Commit 30d8b951 authored by Tim Graham's avatar Tim Graham
Browse files

[1.7.x] Added feature for implied null (needed for Firebird backend) 

Backport of 1b077812 from master
parent 427f218a

django/db/backends/__init__.py

+3 −0
Original line number Diff line number Diff line
@@ -750,6 +750,9 @@ 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 = False



    def __init__(self, connection):

django/db/backends/schema.py

+2 −2
Original line number Diff line number Diff line
@@ -133,9 +133,9 @@ 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: