Add feature for implied null (needed for Firebird backend)

This commit is contained in:
Andrew Godwin 2014-05-20 13:27:07 +01:00
parent a4737bf6ae
commit 1b07781292
2 changed files with 5 additions and 2 deletions

View File

@ -646,6 +646,9 @@ class BaseDatabaseFeatures(object):
# Suffix for backends that don't support "SELECT xxx;" queries.
bare_select_suffix = ''
# If NULL is implied on columns without needing to be explicitly specified
implied_column_null = False
uppercases_column_names = True
def __init__(self, connection):

View File

@ -132,9 +132,9 @@ class BaseDatabaseSchemaEditor(object):
if (field.empty_strings_allowed and not field.primary_key and
self.connection.features.interprets_empty_strings_as_nulls):
null = True
if null:
if null and not self.connection.features.implied_column_null:
sql += " NULL"
else:
elif not null:
sql += " NOT NULL"
# Primary key/unique outputs
if field.primary_key: