Você pode gostar...
search order by 1-- ohwz
search%\' union all select null#
search union all select null#
search waitfor delay \'0:0:5\'-- fjul
search and 8311=(select 8311 from pg_sleep(5))
search union all select null,null,null,null-- tdvi
search%\' union all select null,null,null,null,null-- ccqe
search) order by 1-- hhpk