fix

FerretDB · Jul 21, 2023 · 34bdbbd · 34bdbbd
1 parent 5d30c49
commit 34bdbbd
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/internal/handlers/common/aggregations/stages/group.go b/internal/handlers/common/aggregations/stages/group.go
@@ -83,10 +83,12 @@ func newGroup(stage *types.Document) (aggregations.Stage, error) {
 
 		if field == "_id" {
 			if doc, ok := v.(*types.Document); ok {
-				if !operators.IsOperator(doc) {
-					if err = validateExpression("$group", doc); err != nil {
-						return nil, err
+				if err = validateExpression("$group", doc); err != nil {
+					if !operators.IsOperator(doc) {
+						continue
+
 					}
+					return nil, err
 				}
 			}
 			groupKey = v