get diagnostics cnt := row_count;

现在有两个表tab1和tab2,两个表的格式相同,tab1中有1000条数据,tab2中0条数据

创建测试功能函数

create or replace function test_fun()

return integer as

$body$

declare

rowcnt integer;

begin

insert into tab2 select * from tab1;

get diagnostics rowcnt := row_count;

return rowcnt;

end;

$body$

LANGUAGE plpgsql VOLATILE;

ALTER FUNCTION test_fun()

OWNER TO gpadmin;

执行

select test_fun()

返回结果1000

04-26 19:51