node weights update

diff --git a/wwwroot/backend/mysql/test.sql b/wwwroot/backend/mysql/test.sql
index 1d2b754788471cfeaecbc5290be4e21519a5d408..893b92d1824732e1f6d88b67f5d487649f176e68 100644 (file)
--- a/wwwroot/backend/mysql/test.sql
+++ b/wwwroot/backend/mysql/test.sql
@@ -1,24 +1,20 @@
 drop procedure if exists k_neurons;
 drop function if exists k_get_node_weigth;
-
 delimiter //
-
 create function k_get_node_weigth (node INT, user INT) returns DOUBLE
 BEGIN
        declare vector,node2,len,n_owner,offset int;
        declare final,n_weight,o_weight,s_weight double;
 
        select node_vector into vector from nodes where node_id = node;
-
        set final = 1;
        /* select k from nodes into final where node_id = node;*/
 
        set len = length(vector);
        set offset = 1;
        WHILE offset < len DO
-
                /* XXX node length is hardcoded */
-               set node2 = substring(node2,offset,8);
+               set node2 = substring(vector,offset,8);
                set offset = offset + 8;
                /* weigths from user to: 
                        - all nodes from node to root node
@@ -29,20 +25,21 @@ BEGIN
                select synapse_weight into s_weight from neurons where src=user and dst=node2;
                select synapse_weight into o_weight from neurons where src=user and dst=n_owner;
                
-               if o_weight = NULL then set o_weight=1; end if;
-               if s_weight = NULL then set s_weight=1; end if;
-               if n_weight = NULL then set n_weight=1; end if;
+               if o_weight = NULL or o_weight=0 then set o_weight=1; end if;
+               if s_weight = NULL or s_weight=0 then set s_weight=1; end if;
+               if n_weight = NULL or n_weight=0 then set n_weight=1; end if;
                
                set final = final * s_weight * o_weight * n_weight;
        END WHILE;
-
        RETURN final;
 END//
-
 create procedure k_neurons ()
 begin
-       select k,node_id,node_name from nodes where k>0 
-               and node_created>now()-interval 20 day order by k_get_node_weigth(node_id,904) desc;
-end//
+--     select k_get_node_weigth(node_id,904) from nodes where k>0
+--                and node_created>now()-interval 20 day;
+       select k,node_id,node_name,k_get_node_weigth(node_id,904) from nodes where k>0
+                and node_created>now()-interval 20 day;
 
+--     select * from tmp_table order by k_weight desc;
+end//
 delimiter ;