SortSpecification.java

In the SDX 2.2 release initial results are sorted by rank, but once another sort takes place, it is not possible to obtain the original sort order.

The bug fix below allows re-sorting of results by rank
(using the in-bulit field name 'sdxscore')

66,67d65
<  *
<  * With bug fix changes by AJS to allow re-sorting by rank (sdxscore) 29/04/04
129c127
<         if (f != null) {
---

>         if (f != null)

131,133d128
<         } else if (fieldName.equals(SortSpecification.SORT_RANKING)) {
<         sortKeys.add(new SortKey(null, order));
<         }
147a143

>

412,413c408
<                 if (field.getCode().equals(SortSpecification.SORT_RANKING)) rankingSort = true;
<                 if (this.field == null) rankingSort = true;
---

>                 if (field.getCode().equals(SortSpecification.SORT_RANKING)) rankingSort = true;