[master] PL end tx to clean txn property

src/pl/ob_pl.cpp

@@ -741,10 +741,9 @@ void ObPLContext::destory(
               LOG_DEBUG("explicit end trans success!", K(ret));
             }
           } else { // 不确定上层是否会扔回队列重试,因此失败了一定要走同步提交
-            if (session_info.get_in_transaction()) {
+            // always call commit/rollback txn in order to reset txn because of autocommit
             tmp_ret = implicit_end_trans(session_info, ctx, ret != OB_SUCCESS);
           }
-          }
           ret = OB_SUCCESS == ret ? tmp_ret : ret;
         }
       }