加了这段代码还是报错
sql:select e.* from tlk_tm_budget_expense e left join tlk_calendar c on e.item_startdate between c.item_from and c.item_to where item_region='HD' and c.item_year='FY'+substring('2013',3,2) and c.item_quarter=substring('Q1',2,1)
操作过程和电话沟通的一样。