使用MONTHDELTA不成功,数据库是Mysql, 大神们帮忙找下问题呢,谢谢!SELECT ${switch(维度,"月","MONTHDELTA(date(last_update_date),-1)")} '时间',entirety_ppkFROM `pspc_ppk_report`where last_update_date between '${datedelta(today(),-365)}' and '${today()}'and ce_parameter ='THICK_DIFF_FAE_REDGE5'and attachment_resource = 'TMJIV002'and ppk_interval_type = '1'group by ${switch(维度,"月","MONTHDELTA(date(last_update_date),-1)")}