Mysql -重复密钥更新不为2个密钥工作


Mysql - On Duplicate Key Update not working for 2 keys

你好,我有一个表,有两个唯一的键profile_id和日期。我不知道问题出在哪里,但是我的查询不工作。

表:

CREATE TABLE `profile_views` 
    ('n  `id` int(11) NOT NULL AUTO_INCREMENT,
    'n  `profile_id` varchar(45) DEFAULT NULL,
    'n  `counter` varchar(45) DEFAULT NULL,
    'n  `date` date DEFAULT NULL,
    'n  PRIMARY KEY (`id`),
    'n  UNIQUE KEY `date_UNIQUE` (`date`),
    'n  UNIQUE KEY `profile_id_UNIQUE` (`profile_id`)'n
    ) ENGINE=InnoDB AUTO_INCREMENT=150 DEFAULT CHARSET=latin1'

Data Right Now:

# id , profile_id, counter, date
  113,      2    ,   36   , 2015-08-27

我发出这个命令:

INSERT INTO profile_views (profile_id, counter, date) 
VALUES (2, 1, '2015-08-28') 
ON DUPLICATE KEY UPDATE counter = counter+1;

INSERT INTO profile_views (profile_id, counter, date) 
VALUES (2, 1, '2015-08-27') 
ON DUPLICATE KEY UPDATE counter = counter+1;

在这个查询中,我只是更改了日期,所以它应该插入新行。

My Desired Results:

如果我改变日期,它仍然改变相同的配置文件id计数器。我想为每个配置文件id存储每天的配置文件视图。因此,如果日期和配置文件id相同,则增加计数器,否则插入新行。

帮忙吗?谢谢。

Schema:

CREATE TABLE `profile_views` 
(  
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `profile_id` varchar(45) DEFAULT NULL,
   `counter` varchar(45) DEFAULT NULL,
   `date` date DEFAULT NULL,
   PRIMARY KEY (`id`),
   UNIQUE KEY `date_UNIQUE` (`date`),
   UNIQUE KEY `profile_id_UNIQUE` (`profile_id`)
) ENGINE=InnoDB auto_increment=150;
insert profile_views (id,profile_id,counter,date) values (113,2,36,'2015-08-27');

……

select * from profile_views;
+-----+------------+---------+------------+
| id  | profile_id | counter | date       |
+-----+------------+---------+------------+
| 113 | 2          | 36      | 2015-08-27 |
+-----+------------+---------+------------+
INSERT INTO profile_views (profile_id, counter, date) 
VALUES (2, 1, '2015-08-28') 
ON DUPLICATE KEY UPDATE counter = counter+1;
-- 2 row(s) affected
select * from profile_views;
+-----+------------+---------+------------+
| id  | profile_id | counter | date       |
+-----+------------+---------+------------+
| 113 | 2          | 37      | 2015-08-27 |
+-----+------------+---------+------------+
INSERT INTO profile_views (profile_id, counter, date) 
VALUES (2, 1, '2015-08-27') 
ON DUPLICATE KEY UPDATE counter = counter+1;
-- 2 row(s) affected
select * from profile_views;
+-----+------------+---------+------------+
| id  | profile_id | counter | date       |
+-----+------------+---------+------------+
| 113 | 2          | 38      | 2015-08-27 |
+-----+------------+---------+------------+

我觉得不错。对重复更新的每次插入都有一个唯一的键冲突,从而允许更新发生。冲突是什么?profile_id上的唯一键可以

我错过了什么?

如果你一步一步地列出,人们可以更好地想象:>

编辑:(OP改变主意)

CREATE TABLE `profile_views` 
(  
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `profile_id` varchar(45) DEFAULT NULL,
    `counter` varchar(45) DEFAULT NULL,
    `date` date DEFAULT NULL,
    PRIMARY KEY (`id`),
    UNIQUE KEY `combo_thingie1` (profile_id,`date`)  -- unique composite
) ENGINE=InnoDB auto_increment=150;
insert profile_views (id,profile_id,counter,date) values (113,2,36,'2015-08-27');

... ...

select * from profile_views;
+-----+------------+---------+------------+
| id  | profile_id | counter | date       |
+-----+------------+---------+------------+
| 113 | 2          | 36      | 2015-08-27 |
+-----+------------+---------+------------+
INSERT INTO profile_views (profile_id, counter, date) 
VALUES (2, 1, '2015-08-28') 
ON DUPLICATE KEY UPDATE counter = counter+1;
select * from profile_views;
+-----+------------+---------+------------+
| id  | profile_id | counter | date       |
+-----+------------+---------+------------+
| 113 | 2          | 36      | 2015-08-27 |
| 150 | 2          | 1       | 2015-08-28 |
+-----+------------+---------+------------+
INSERT INTO profile_views (profile_id, counter, date) 
VALUES (2, 1, '2015-08-27') 
ON DUPLICATE KEY UPDATE counter = counter+1;
select * from profile_views;
+-----+------------+---------+------------+
| id  | profile_id | counter | date       |
+-----+------------+---------+------------+
| 113 | 2          | 37      | 2015-08-27 |
| 150 | 2          | 1       | 2015-08-28 |
+-----+------------+---------+------------+

我想出了这个疯狂的结构——它为新的日期插入新的记录,然后对连续的插入语句进行更新——从而增加计数器。

   CREATE TABLE `profile_views` (
        `id` INT(11) NOT NULL AUTO_INCREMENT,
        `profile_id` VARCHAR(45) NOT NULL,
        `counter` VARCHAR(45) NOT NULL,
        `date` DATE NOT NULL,
        PRIMARY KEY (`id`, `profile_id`, `date`),
        UNIQUE INDEX `profile_id_date` (`profile_id`, `date`),
        UNIQUE INDEX `id_profile_id_date` (`id`, `profile_id`, `date`)
    )
    COLLATE='latin1_swedish_ci'
    ENGINE=InnoDB
    AUTO_INCREMENT=267;