使用MYSQL查询分割字符串-
id message mobile status
1 hello 9074739352 DELIVERED
2 hi 9074739352,9074739353 DELIVERED,FAILED
3 Testing 9074739353 DELIVERED
4 Sorav 9074739353,9074739354,9074739355 DELIVERED,FAILED,DELIVERED
5 good 9074739353 DELIVERED
使用此查询-SELECT * FROM send_sms
它得到这样的结果-
array(
[0] => array(
'id' => 1,
'message' => 'hello',
'mobile' => '9074739352',
'status' => 'DELIVERED'
),
[1] => array(
'id' => 2,
'message' => 'hi',
'mobile' => '9074739352,9074739353',
'status' => 'DELIVERED,FAILED'
),
[2] => array(
'id' => 3,
'message' => 'Testing',
'mobile' => '9074739353',
'status' => 'DELIVERED'
),
[3] => array(
'id' => 4,
'message' => 'Sorav',
'mobile' => '9074739353,9074739354,9074739355',
'status' => 'DELIVERED,FAILED,DELIVERED'
),
[4] => array(
'id' => 5,
'message' => 'good',
'mobile' => '9074739353',
'status' => 'DELIVERED'
)
)
但是我想使用MYSQL查询得到类似的结果-
array(
[0] => array(
'id' => 1,
'message' => 'hello',
'mobile' => '9074739352',
'status' => 'DELIVERED'
),
[1] => array(
'id' => 2,
'message' => 'hi',
'mobile' => '9074739352',
'status' => 'DELIVERED'
),
[2] => array(
'id' => 2,
'message' => 'hi',
'mobile' => '9074739353',
'status' => 'FAILED'
),
[3] => array(
'id' => 3,
'message' => 'Testing',
'mobile' => '9074739353',
'status' => 'DELIVERED'
),
[4] => array(
'id' => 4,
'message' => 'Sorav',
'mobile' => '9074739353',
'status' => 'DELIVERED'
),
[5] => array(
'id' => 4,
'message' => 'Sorav',
'mobile' => '9074739354',
'status' => 'FAILED'
),
[6] => array(
'id' => 4,
'message' => 'Sorav',
'mobile' => '9074739355',
'status' => 'DELIVERED'
),
[7] => array(
'id' => 5,
'message' => 'good',
'mobile' => '9074739353',
'status' => 'DELIVERED'
)
)
我想使用MYSQL查询解决此问题。
您可以使用SUBSTRING_INDEX来做到这一点
SELECT
id,
message,
SUBSTRING_INDEX(mobile,',',1) AS mobile,
status
FROM send_sms;
样本
MariaDB > select SUBSTRING_INDEX('9074739352,9074739353',',',1);
+------------------------------------------------+
| SUBSTRING_INDEX('9074739352,9074739353',',',1) |
+------------------------------------------------+
| 9074739352 |
+------------------------------------------------+
您可以使用下面的查询查询所需的出站,
select id,message,SUBSTRING_INDEX(mobile,",",1) as mobile,SUBSTRING_INDEX(status,",",1) as status from send_sms
union select id,message,substring_index(SUBSTRING_INDEX(mobile,",",2),',',-1) as mobile,substring_index(SUBSTRING_INDEX(status,",",2),',',-1) as status from send_sms
union select id,message,substring_index(SUBSTRING_INDEX(mobile,",",3),',',-1) as mobile,substring_index(SUBSTRING_INDEX(status,",",3),',',-1) as status from send_sms;
但是创建这样的数据库设计不是一个好习惯。