Docsum and bolding: don't return empty strings for empty fields

1 files changed, 4 insertions, 2 deletions

diff --git a/searchsummary/src/vespa/searchsummary/docsummary/dynamicteaserdfw.cpp b/searchsummary/src/vespa/searchsummary/docsummary/dynamicteaserdfw.cpp
index b9177ac8782..d785e25f5df 100644
--- a/searchsummary/src/vespa/searchsummary/docsummary/dynamicteaserdfw.cpp
+++ b/searchsummary/src/vespa/searchsummary/docsummary/dynamicteaserdfw.cpp
@@ -436,8 +436,10 @@ DynamicTeaserDFW::insertField(uint32_t docid, GeneralResult *gres, GetDocsumsSta
                               vespalib::slime::Inserter &target)
 {
     vespalib::string teaser = makeDynamicTeaser(docid, gres, state);
-    vespalib::Memory value(teaser.c_str(), teaser.size());
-    target.insertString(value);
+    if (teaser.length() > 0) {
+        vespalib::Memory value(teaser.c_str(), teaser.size());
+        target.insertString(value);
+    }
 }
 
 }