Merge pull request #31194 from vespa-engine/bratseth/stemming-trace

Trace no stemming due to language=UNKNOWN

2 files changed, 7 insertions, 4 deletions

diff --git a/container-search/src/main/java/com/yahoo/prelude/querytransform/StemmingSearcher.java b/container-search/src/main/java/com/yahoo/prelude/querytransform/StemmingSearcher.java
index f27e9bbc281..0ea9cefc63e 100644
--- a/container-search/src/main/java/com/yahoo/prelude/querytransform/StemmingSearcher.java
+++ b/container-search/src/main/java/com/yahoo/prelude/querytransform/StemmingSearcher.java
@@ -109,14 +109,17 @@ public class StemmingSearcher extends Searcher {
 
     private Item replaceTerms(Query q, IndexFacts.Session indexFacts) {
         Language language = q.getModel().getParsingLanguage();
-        if (language == Language.UNKNOWN) return q.getModel().getQueryTree().getRoot();
+        if (language == Language.UNKNOWN) {
+            q.trace("Language is unknown, not stemming", 3);
+            return q.getModel().getQueryTree().getRoot();
+        }
 
         StemContext context = new StemContext();
         context.isCJK = language.isCjk();
         context.language = language;
         context.indexFacts = indexFacts;
         context.reverseConnectivity = createReverseConnectivities(q.getModel().getQueryTree().getRoot());
-        q.trace("Stemming with language="+language, 3);
+        q.trace("Stemming with language " + language, 3);
         return scan(q.getModel().getQueryTree().getRoot(), context);
     }
 
diff --git a/container-search/src/main/java/com/yahoo/search/significance/SignificanceSearcher.java b/container-search/src/main/java/com/yahoo/search/significance/SignificanceSearcher.java
index f6025dc6ba7..e3a559da8f9 100644
--- a/container-search/src/main/java/com/yahoo/search/significance/SignificanceSearcher.java
+++ b/container-search/src/main/java/com/yahoo/search/significance/SignificanceSearcher.java
@@ -30,9 +30,8 @@ import static com.yahoo.prelude.querytransform.StemmingSearcher.STEMMING;
 /**
  * Sets significance values on word items in the query tree.
  *
- * @author MariusArhaug
+ * @author Marius Arhaug
  */
-
 @Provides(SignificanceSearcher.SIGNIFICANCE)
 @Before(STEMMING)
 public class SignificanceSearcher extends Searcher {
@@ -112,6 +111,7 @@ public class SignificanceSearcher extends Searcher {
     public static double calculateIDF(long N, long nq_i) {
         return Math.log(1 + (N - nq_i + 0.5) / (nq_i + 0.5));
     }
+
 }