select group_concat(concat('\'',col1,'\'')) from table1 where col1='xx' ;
可以得到以逗号链接的值,如: 'a','b','c',等
不过最大长度为1024个字符
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1185767500
why we only heard about haves(富) and have-nots(贫), but we did'nt heard about doers(勤快) and doer-nots(懒惰).
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