-5
select a.NAME_
,b.EXECUTION_ID_
,b.CREATE_TIME_
,a.TEXT_
from ACT_RU_VARIABLE a
inner join ACT_RU_TASK b on a.EXECUTION_ID_=b.EXECUTION_ID_
where a.NAME_= 'ticketId'
and b.CREATE_TIME_ in (select created_date
,priority
from help_desk_ticket) ;
你可能GOOGLE了这个,你的标题已经失去了错误信息的一部分。 – philipxy
[MySQL语法错误消息“操作数应包含1列”]的可能重复(http://stackoverflow.com/questions/456644/mysql-syntax-error-message-operand-should-contain-1-columns ) – philipxy