mysql> update articlestat set usr_id="someone@gmail.com" where articleid=11;
Query OK, 1 row affected (0.05 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> update articlestat set usr_id=usr_id+ ",some2@gmail.com" where artic
leid=11;
Query OK, 1 row affected, 1 warning (0.04 sec)
Rows matched: 1 Changed: 1 Warnings: 1
Warning (Code 1292): Truncated incorrect DOUBLE value: ',praveen2dj@gmail.com'
帮助我被困在这里,我需要的只是一种将两个邮件ID附加到同一字段中的方法。
Field Type
usr_id varchar(1024)