MT#6969 MT#9041 fix the aig sequence auto-increment

db_scripts/diff/15099.up

@@ -11,11 +11,8 @@ update voip_allowed_ip_groups set group_id = group_id + @gid where group_id <= 1
 update voip_usr_preferences set value = value + @gid where attribute_id in(@aigid, @maigid);
 
 -- reset sequence table 
--- "alter table x auto_increment=@y" fails, so work around it:
 truncate table voip_aig_sequence;
-select @ai := (select ifnull(max(group_id)+1,100) from voip_allowed_ip_groups);
-set @qry = concat('alter table voip_aig_sequence auto_increment=',@ai);
-prepare stmt from @qry; 
-execute stmt;
+select max(group_id) into @ai from voip_allowed_ip_groups;
+insert into voip_aig_sequence values(ifnull(@ai,100));
 
 unlock tables;