小编Evg*_*eny的帖子

我使用 PostgreSQL，它用于报告。目前的配置方式如下：

有一个复杂的查询返回报告数据，如下所示：

select Column1 as Name1, Column2 as Name2
from sometable tbl
inner join ...
where ...
and ...
and $1 <= somedate
and $2 >= somedate
group by ...
order by ...;

有一个使用此查询的函数并定义为

CREATE OR REPLACE FUNCTION GetMyReport(IN fromdate timestamp without time zone, IN todate timestamp without time zone)
  RETURNS TABLE(Name1 character varying, Name2 character varying) AS
$BODY$

--query start
select Column1 as Name1, Column2 as Name2
from sometable tbl
inner join ...
where ...
and ...
and …