('a DateTime'):
self.client.execute(
'INSERT INTO test (a) VALUES',
[(0, ), (1, ), (1500000000, ), (2**32-1, )]
)
query = 'SELECT toUInt32(a) FROM test ORDER BY a'
inserted = self.emit_cli(query)
self.assertEqual(inserted, '0\n1\n1500000000\n4294967295\n')
@require_server_version(21, 4)
def test_insert_datetime64_extended_range(self):
with self.create_table('a DateTime64(0)'):
self.client.execute(
'INSERT INTO test (a) VALUES',
[(-1420077600, ), (-1420077599, ),
(0, ), (1, ),
(9877248000, )]
)
query = 'SELECT toInt64(a), a FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted,
'-1420077600\t1925-01-01 00:00:00\n'
'-1420077599\t1925-01-01 00:00:01\n'
'0\t1970-01-01 03:00:00\n'
'1\t1970-01-01 03:00:01\n'
'9877248000\t2282-12-31 03:00:00\n'
)
query = 'SELECT a FROM test ORDER BY a'
inserted = self.client.execute(query)
self.assertEqual(
inserted, [
(datetime(1925, 1, 1, 0, 0, 0), ),
(datetime(1925, 1, 1, 0, 0, 1), ),
(datetime(1970, 1, 1, 3, 0, 0), ),
(datetime(1970, 1, 1, 3, 0, 1), ),
(datetime(2282, 12, 31, 3, 0, 0), )
]
)
@require_server_version(21, 4)
def test_insert_datetime64_extended_range_pure_ints_out_of_range(self):
with self.create_table('a DateTime64(0)'):
self.client.execute(
'INSERT INTO test (a) VALUES',
[(0, ), (1, ), (-2**63, ), (2**63-1, )]
)
query = 'SELECT toInt64(a) FROM test ORDER BY a'
inserted = self.emit_cli(query)
self.assertEqual(
inserted,
'-9223372036854775808\n0\n1\n9223372036854775807\n'
)
class DateTimeTimezonesTestCase(BaseTestCase):
dt_type = 'DateTime'
# Asia/Kamchatka = UTC+12
# Asia/Novosibirsk = UTC+7
# Europe/Moscow = UTC+3
# 1500010800 second since epoch in Europe/Moscow.
# 1500000000 second since epoch in UTC.
dt = datetime(2017, 7, 14, 5, 40)
dt_tz = timezone('Asia/Kamchatka').localize(dt)
col_tz_name = 'Asia/Novosibirsk'
col_tz = timezone(col_tz_name)
# INSERTs and SELECTs must be the same as clickhouse-client's
# if column has no timezone.
def table_columns(self, with_tz=False):
if not with_tz:
return 'a {}'.format(self.dt_type)
return "a {}('{}')".format(self.dt_type, self.col_tz_name)
def test_use_server_timezone(self):
# Insert datetime with timezone UTC
# into column with no timezone
# using server's timezone (Europe/Moscow)
# Determine server timezone and calculate expected timestamp.
server_tz_name = self.client.execute('SELECT timezone()')[0][0]
offset = timezone(server_tz_name).utcoffset(self.dt).total_seconds()
timestamp = 1500010800 - int(offset)
with patch_env_tz('Asia/Novosibirsk'):
with self.create_table(self.table_columns()):
self.client.execute(
'INSERT INTO test (a) VALUES', [(self.dt, )]
)
self.emit_cli(
"INSERT INTO test (a) VALUES ('2017-07-14 05:40:00')"
)
query = 'SELECT toInt32(a) FROM test'
inserted = self.emit_cli(query)
self.assertEqual(inserted, '{ts}\n{ts}\n'.format(ts=timestamp))
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted,
'2017-07-14 05:40:00\n2017-07-14 05:40:00\n'
)
inserted = self.client.execute(query)
self.assertEqual(inserted, [(self.dt, ), (self.dt, )])
def test_use_client_timezone(self):
# Insert datetime with timezone UTC
# into column with no timezone
# using client's timezone Asia/Novosibirsk
settings = {'use_client_time_zone': True}
with patch_env_tz('Asia/Novosibirsk'):
with self.create_table(self.table_columns()):
self.client.execute(
'INSERT INTO test (a) VALUES', [(self.dt, )],
settings=settings
)
self.emit_cli(
"INSERT INTO test (a) VALUES ('2017-07-14 05:40:00')",
use_client_time_zone=1
)
query = 'SELECT toInt32(a) FROM test'
