- Consolidate on isFilter.

- Add has_weight_iterator to IDocumentWeightAttribute to allow fallback to bitvector.
- Allow filter attributes to enjoy IDirectWeightedSet optimization.

4 files changed, 61 insertions, 129 deletions

diff --git a/searchlib/src/tests/attribute/bitvector/bitvector_test.cpp b/searchlib/src/tests/attribute/bitvector/bitvector_test.cpp
index 6e622c840b6..5fa8889a01d 100644
--- a/searchlib/src/tests/attribute/bitvector/bitvector_test.cpp
+++ b/searchlib/src/tests/attribute/bitvector/bitvector_test.cpp
@@ -53,15 +53,9 @@ struct BitVectorTest
     StringAttribute & asString(AttributePtr &v);
     FloatingPointAttribute & asFloat(AttributePtr &v);
 
-    AttributePtr
-    make(Config cfg,
-         const vespalib::string &pref,
-         bool fastSearch,
-         bool enableOnlyBitVector,
-         bool filter);
+    AttributePtr make(Config cfg, const vespalib::string &pref, bool fastSearch, bool filter);
 
-    void
-    addDocs(const AttributePtr &v, size_t sz);
+    void addDocs(const AttributePtr &v, size_t sz);
 
     template <typename VectorType>
     void populate(VectorType &v, uint32_t low, uint32_t high, bool set);
@@ -69,22 +63,16 @@ struct BitVectorTest
     template <typename VectorType>
     void populateAll(VectorType &v, uint32_t low, uint32_t high, bool set);
 
-    void
-    buildTermQuery(std::vector<char> & buffer,
-                   const vespalib::string & index,
-                   const vespalib::string & term, bool prefix);
+    void buildTermQuery(std::vector<char> & buffer, const vespalib::string & index, const vespalib::string & term, bool prefix);
 
     template <typename V>
-    vespalib::string
-    getSearchStr();
+    vespalib::string getSearchStr();
 
     template <typename V, typename T>
-    SearchContextPtr
-    getSearch(const V & vec, const T & term, bool prefix, bool useBitVector);
+    SearchContextPtr getSearch(const V & vec, const T & term, bool prefix, bool useBitVector);
 
     template <typename V>
-    SearchContextPtr
-    getSearch(const V & vec, bool useBitVector);
+    SearchContextPtr getSearch(const V & vec, bool useBitVector);
 
     void
     checkSearch(AttributePtr v,
@@ -107,10 +95,7 @@ struct BitVectorTest
 
     template <typename VectorType, typename BufferType>
     void
-    test(BasicType bt, CollectionType ct, const vespalib::string &pref,
-         bool fastSearch,
-         bool enableOnlyBitVector,
-         bool filter);
+    test(BasicType bt, CollectionType ct, const vespalib::string &pref, bool fastSearch, bool filter);
 
     template <typename VectorType, typename BufferType>
     void
@@ -195,8 +180,7 @@ BitVectorTest::getSearchStr<StringAttribute>()
 
 template <typename V, typename T>
 SearchContextPtr
-BitVectorTest::getSearch(const V &vec, const T &term, bool prefix,
-                         bool useBitVector)
+BitVectorTest::getSearch(const V &vec, const T &term, bool prefix, bool useBitVector)
 {
     std::vector<char> query;
     vespalib::asciistream ss;
@@ -211,8 +195,7 @@ BitVectorTest::getSearch(const V &vec, const T &term, bool prefix,
 
 template <>
 SearchContextPtr
-BitVectorTest::getSearch<IntegerAttribute>(const IntegerAttribute &v,
-                                           bool useBitVector)
+BitVectorTest::getSearch<IntegerAttribute>(const IntegerAttribute &v, bool useBitVector)
 {
     return getSearch<IntegerAttribute>(v, "[-42;-42]", false, useBitVector);
 }
@@ -220,32 +203,23 @@ BitVectorTest::getSearch<IntegerAttribute>(const IntegerAttribute &v,
 template <>
 SearchContextPtr
 BitVectorTest::
-getSearch<FloatingPointAttribute>(const FloatingPointAttribute &v,
-                                  bool useBitVector)
+getSearch<FloatingPointAttribute>(const FloatingPointAttribute &v, bool useBitVector)
 {
-    return getSearch<FloatingPointAttribute>(v, "[-42.0;-42.0]", false,
-                                             useBitVector);
+    return getSearch<FloatingPointAttribute>(v, "[-42.0;-42.0]", false, useBitVector);
 }
 
 template <>
 SearchContextPtr
-BitVectorTest::getSearch<StringAttribute>(const StringAttribute &v,
-                                          bool useBitVector)
+BitVectorTest::getSearch<StringAttribute>(const StringAttribute &v, bool useBitVector)
 {
-    return getSearch<StringAttribute, const vespalib::string &>
-        (v, "foo", false, useBitVector);
+    return getSearch<StringAttribute, const vespalib::string &>(v, "foo", false, useBitVector);
 }
 
