获得价格区间

--获得价格区间--

CREATE OR REPLACE function WANFO. fn_GetPriceArea ( v_dj number )
return varchar2
is

v_jgqj varchar2( 50);
SQL_GETPRICEAREA varchar2( 2000);

begin

SQL_GETPRICEAREA:='SELECT flag FROM JGQJB WHERE ZXJE <= ''' ||v_dj ||''' AND ZDJE > '''||v_dj|| ''' ';

execute immediate SQL_GETPRICEAREA into v_jgqj;--执行oracle 方法

 if  v_jgqj is null or v_jgqj ='' then  ---判读返回值是否为空
    begin
        v_jgqj :=0;
    end;
 end if;

return v_jgqj;

exception

  when others then dbms_output.put_line( 'error');
  return -1 ;
end fn_GetPriceArea ;
/