DB Error: syntax error<br /><br />SELECT
                    fil_url_portion,
                    bou_external_product_id,
                    bou_full_url
                 FROM
                    book_url,
                    afiliation
                 WHERE
                    fil_id= AND
                    bou_fil_id=fil_id AND
                    bou_bok_id=5175 [nativecode=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 'AND
                    bou_fil_id=fil_id AND
                    bou_bok_id=517' at line 9]