fix OkResult objs ref

Author: elianddb

enginetest/queries/insert_queries.go

@@ -3158,15 +3158,15 @@ var InsertBrokenScripts = []ScriptTest{
 		Assertions: []ScriptTestAssertion{
 			{
 				Query:    "insert into t_auto values ()",
-				Expected: []sql.Row{{types.NewOkResult(1)}},
+				Expected: []sql.Row{{types.OkResult{RowsAffected: 1, InsertID: 1}}},
 			},
 			{
 				Query:    "select * from t_auto",
 				Expected: []sql.Row{{1, nil}},
 			},
 			{
 				Query:    "insert into t_default_null values ()",
-				Expected: []sql.Row{{&types.OkResult{RowsAffected: 1, InsertID: 1}}},
+				Expected: []sql.Row{{types.OkResult{RowsAffected: 1, InsertID: 0}}},
 			},
 			{
 				Query:    "select * from t_default_null",