+ if(lfta_list[s]->query_plan[0]->node_type() == "filter_join"){
+ filter_join_qpn *fj_node = (filter_join_qpn *)lfta_list[s]->query_plan[0];
+ sl_list = fj_node->get_select_se_list();
+ col_id ci; // also get the temporal var in case not in select list
+ ci.load_from_colref(fj_node->temporal_var);
+ temp_cids.insert(ci);
+ }
+ if(lfta_list[s]->query_plan[0]->node_type() == "watch_join"){
+ watch_join_qpn *wj_node = (watch_join_qpn *)lfta_list[s]->query_plan[0];
+ sl_list = wj_node->get_select_se_list();
+ }
+