选择条款和错误
mysql> SELECT deviceDetails.lastUpdatedDate,connectionDetails.phoneNumber1,
deviceDetails.simImea1,deviceDetails.simImea2,deviceDetails.model,
connectionDetails.latitude, connectionDetails.longitude from connectionDetails c
inner join deviceDetails d on (c.deviceUniqueIdentity = d.deviceUniqueIdentity && d.rowStatus='0')
INTO OUTFILE '/tmp/merged.csv' FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n';
错误
ERROR 1054 (42S22): Unknown column 'deviceDetails.lastUpdatedDate' in 'field list'
表架构
mysql> describe deviceDetails;
+------------------------+--------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+------------------------+--------------+------+-----+---------+-------+
| activationDate | bigint(20) | YES | | NULL | |
| lastUpdatedDate | bigint(20) | YES | | NULL | |
您已经为表创建了别名，因此也需要在选择中使用它们。
SELECT
d.lastUpdatedDate,
c.phoneNumber1,
d.simImea1,
d.simImea2,
d.model,
c.latitude,
c.longitude
from connectionDetails c inner join deviceDetails d on (c.deviceUniqueIdentity = d.deviceUniqueIdentity && d.rowStatus='0')
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