stockArr:=getbkbydate('SH000016',20190201T);

s:=select ['StockID'] as '代码',
       ["StockName"] as "名称",
       ['price'] as '收盘',
       stockzf(['date'],['date']) as '涨幅(%)'
       from markettable datekey 20190201T to 20190201T of stockArr end;

RPSValue(s,'涨幅(%)');

return s;