Add new summary transform (attributecombiner) for complex fields that are represented by only struct field attributes.

1 files changed, 6 insertions, 0 deletions

diff --git a/config-model/src/main/java/com/yahoo/searchdefinition/processing/ImplicitSummaries.java b/config-model/src/main/java/com/yahoo/searchdefinition/processing/ImplicitSummaries.java
index 9f4a63b8a9a..b51524b7e62 100644
--- a/config-model/src/main/java/com/yahoo/searchdefinition/processing/ImplicitSummaries.java
+++ b/config-model/src/main/java/com/yahoo/searchdefinition/processing/ImplicitSummaries.java
@@ -14,6 +14,8 @@ import com.yahoo.vespa.documentmodel.SummaryField;
 import com.yahoo.vespa.documentmodel.SummaryTransform;
 import com.yahoo.vespa.model.container.search.QueryProfiles;
 
+import static com.yahoo.searchdefinition.document.ComplexAttributeFieldUtils.isComplexFieldWithOnlyStructFieldAttributes;
+
 /**
  * Makes implicitly defined summaries into explicit summaries
  *
@@ -81,6 +83,10 @@ public class ImplicitSummaries extends Processor {
             }
         }
 
+        if (addedSummaryField != null && isComplexFieldWithOnlyStructFieldAttributes(field)) {
+            addedSummaryField.setTransform(SummaryTransform.ATTRIBUTECOMBINER);
+        }
+
         // Position attributes
         if (field.doesSummarying()) {
             for (Attribute attribute : field.getAttributes().values()) {