select * from si_application x join si_product_file y on x.ap_no=y.pf_tno where y.pf_table='si_application' and x.ap_lang='en' and x.ap_useing='Y' order by ap_sort desc limit -10,12

1064 : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-10,12' at line 7

error file : /application/application.php