fix cov

FerretDB · Jun 22, 2023 · da16a46 · da16a46
1 parent d6cd8f5
commit da16a46
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/integration/aggregate_documents_compat_test.go b/integration/aggregate_documents_compat_test.go
@@ -1616,6 +1616,12 @@ func TestAggregateCompatProject(t *testing.T) {
 				bson.D{{"$project", bson.D{{"_id", bson.D{{"v", "foo"}}}}}},
 			},
 		},
+		"IDType": {
+			pipeline: bson.A{
+				bson.D{{"$sort", bson.D{{"_id", -1}}}},
+				bson.D{{"$project", bson.D{{"_id", bson.D{{"$type", "$v"}}}}}},
+			},
+		},
 		"DocumentAndValue": {
 			pipeline: bson.A{
 				bson.D{{"$sort", bson.D{{"_id", -1}}}},

diff --git a/internal/handlers/common/aggregations/stages/projection/projection.go b/internal/handlers/common/aggregations/stages/projection/projection.go
@@ -260,7 +260,7 @@ func ProjectDocument(doc, projection *types.Document, inclusion bool) (*types.Do
 				return nil, processOperatorError(err)
 			}
 
-			value, err = op.Process(projected)
+			value, err = op.Process(doc)
 			if err != nil {
 				return nil, err
 			}