oct 25

Author: timgraham

django_cockroachdb/features.py

@@ -48,6 +48,10 @@ class DatabaseFeatures(PostgresDatabaseFeatures):
     # https://github.com/cockroachdb/cockroach/issues/95068
     supports_comments = False
 
+    # CockroachDB doesn't support UNIQUE NULLS NOT DISTINCT:
+    # https://github.com/cockroachdb/cockroach/issues/115836
+    supports_nulls_distinct_unique_constraints = False
+
     @cached_property
     def introspected_field_types(self):
         return {

django_cockroachdb/schema.py

@@ -18,7 +18,10 @@ class DatabaseSchemaEditor(PostgresDatabaseSchemaEditor):
 
     # The PostgreSQL backend uses "SET CONSTRAINTS ... IMMEDIATE" after
     # creating this foreign key. This isn't supported by CockroachDB.
-    sql_create_column_inline_fk = 'CONSTRAINT %(name)s REFERENCES %(to_table)s(%(to_column)s)%(deferrable)s'
+    sql_create_column_inline_fk = (
+        'CONSTRAINT %(name)s REFERENCES %(to_table)s(%(to_column)s)'
+        '%(on_delete_db)s%(deferrable)s'
+    )
 
     # The PostgreSQL backend uses "SET CONSTRAINTS ... IMMEDIATE" after this
     # statement. This isn't supported by CockroachDB.