postgresql 匿名函数（单独执行代码段）

do LANGUAGE plpgsql
$$
declare
  top integer;
  row_org dbo.a_org_type%rowtype;
begin
  /* Insert real code here */
  select into row_org * from dbo.a_org_type order by id desc limit 1;
  top := row_org.id + 1;
  
  for idx in 1..5 loop
    insert into dbo.a_org_type(id, des) 
    values(top, ‘shang hai ‘ || top);
    
    top := top + 1;
  end loop;
  
end;
$$