def test_lookup_cast(self):
from django.db.backends.postgresql_psycopg2.operations import DatabaseOperations
do = DatabaseOperations(connection=None)
for lookup in ('iexact', 'contains', 'icontains', 'startswith',
'istartswith', 'endswith', 'iendswith', 'regex', 'iregex'):
self.assertIn('::text', do.lookup_cast(lookup))
def test_lookup_cast(self):
from django.db.backends.postgresql_psycopg2.operations import DatabaseOperations
do = DatabaseOperations(connection=None)
for lookup in ('iexact', 'contains', 'icontains', 'startswith',
'istartswith', 'endswith', 'iendswith', 'regex', 'iregex'):
self.assertIn('::text', do.lookup_cast(lookup))
def test_convert_values_to_handle_null_value(self):
database_operations = DatabaseOperations(connection)
self.assertEqual(
None,
database_operations.convert_values(None, AutoField(primary_key=True))
)
self.assertEqual(
None,
database_operations.convert_values(None, DateField())
)
self.assertEqual(
None,
database_operations.convert_values(None, DateTimeField())
)
self.assertEqual(
None,
database_operations.convert_values(None, DecimalField())
)
self.assertEqual(
None,
database_operations.convert_values(None, IntegerField())
)
self.assertEqual(
None,
database_operations.convert_values(None, TimeField())
)
def test_convert_values_to_handle_null_value(self):
from django.db.backends.sqlite3.base import DatabaseOperations
database_operations = DatabaseOperations(connection)
self.assertEqual(
None,
database_operations.convert_values(None, AutoField(primary_key=True))
)
self.assertEqual(
None,
database_operations.convert_values(None, DateField())
)
self.assertEqual(
None,
database_operations.convert_values(None, DateTimeField())
)
self.assertEqual(
None,
database_operations.convert_values(None, DecimalField())
)
self.assertEqual(
None,
database_operations.convert_values(None, IntegerField())
)
self.assertEqual(
None,
database_operations.convert_values(None, TimeField())
)
def test_convert_values_to_handle_null_value(self):
from django.db.backends.sqlite3.base import DatabaseOperations
convert_values = DatabaseOperations(connection).convert_values
self.assertIsNone(convert_values(None, AutoField(primary_key=True)))
self.assertIsNone(convert_values(None, DateField()))
self.assertIsNone(convert_values(None, DateTimeField()))
self.assertIsNone(convert_values(None, DecimalField()))
self.assertIsNone(convert_values(None, IntegerField()))
self.assertIsNone(convert_values(None, TimeField()))
from django.db.backends.sqlite3.base import DatabaseOperations
quote_name = DatabaseOperations().quote_name
def get_table_list(cursor):
"Returns a list of table names in the current database."
# Skip the sqlite_sequence system table used for autoincrement key
# generation.
cursor.execute("""
SELECT name FROM sqlite_master
WHERE type='table' AND NOT name='sqlite_sequence'
ORDER BY name""")
return [row[0] for row in cursor.fetchall()]
def get_table_description(cursor, table_name):
"Returns a description of the table, with the DB-API cursor.description interface."
return [(info['name'], info['type'], None, None, None, None,
info['null_ok']) for info in _table_info(cursor, table_name)]
def get_relations(cursor, table_name):
raise NotImplementedError
def get_indexes(cursor, table_name):
"""
Returns a dictionary of fieldname -> infodict for the given table,
where each infodict is in the format:
{'primary_key': boolean representing whether it's the primary key,