postgresql7.4 select evaluation__party_id(:user_id,:task_id) select crr.title, crr.item_id from evaluation_answers ea, cr_revisions crr where ea.answer_id = :answer_id and crr.revision_id = ea.answer_id update cr_revisions set lob = [set __lob_id [db_string get_lob_id "select empty_lob()"]] where revision_id = :revision_id update cr_revisions set content = :url where revision_id = :revision_id