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Code Issues 32 Releases Wiki Activity

Add feature for implied null (needed for Firebird backend)

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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
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3
django/db/backends/__init__.py
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@@ -646,6 +646,9 @@ class BaseDatabaseFeatures(object):
# Suffix for backends that don't support "SELECT xxx;" queries. # Suffix for backends that don't support "SELECT xxx;" queries.
bare_select_suffix = '' bare_select_suffix = ''
# If NULL is implied on columns without needing to be explicitly specified
implied_column_null = False
uppercases_column_names = True uppercases_column_names = True
def __init__(self, connection): def __init__(self, connection):

4
django/db/backends/schema.py
View File

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