generic expression aggregation check all children are -> any child is (…

…#482)

* generic expression aggregation check all children are -> any child is

changes the generic logic checking if an expression is an aggregation to just checking if there is any child which aggregates rather than all children aggregating

* values are aggregations

* fix make check

* remove now incorrect test

* cov

* fix check

* trying to fix parse error

dj/sql/parsing/ast.py

@@ -1371,6 +1371,9 @@ class Value(Expression):
     Base class for all values number, string, boolean
     """
 
+    def is_aggregation(self) -> bool:
+        return True
+
 
 @dataclass(eq=False)
 class Null(Value):

tests/models/node_test.py

@@ -72,7 +72,9 @@ def test_extra_validation() -> None:
         type=node.type,
         node=node,
         version="1",
-        query="SELECT 42",
+        query="SELECT count(repair_order_id) + "
+        "repair_order_id AS num_repair_orders "
+        "FROM repair_orders",
     )
     with pytest.raises(Exception) as excinfo:
         node_revision.extra_validation()