postgres循环sql

BitTigerio 2018-05-21

CREATE OR replace function loop_addDevice(i integer) RETURNS integer as
$$
    declare 
    count alias for $1;
    all_cam int;
    num_cam int;
    begin<br />    all_cam :=10;<br />    while all_cam>0  Loop<br />      insert into ...<br />      all_cam:=all_cam-1;<br />
      end loop;
    return 0;
    end;
    
$$
LANGUAGE plpgsql;

--连接到wsw
\c wsw
--先清空表
truncate encodedevice;
truncate element;
truncate area;
truncate camera;
select loop_addDevice(5000);