inserted = self.emit_cli(query, use_client_time_zone=1)
# 1499985600 = 1500000000 - 4 * 3600
self.assertEqual(inserted, '1499985600\n1499985600\n')
query = 'SELECT * FROM test'
inserted = self.emit_cli(query, use_client_time_zone=1)
self.assertEqual(
inserted,
'2017-07-14 05:40:00\n2017-07-14 05:40:00\n'
)
inserted = self.client.execute(query, settings=settings)
self.assertEqual(inserted, [(self.dt, ), (self.dt, )])
@require_server_version(1, 1, 54337)
def test_datetime_with_timezone_use_server_timezone(self):
# Insert datetime with timezone Asia/Kamchatka
# into column with no timezone
# using server's timezone (Europe/Moscow)
server_tz_name = self.client.execute('SELECT timezone()')[0][0]
offset = timezone(server_tz_name).utcoffset(self.dt)
with patch_env_tz('Asia/Novosibirsk'):
with self.create_table(self.table_columns()):
self.client.execute(
'INSERT INTO test (a) VALUES', [(self.dt_tz, )]
)
self.emit_cli(
"INSERT INTO test (a) VALUES "
"(toDateTime('2017-07-14 05:40:00', 'Asia/Kamchatka'))",
)
query = 'SELECT toInt32(a) FROM test'
inserted = self.emit_cli(query)
# 1499967600 = 1500000000 - 12 * 3600
self.assertEqual(inserted, '1499967600\n1499967600\n')
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
dt = (self.dt_tz.astimezone(utc) + offset).replace(tzinfo=None)
self.assertEqual(inserted, '{dt}\n{dt}\n'.format(dt=dt))
inserted = self.client.execute(query)
self.assertEqual(inserted, [(dt, ), (dt, )])
@require_server_version(1, 1, 54337)
def test_datetime_with_timezone_use_client_timezone(self):
# Insert datetime with timezone Asia/Kamchatka
# into column with no timezone
# using client's timezone Asia/Novosibirsk
settings = {'use_client_time_zone': True}
with patch_env_tz('Asia/Novosibirsk'):
with self.create_table(self.table_columns()):
self.client.execute(
'INSERT INTO test (a) VALUES', [(self.dt_tz, )],
settings=settings
)
self.emit_cli(
"INSERT INTO test (a) VALUES "
"(toDateTime('2017-07-14 05:40:00', 'Asia/Kamchatka'))",
use_client_time_zone=1
)
query = 'SELECT toInt32(a) FROM test'
inserted = self.emit_cli(query, use_client_time_zone=1)
# 1499967600 = 1500000000 - 12 * 3600
self.assertEqual(inserted, '1499967600\n1499967600\n')
query = 'SELECT * FROM test'
inserted = self.emit_cli(query, use_client_time_zone=1)
# 2017-07-14 00:40:00 = 2017-07-14 05:40:00 - 05:00:00
# (Kamchatka - Novosibirsk)
self.assertEqual(
inserted,
'2017-07-14 00:40:00\n2017-07-14 00:40:00\n'
)
inserted = self.client.execute(query, settings=settings)
dt = datetime(2017, 7, 14, 0, 40)
self.assertEqual(inserted, [(dt, ), (dt, )])
@require_server_version(1, 1, 54337)
def test_column_use_server_timezone(self):
# Insert datetime with no timezone
# into column with timezone Asia/Novosibirsk
# using server's timezone (Europe/Moscow)
with patch_env_tz('Europe/Moscow'):
with self.create_table(self.table_columns(with_tz=True)):
self.client.execute(
'INSERT INTO test (a) VALUES', [(self.dt, )]
)
self.emit_cli(
"INSERT INTO test (a) VALUES ('2017-07-14 05:40:00')"
)
query = 'SELECT toInt32(a) FROM test'
inserted = self.emit_cli(query)
# 1499985600 = 1500000000 - 4 * 3600
self.assertEqual(inserted, '1499985600\n1499985600\n')
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
self.assertEqual(
inserted,
'2017-07-14 05:40:00\n2017-07-14 05:40:00\n'
)
inserted = self.client.execute(query)
self.assertEqual(inserted, [
(self.col_tz.localize(self.dt), ),
(self.col_tz.localize(self.dt), )
])
@require_server_version(1, 1, 54337)
def test_column_use_client_timezone(self):
