自定义关键词连接 join
以 full join 为例
.join("FULL JOIN", UserAddressDO.class, "user_address addr on t.id = addr.user_id")
对应sql
FULL JOIN user_address addr on t.id = addr.user_id
.join("FULL JOIN", UserAddressDO.class, "user_address addr on t.id = addr.user_id")
对应sql
FULL JOIN user_address addr on t.id = addr.user_id