diff options
Diffstat (limited to 'django/db/models/expressions.py')
| -rw-r--r-- | django/db/models/expressions.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/django/db/models/expressions.py b/django/db/models/expressions.py index 4ea179ecde..30d44650ec 100644 --- a/django/db/models/expressions.py +++ b/django/db/models/expressions.py @@ -512,6 +512,25 @@ class Expression(BaseExpression, Combinable): _connector_combinations = [ # Numeric operations - operands of same type. + # PositiveIntegerField should take precedence over IntegerField (except + # subtraction). + { + connector: [ + ( + fields.PositiveIntegerField, + fields.PositiveIntegerField, + fields.PositiveIntegerField, + ), + ] + for connector in ( + Combinable.ADD, + Combinable.MUL, + Combinable.DIV, + Combinable.MOD, + Combinable.POW, + ) + }, + # Other numeric operands. { connector: [ (fields.IntegerField, fields.IntegerField, fields.IntegerField), |