# Insert datetime with no timezone
# into column with timezone Asia/Novosibirsk
# using client's timezone Europe/Moscow
settings = {'use_client_time_zone': True}
with patch_env_tz('Europe/Moscow'):
with self.create_table(self.table_columns(with_tz=True)):
self.client.execute(
'INSERT INTO test (a) VALUES', [(self.dt, )],
settings=settings
)
self.emit_cli(
"INSERT INTO test (a) VALUES ('2017-07-14 05:40:00')",
use_client_time_zone=1
)
query = 'SELECT toInt32(a) FROM test'
inserted = self.emit_cli(query, use_client_time_zone=1)
# 1499985600 = 1500000000 - 4 * 3600
self.assertEqual(inserted, '1499985600\n1499985600\n')
query = 'SELECT * FROM test'
inserted = self.emit_cli(query, use_client_time_zone=1)
self.assertEqual(
inserted,
'2017-07-14 05:40:00\n2017-07-14 05:40:00\n'
)
inserted = self.client.execute(query, settings=settings)
self.assertEqual(inserted, [
(self.col_tz.localize(self.dt), ),
(self.col_tz.localize(self.dt), )
])
@require_server_version(1, 1, 54337)
def test_datetime_with_timezone_column_use_server_timezone(self):
# Insert datetime with timezone Asia/Kamchatka
# into column with timezone Asia/Novosibirsk
# using server's timezone (Europe/Moscow)
with patch_env_tz('Europe/Moscow'):
with self.create_table(self.table_columns(with_tz=True)):
self.client.execute(
'INSERT INTO test (a) VALUES', [(self.dt_tz, )]
)
self.emit_cli(
"INSERT INTO test (a) VALUES "
"(toDateTime('2017-07-14 05:40:00', 'Asia/Kamchatka'))",
)
query = 'SELECT toInt32(a) FROM test'
inserted = self.emit_cli(query)
# 1499967600 = 1500000000 - 12 * 3600
self.assertEqual(inserted, '1499967600\n1499967600\n')
query = 'SELECT * FROM test'
inserted = self.emit_cli(query)
# 2017-07-14 00:40:00 = 2017-07-14 05:40:00 - 05:00:00
# (Kamchatka - Novosibirsk)
self.assertEqual(
inserted,
'2017-07-14 00:40:00\n2017-07-14 00:40:00\n'
)
inserted = self.client.execute(query)
dt = datetime(2017, 7, 14, 0, 40)
self.assertEqual(inserted, [
(self.col_tz.localize(dt), ),
(self.col_tz.localize(dt), )
])
@require_server_version(1, 1, 54337)
def test_datetime_with_timezone_column_use_client_timezone(self):
# Insert datetime with timezone Asia/Kamchatka
# into column with timezone Asia/Novosibirsk
# using client's timezone (Europe/Moscow)
settings = {'use_client_time_zone': True}
with patch_env_tz('Europe/Moscow'):
with self.create_table(self.table_columns(with_tz=True)):
self.client.execute(
'INSERT INTO test (a) VALUES', [(self.dt_tz, )],
settings=settings
)
self.emit_cli(
"INSERT INTO test (a) VALUES "
"(toDateTime('2017-07-14 05:40:00', 'Asia/Kamchatka'))",
use_client_time_zone=1
)
query = 'SELECT toInt32(a) FROM test'
inserted = self.emit_cli(query, use_client_time_zone=1)
# 1499967600 = 1500000000 - 12 * 3600
self.assertEqual(inserted, '1499967600\n1499967600\n')
query = 'SELECT * FROM test'
inserted = self.emit_cli(query, use_client_time_zone=1)
# 2017-07-14 00:40:00 = 2017-07-14 05:40:00 - 05:00:00
# (Kamchatka - Novosibirsk)
self.assertEqual(
inserted,
'2017-07-14 00:40:00\n2017-07-14 00:40:00\n'
)
inserted = self.client.execute(query, settings=settings)
dt = datetime(2017, 7, 14, 0, 40)
self.assertEqual(inserted, [
(self.col_tz.localize(dt), ),
(self.col_tz.localize(dt), )
])
class DateTime64TimezonesTestCase(DateTimeTimezonesTestCase):
dt_type = 'DateTime64'
required_server_version = (20, 1, 2)
def table_columns(self, with_tz=False):
if not with_tz:
return 'a {}(0)'.format(self.dt_type)
return "a {}(0, '{}')".format(self.dt_type, self.col_tz_name)
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