
1 julyclyde 2016-12-20 21:23:47 +08:00 insert ignore? |
2 billlee 2016-12-20 21:49:09 +08:00 那你为什么用 REPLACE 干嘛,用 INSERT |
3 north521 2016-12-20 21:59:55 +08:00 ON DUPLICATE KEY UPDATE |
4 inaho 2016-12-20 22:01:58 +08:00 楼上+1 , 加个唯一索引 |
5 TaMud 2016-12-20 22:17:05 +08:00 1 、唯一索引 2 、 WHERE NOT EXISTS |
6 darrenfang 2016-12-21 07:47:21 +08:00 via iPhone insert ignore |
7 wwulfric 2016-12-21 10:39:36 +08:00 唯一索引会报错啊 |
8 Zuckonit 2016-12-21 11:02:31 +08:00 1. mysql 2. unique index 3. ON DUPLICATE KEY UPDATE / INSERT IGNORE |
9 anthow 2016-12-21 11:48:47 +08:00 merge into ... when not matched then insert... |
10 ihuotui 2016-12-21 12:03:52 +08:00 捕获唯一索引的错误,然后变为更新操作啊。 |
11 rekulas 2016-12-21 23:01:56 +08:00 insert into table1(a,b,c) select v1,v2,v3 from dual where not exists (select * from table1 where a='a') 这样也可以无重复插入 |