Criterion {par_ordre_liste field, #LISTE{...}} allows you to explicitly order the results of a loop so that the value of field follows the order of the array passed in the 2nd parameter.
In the simplest loops, the result is the same as using a {field IN ...}; but with the IN criterion, the order specified by the list is ignored if there is another sorting criterion or a join.
In addition
- The {by_order_list ...} criterion is used to separate the selection from the ranking;
- It can be combined with other criteria {par...} in any order.