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Refs #19884 -- Removed DatabaseFeatures.can_introspect_max_length. 

Unused (always True) after 3e43d24ad3.
This commit is contained in:
Mariusz Felisiak 2016-12-19 22:16:11 +01:00 committed by Tim Graham
parent 10278885fd
commit cc0bb07013
3 changed files with 8 additions and 22 deletions
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3
django/db/backends/base/features.py
View File

@ -116,9 +116,6 @@ class BaseDatabaseFeatures(object):
# Does the backend reset sequences between tests?
supports_sequence_reset = True
# Can the backend determine reliably the length of a CharField?
can_introspect_max_length = True
# Can the backend determine reliably if a field is nullable?
# Note that this is separate from interprets_empty_strings_as_nulls,
# although the latter feature, when true, interferes with correct

26
tests/inspectdb/tests.py
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@ -59,37 +59,27 @@ class InspectDBTestCase(TestCase):
# Inspecting Oracle DB doesn't produce correct results (#19884):
# - it reports fields as blank=True when they aren't.
if (connection.features.can_introspect_max_length and
not connection.features.interprets_empty_strings_as_nulls):
if not connection.features.interprets_empty_strings_as_nulls:
assertFieldType('char_field', "models.CharField(max_length=10)")
assertFieldType('null_char_field', "models.CharField(max_length=10, blank=True, null=True)")
assertFieldType('comma_separated_int_field', "models.CharField(max_length=99)")
assertFieldType('date_field', "models.DateField()")
assertFieldType('date_time_field', "models.DateTimeField()")
if (connection.features.can_introspect_max_length and
not connection.features.interprets_empty_strings_as_nulls):
assertFieldType('email_field', "models.CharField(max_length=254)")
assertFieldType('file_field', "models.CharField(max_length=100)")
assertFieldType('file_path_field', "models.CharField(max_length=100)")
assertFieldType('slug_field', "models.CharField(max_length=50)")
assertFieldType('text_field', "models.TextField()")
assertFieldType('url_field', "models.CharField(max_length=200)")
assertFieldType('date_field', "models.DateField()")
assertFieldType('date_time_field', "models.DateTimeField()")
if connection.features.can_introspect_ip_address_field:
assertFieldType('gen_ip_adress_field', "models.GenericIPAddressField()")
elif (connection.features.can_introspect_max_length and
not connection.features.interprets_empty_strings_as_nulls):
elif not connection.features.interprets_empty_strings_as_nulls:
assertFieldType('gen_ip_adress_field', "models.CharField(max_length=39)")
if (connection.features.can_introspect_max_length and
not connection.features.interprets_empty_strings_as_nulls):
assertFieldType('slug_field', "models.CharField(max_length=50)")
if not connection.features.interprets_empty_strings_as_nulls:
assertFieldType('text_field', "models.TextField()")
if connection.features.can_introspect_time_field:
assertFieldType('time_field', "models.TimeField()")
if (connection.features.can_introspect_max_length and
not connection.features.interprets_empty_strings_as_nulls):
assertFieldType('url_field', "models.CharField(max_length=200)")
if connection.features.has_native_uuid_field:
assertFieldType('uuid_field', "models.UUIDField()")
elif (connection.features.can_introspect_max_length and
not connection.features.interprets_empty_strings_as_nulls):
elif not connection.features.interprets_empty_strings_as_nulls:
assertFieldType('uuid_field', "models.CharField(max_length=32)")
def test_number_field_types(self):

1
tests/introspection/tests.py
View File

@ -83,7 +83,6 @@ class IntrospectionTests(TransactionTestCase):
'SmallIntegerField' if connection.features.can_introspect_small_integer_field else 'IntegerField']
)
@skipUnlessDBFeature('can_introspect_max_length')
def test_get_table_description_col_lengths(self):
with connection.cursor() as cursor:
desc = connection.introspection.get_table_description(cursor, Reporter._meta.db_table)