Commit 1c50d6ae authored by Anubhav Joshi's avatar Anubhav Joshi Committed by Shai Berger
Browse files

Fixed problem introduced with #refs 13711.

parent 908160f6

django/db/backends/__init__.py

+4 −0
Original line number Diff line number Diff line
@@ -520,6 +520,10 @@ class BaseDatabaseFeatures(object): 
    # at the end of each save operation?

    supports_forward_references = True



    # Does the backend uses proper method like 'truncate_name'

    # to auto-truncate column names?

    truncates_name = False



    # Is there a REAL datatype in addition to floats/doubles?

    has_real_datatype = False

    supports_subqueries_in_group_by = True

django/db/backends/oracle/base.py

+1 −0
Original line number Diff line number Diff line
@@ -107,6 +107,7 @@ class DatabaseFeatures(BaseDatabaseFeatures): 
    supports_bitwise_or = False

    can_defer_constraint_checks = True

    supports_partially_nullable_unique_constraints = False

    truncates_name = True

    has_bulk_insert = True

    supports_tablespaces = True

    supports_sequence_reset = False

django/db/models/base.py

+1 −1
Original line number Diff line number Diff line
@@ -1469,7 +1469,7 @@ class Model(six.with_metaclass(ModelBase)): 
                continue

            connection = connections[db]

            max_name_length = connection.ops.max_name_length()

            if max_name_length is None:

            if max_name_length is None or connection.features.truncates_name:

                continue

            else:

                if allowed_len is None:

tests/invalid_models_tests/test_models.py

+1 −1
Original line number Diff line number Diff line
@@ -18,7 +18,7 @@ def get_max_column_name_length(): 
    for db in settings.DATABASES.keys():

        connection = connections[db]

        max_name_length = connection.ops.max_name_length()

        if max_name_length is None:

        if max_name_length is None or connection.features.truncates_name:

            continue

        else:

            if allowed_len is None: