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# -*- coding: utf-8 -*-
import datetime
import unittest
from pymssql import datetime2
from .helpers import TestCaseWithTable, mssqlconn, get_sql_server_version
import pytest
class TestCaseDATETIME2(unittest.TestCase, TestCaseWithTable):
@classmethod
def setup_class(cls):
cls.conn = mssqlconn()
if get_sql_server_version(cls.conn) < 2008:
pytest.skip("DATETIME2 field type isn't supported by SQL Server versions prior to 2008.")
if cls.conn.tds_version < 7.3:
pytest.skip("DATETIME2 field type isn't supported by TDS protocol older than 7.3.")
cls.create_table()
class Test_DATETIME2(TestCaseDATETIME2):
table_name = "test_datetime2"
ddl_create = f"CREATE TABLE {table_name} (test DATETIME2)"
min_date = datetime2(1, 1, 1, 0, 0, 0, 0)
max_date = datetime2(9999, 12, 31, 23, 59, 59, 999999)
def test_min_select(self):
self.conn.execute_query("SELECT CAST ('0001-1-1 0:0:0' as DATETIME2)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert res == self.min_date
def test_min_insert(self):
res = self.insert_and_select('test', self.min_date)
assert isinstance(res, datetime.datetime)
assert res == self.min_date
def test_max_select(self):
self.conn.execute_query("SELECT CAST ('9999-12-31 23:59:59.9999999' as DATETIME2)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert res == self.max_date
def test_max_insert(self):
res = self.insert_and_select('test', self.max_date)
assert isinstance(res, datetime.datetime)
assert res == self.max_date
def test_datetime2(self):
testval = datetime2(2013, 1, 2, 3, 4, 5, 6)
res = self.insert_and_select('test', testval)
assert isinstance(res, datetime.datetime)
assert testval == res
def test_truncate(self):
self.conn.execute_query("SELECT CAST ('2024-1-1 0:0:0.1234567' as DATETIME2)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert res == datetime.datetime(2024, 1, 1, 0, 0, 0, 123456)
class Test_695(TestCaseDATETIME2):
"""
See issue #695
"""
table_name = "dbo.test695"
ddl_create = f"""
CREATE TABLE {table_name} (
valid_from DATETIME2 GENERATED ALWAYS AS ROW START NOT NULL,
valid_to DATETIME2 GENERATED ALWAYS AS ROW END NOT NULL,
PERIOD FOR SYSTEM_TIME (valid_from,valid_to),
id INTEGER NOT NULL IDENTITY(1,1) PRIMARY KEY,
test VARCHAR(255) NOT NULL,
)
"""
#WITH (SYSTEM_VERSIONING = ON (HISTORY_TABLE = dbo.test_history));
def test_695(self):
self.conn.execute_non_query(f"INSERT INTO {self.table_name} (test) VALUES (%s)", ("TEST", ))
self.conn.execute_query(f"SELECT valid_from, valid_to FROM {self.table_name}")
rows = tuple(self.conn)
res = rows[0][1]
assert isinstance(res, datetime.datetime)
#print(rows)
class Test_DATETIME(TestCaseDATETIME2):
table_name = "test_datetime"
ddl_create = f"CREATE TABLE {table_name} (test DATETIME)"
min_date = datetime.datetime(1753, 1, 1, 0, 0, 0, 0)
max_date = datetime.datetime(9999, 12, 31, 23, 59, 59, 997000)
def test_min_select(self):
self.conn.execute_query("SELECT CAST ('1753-1-1 0:0:0' as DATETIME)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert not isinstance(res, datetime2)
assert res == self.min_date
def test_min_insert(self):
res = self.insert_and_select('test', self.min_date)
assert isinstance(res, datetime.datetime)
assert not isinstance(res, datetime2)
assert res == self.min_date
def test_max_select(self):
self.conn.execute_query("SELECT CAST ('9999-12-31 23:59:59.997' as DATETIME)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert not isinstance(res, datetime2)
assert res == self.max_date
def test_max_insert(self):
res = self.insert_and_select('test', self.max_date)
assert isinstance(res, datetime.datetime)
assert not isinstance(res, datetime2)
assert res == self.max_date
def test_datetime(self):
"""
Test for issue at https://code.google.com/p/pymssql/issues/detail?id=118
datetime values are rounded to increments of .000, .003, or .007 seconds,
see https://docs.microsoft.com/en-us/sql/t-sql/data-types/datetime-transact-sql
"""
for mks in (0, 3000, 7000):
testval = datetime.datetime(2013, 1, 2, 3, 4, 5, mks)
self.conn.execute_non_query(f"DELETE FROM {self.table_name}")
res = self.insert_and_select('test', testval)
