Expose SameElement query terms to ranking.

A TermFieldMatchData is allocated per SameElement term,
and this is used to signal matching docids in doUnpack() on the SameElement search iterator.
This allows using the matches() rank feature on a field (virtual) that is searched using a SameElement term.

1 files changed, 2 insertions, 1 deletions

diff --git a/searchlib/src/tests/queryeval/filter_search/filter_search_test.cpp b/searchlib/src/tests/queryeval/filter_search/filter_search_test.cpp
index 83dc574c16c..6c344d787ab 100644
--- a/searchlib/src/tests/queryeval/filter_search/filter_search_test.cpp
+++ b/searchlib/src/tests/queryeval/filter_search/filter_search_test.cpp
@@ -306,8 +306,9 @@ struct ParallelWeakAndAdapter {
 
 // enable Make-ing same element
 struct SameElementAdapter {
+    FieldSpec field;
     SameElementBlueprint blueprint;
-    SameElementAdapter() : blueprint("foo", false) {}
+    SameElementAdapter() : field("foo", 5, 11), blueprint(field, false) {}
     void addChild(std::unique_ptr<Blueprint> child) {
         auto child_field = blueprint.getNextChildField("foo", 3);
         auto term = std::make_unique<LeafProxy>(child_field, std::move(child));