filter的时间过滤问题
ls_filter=ls_filter+" and to_Date(h.enddate,'yyyymmdd h24:mi:ss')>=to_date(sysdate,'yyyymmdd h24:mi:ss')"

运行的时候提示:
')'expected to close expression aftber function

但是好像不缺右括号啊

------解决方案--------------------------------------------------------
ls_filter=ls_filter+" and string(h.enddate,'yyyymmdd h24:mi:ss')>=string(sysdate,'yyyymmdd h24:mi:ss')"


用setfilter过滤时间我一般都是这样过滤的： 
ls_filter = "string(h.enddate,'yyyymmdd h24:mi:ss') >= '"+string(sysdate,'yyyymmdd h24:mi:ss')+"'"
dw_1.setfilter(ls_filter)
dw_1.filter()