persisting primary keys through rows

lazy.go

@@ -17,13 +17,18 @@ type MockResults struct {
 	Rows    [][]driver.Value
 }
 
-func GenerateRandomResults(query string, exampleObj any, keyVal any, rowCount int) (*MockResults, error) {
+func GenerateRandomResults(query string, exampleObj any, keyVal []any, rowCount int) (*MockResults, error) {
 	if exampleObj == nil {
 		return nil, errors.New("exampleObj cannot be nil")
 	}
 	if rowCount == 0 {
 		rowCount = 1
 	}
+	if len(keyVal) != 0 {
+		if len(keyVal) != rowCount {
+			return nil, errors.New("you must provide a key for each row")
+		}
+	}
 
 	retType := reflect.TypeOf(exampleObj)
 	maxFieldCount := retType.NumField()