[GitHub] [incubator-shardingsphere] VitZhou opened a new issue #2796: select.....for update应该路由到master节点

[GitBox <gi...@apache.org>]

VitZhou opened a new issue #2796: select.....for update应该路由到master节点
URL: https://github.com/apache/incubator-shardingsphere/issues/2796
 
 
   ## Feature Request
   
   select.....for update应该路由到master节点,在一般的业务场景下,使用for update是为了锁行,然后进行数据的修改.比如:
   @Transactional
   public void updateById(String id) {
         UserEntity byId = userDAO.findById(id);
         byId.setName("update"+byId.getName());
         userDAO.update(byId);
   }
   如果路由到slave节点的话无法起到锁住数据的效果.

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