Maison >base de données >tutoriel mysql >mysql GROUP_CONCAT结果是blob类型的,怎么转换成varchar
mysqlblob
select faudit_main_id,GROUP_CONCAT( CONCAT('[',
CONCAT_WS('&',FAUDIT_SUB_INDEX, FAUDIT_SRC_FIELD,FAUDIT_DST_FIELD,FAUDIT_ISKEY, FAUDIT_OPT),
']') ) sub_desc
from MIG_AUDITF_SUB
group by faudit_main_id