assert isinstance(res, datetime.datetime)
assert not isinstance(res, datetime2)
assert res == testval
def test_datetime_params_as_dict(self):
testval = datetime.datetime(2013, 1, 2, 3, 4, 5, 3000)
res = self.insert_and_select('test', testval, params_as_dict=True)
assert isinstance(res, datetime.datetime)
assert not isinstance(res, datetime2)
assert res == testval
class Test_DATE(TestCaseDATETIME2):
table_name = "test_date"
ddl_create = f"CREATE TABLE {table_name} (test DATE)"
min_date = datetime.date(1, 1, 1)
max_date = datetime.date(9999, 12, 31)
def test_min_select(self):
self.conn.execute_query("SELECT CAST ('0001-1-1' as DATE)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.date)
assert res == self.min_date
def test_min_insert(self):
res = self.insert_and_select('test', self.min_date)
assert isinstance(res, datetime.date)
assert res == self.min_date
def test_max_select(self):
self.conn.execute_query("SELECT CAST ('9999-12-31' as DATE)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.date)
assert res == self.max_date
def test_max_insert(self):
res = self.insert_and_select('test', self.max_date)
assert isinstance(res, datetime.date)
assert res == self.max_date
def test_date(self):
testval = datetime.date(2013, 1, 2)
res = self.insert_and_select('test', testval)
assert isinstance(res, datetime.date)
assert res == testval
def test_ancient_date(self):
testval = datetime.date(13, 1, 2)
res = self.insert_and_select('test', testval)
assert isinstance(res, datetime.date)
assert res == testval
class Test_TIME(TestCaseDATETIME2):
table_name = "test_time"
ddl_create = f"CREATE TABLE {table_name} (test TIME)"
min_time = datetime.time(0, 0, 0, 0)
max_time = datetime.time(23, 59, 59, 999999)
def test_min_select(self):
self.conn.execute_query("SELECT CAST ('0:0:0.0' as TIME)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.time)
assert res == self.min_time
def test_min_insert(self):
res = self.insert_and_select('test', self.min_time)
assert isinstance(res, datetime.time)
assert res == self.min_time
def test_max_select(self):
self.conn.execute_query("SELECT CAST ('23:59:59.9999999' as TIME)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.time)
assert res == self.max_time
def test_max_insert(self):
res = self.insert_and_select('test', self.max_time)
assert isinstance(res, datetime.time)
assert res == self.max_time
def test_time(self):
testval = datetime.time(3, 4, 5, 3000)
res = self.insert_and_select('test', testval)
assert isinstance(res, datetime.time)
assert res == testval
class Test_DATETIMEOFFSET(TestCaseDATETIME2):
table_name = "test_time"
ddl_create = f"""CREATE TABLE {table_name} (
id INT default 1,
DateCreated DATETIMEOFFSET default sysdatetimeoffset()
)"""
def test_649(self):
"""
Test #649
"""
self.conn.execute_non_query(
f"INSERT INTO {self.table_name} (id) VALUES (%s)", (2, ))
self.conn.execute_query(
f'select DateCreated from {self.table_name} where id = 2')
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert res.strftime('%z') != ''
def test_select_cast_0(self):
self.conn.execute_query(
"SELECT CAST ('2019-06-20 09:54:40.09550' as DATETIMEOFFSET)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert res == datetime.datetime(2019, 6, 20, 9, 54, 40, 95500,
tzinfo=datetime.timezone.utc)
def test_select_cast(self):
self.conn.execute_query(
"SELECT CAST ('2019-06-20 09:54:40.09550 +04:00' as DATETIMEOFFSET)")
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert res == datetime.datetime(2019, 6, 20, 9, 54, 40, 95500,
tzinfo=datetime.timezone(datetime.timedelta(seconds=4*60*60)))
def test_insert_select(self):
testval = datetime.datetime(3, 4, 5, 3,
tzinfo=datetime.timezone(datetime.timedelta(seconds=4*60*60)))
self.conn.execute_non_query(
f"INSERT INTO {self.table_name} (id, DateCreated) VALUES (%s, %s)",
(22, testval))
self.conn.execute_query(
f'select DateCreated from {self.table_name} where id = 22')
res = tuple(self.conn)[0][0]
assert isinstance(res, datetime.datetime)
assert res.strftime('%z') != ''
assert res == testval
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