今天在使用TK mybatis 插件時出現了一個奇怪的現象,當我調用selectByPrimaryKey(7)時,mybatis的sql日志打印為如下所示
===> Preparing SELECT id,a, b, c FROM test WEHER id =? and a = ? and b = ? and c=?
===> Parameters: 7(Long),7(Long),7(Long),7(Long),7(Long)
然后我百度查了相似問題,
發現是PO類里沒有給主鍵添加javax.persistence.@ID注解導致的
添加完后的sql打印為:
===> Preparing SELECT id,a, b, c FROM test WEHER id =?
===> Parameters: 7(Long)