Map child LID to parent LID space in onSerializeFor...Sort functions

1 files changed, 4 insertions, 2 deletions

diff --git a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector.cpp b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector.cpp
index b6ff442ae94..270f4d51788 100644
--- a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector.cpp
+++ b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector.cpp
@@ -135,14 +135,16 @@ long ImportedAttributeVector::onSerializeForAscendingSort(DocId doc,
                                                           void *serTo,
                                                           long available,
                                                           const common::BlobConverter *bc) const {
-    return _target_attribute->serializeForAscendingSort(doc, serTo, available, bc);
+    return _target_attribute->serializeForAscendingSort(
+            _reference_attribute->getReferencedLid(doc), serTo, available, bc);
 }
 
 long ImportedAttributeVector::onSerializeForDescendingSort(DocId doc,
                                                            void *serTo,
                                                            long available,
                                                            const common::BlobConverter *bc) const {
-    return _target_attribute->serializeForDescendingSort(doc, serTo, available, bc);
+    return _target_attribute->serializeForDescendingSort(
+            _reference_attribute->getReferencedLid(doc), serTo, available, bc);
 }
 
 namespace {