private static CompoundName newCompoundName(String name) {
        return CompoundName.from(GroupingExecutor.class.getName() + "." + name);
    }
Sets the list of {@link Grouping} objects assigned to the given query. This method overwrites any grouping
objects already assigned to the query.

@param query the query whose grouping list to set
@param list   the grouping list to set
container-search/src/main/java/com/yahoo/search/grouping/vespa/GroupingExecutor.java