Include NULL planned_date with datetime.date.max

review790002

product.py

@@ -284,9 +284,9 @@ class Product:
                             '('
                                 '(effective_date IS NULL) '
                             'AND '
-                                '(planned_date <= %s) '
+                                '(COALESCE(planned_date, %s) <= %s) '
                             'AND '
-                                '(planned_date >= %s)'
+                                '(COALESCE(planned_date, %s) >= %s)'
                             ')'
                         'OR '
                             '('
@@ -302,7 +302,8 @@ class Product:
                 'done', context.get('stock_assign') and 'assigned' or 'done',
                 today, today,
                 'done', 'assigned', 'draft',
-                context['stock_date_end'], today,
+                datetime.date.max, context['stock_date_end'],
+                datetime.date.max, today,
                 context['stock_date_end'], today,
                 ]