From c7bd8730f2b615141b932e501debecc6bccb159d Mon Sep 17 00:00:00 2001
From: Tor Egge <Tor.Egge@online.no>
Date: Wed, 13 Nov 2024 13:53:16 +0100
Subject: [PATCH] Skip bitvector dictionary lookup for words with no posting
 list.

---
 searchlib/src/vespa/searchlib/diskindex/field_index.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/searchlib/src/vespa/searchlib/diskindex/field_index.cpp b/searchlib/src/vespa/searchlib/diskindex/field_index.cpp
index cc318a68445a..dac7b1cf7a5f 100644
--- a/searchlib/src/vespa/searchlib/diskindex/field_index.cpp
+++ b/searchlib/src/vespa/searchlib/diskindex/field_index.cpp
@@ -210,7 +210,7 @@ FieldIndex::read_posting_list(const DictionaryLookupResult& lookup_result) const
 BitVectorDictionaryLookupResult
 FieldIndex::lookup_bit_vector(const DictionaryLookupResult& lookup_result) const
 {
-    if (!_bit_vector_dict) {
+    if (!_bit_vector_dict || !lookup_result.valid()) {
         return {};
     }
     return _bit_vector_dict->lookup(lookup_result.wordNum);