Don't insert empty multivalued attribute fields in summary

1 files changed, 5 insertions, 1 deletions

diff --git a/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp b/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
index 19dd096c46c..1ca1a336d2d 100644
--- a/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
+++ b/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
@@ -149,9 +149,13 @@ MultiAttrDFW::insertField(uint32_t docid, GetDocsumsState *state, ResType, Inser
     using vespalib::slime::Cursor;
     using vespalib::Memory;
     const IAttributeVector & v = vec(*state);
-    uint32_t entries = v.getValueCount(docid);
     bool isWeightedSet = v.hasWeightedSetType();
 
+    uint32_t entries = v.getValueCount(docid);
+    if (entries == 0) {
+        return;  // Don't insert empty fields
+    }
+
     Cursor &arr = target.insertArray();
     BasicType::Type t = v.getBasicType();
     switch (t) {