 
 BitVectorTest::AttributePtr
-BitVectorTest::make(Config cfg,
-                    const vespalib::string &pref,
-                    bool fastSearch,
-                    bool enableOnlyBitVector,
-                    bool filter)
+BitVectorTest::make(Config cfg, const vespalib::string &pref, bool fastSearch, bool filter)
 {
     cfg.setFastSearch(fastSearch);
-    cfg.setEnableOnlyBitVector(enableOnlyBitVector);
     cfg.setIsFilter(filter);
     AttributePtr v = AttributeFactory::createAttribute(pref, cfg);
     return v;
@@ -267,11 +241,9 @@ BitVectorTest::addDocs(const AttributePtr &v, size_t sz)
 
 template <>
 void
-BitVectorTest::populate(IntegerAttribute &v,
-                        uint32_t low, uint32_t high,
-                        bool set)
+BitVectorTest::populate(IntegerAttribute &v, uint32_t low, uint32_t high, bool set)
 {
-    for(size_t i(low), m(high); i < m; i+= 5) {
+    for (size_t i(low), m(high); i < m; i+= 5) {
         if (!set) {
             v.clearDoc(i);
         } else if (v.hasMultiValue()) {
@@ -288,11 +260,9 @@ BitVectorTest::populate(IntegerAttribute &v,
 
 template <>
 void
-BitVectorTest::populate(FloatingPointAttribute &v,
-                        uint32_t low, uint32_t high,
-                        bool set)
+BitVectorTest::populate(FloatingPointAttribute &v, uint32_t low, uint32_t high, bool set)
 {
-    for(size_t i(low), m(high); i < m; i+= 5) {
+    for (size_t i(low), m(high); i < m; i+= 5) {
         if (!set) {
             v.clearDoc(i);
         } else if (v.hasMultiValue()) {
@@ -309,11 +279,9 @@ BitVectorTest::populate(FloatingPointAttribute &v,
 
 template <>
 void
-BitVectorTest::populate(StringAttribute &v,
-                        uint32_t low, uint32_t high,
-                        bool set)
+BitVectorTest::populate(StringAttribute &v, uint32_t low, uint32_t high, bool set)
 {
-    for(size_t i(low), m(high); i < m; i+= 5) {
+    for (size_t i(low), m(high); i < m; i+= 5) {
         if (!set) {
             v.clearDoc(i);
         } else if (v.hasMultiValue()) {
@@ -329,11 +297,9 @@ BitVectorTest::populate(StringAttribute &v,
 
 template <>
 void
-BitVectorTest::populateAll(IntegerAttribute &v,
-                        uint32_t low, uint32_t high,
-                        bool set)
+BitVectorTest::populateAll(IntegerAttribute &v, uint32_t low, uint32_t high, bool set)
 {
-    for(size_t i(low), m(high); i < m; ++i) {
+    for (size_t i(low), m(high); i < m; ++i) {
         if (!set) {
             v.clearDoc(i);
         } else if (v.hasMultiValue()) {
@@ -351,11 +317,9 @@ BitVectorTest::populateAll(IntegerAttribute &v,
 
 template <>
 void
-BitVectorTest::populateAll(FloatingPointAttribute &v,
-                           uint32_t low, uint32_t high,
-                           bool set)
+BitVectorTest::populateAll(FloatingPointAttribute &v, uint32_t low, uint32_t high, bool set)
 {
-    for(size_t i(low), m(high); i < m; ++i) {
+    for (size_t i(low), m(high); i < m; ++i) {
         if (!set) {
             v.clearDoc(i);
         } else if (v.hasMultiValue()) {
@@ -373,11 +337,9 @@ BitVectorTest::populateAll(FloatingPointAttribute &v,
 
 template <>
 void
-BitVectorTest::populateAll(StringAttribute &v,
-                           uint32_t low, uint32_t high,
-                           bool set)
+BitVectorTest::populateAll(StringAttribute &v, uint32_t low, uint32_t high, bool set)
 {
-    for(size_t i(low), m(high); i < m; ++i) {
+    for (size_t i(low), m(high); i < m; ++i) {
         if (!set) {
             v.clearDoc(i);
         } else if (v.hasMultiValue()) {
@@ -416,8 +378,7 @@ BitVectorTest::checkSearch(AttributePtr v,
         assert(!checkStride || (docId % 5) == 2u);
         sb->unpack(docId);
         EXPECT_EQUAL(md.getDocId(), docId);
-        if (v->getCollectionType() == CollectionType::SINGLE ||
-            !weights) {
+        if (v->getCollectionType() == CollectionType::SINGLE || !weights) {
             EXPECT_EQUAL(1, md.getWeight());
         } else if (v->getCollectionType() == CollectionType::ARRAY) {
             EXPECT_EQUAL(2, md.getWeight());
@@ -456,15 +417,10 @@ BitVectorTest::checkSearch(AttributePtr v,
 
 template <typename VectorType, typename BufferType>
 void
-BitVectorTest::test(BasicType bt,
-                    CollectionType ct,
-                    const vespalib::string &pref,
-                    bool fastSearch,
-                    bool enableOnlyBitVector,
-                    bool filter)
+BitVectorTest::test(BasicType bt, CollectionType ct, const vespalib::string &pref, bool fastSearch, bool filter)
 {
     Config cfg(bt, ct);
-    AttributePtr v = make(cfg, pref, fastSearch, enableOnlyBitVector, filter);
+    AttributePtr v = make(cfg, pref, fastSearch, filter);
     addDocs(v, 1024);
     auto &tv = as<VectorType>(v);
     populate(tv, 2, 1023, true);
@@ -472,7 +428,7 @@ BitVectorTest::test(BasicType bt,
     SearchContextPtr sc = getSearch<VectorType>(tv, true);
     checkSearch(v, std::move(sc), 2, 1022, 205, !fastSearch && !filter, true);
     sc = getSearch<VectorType>(tv, false);
-    checkSearch(v, std::move(sc), 2, 1022, 205, !enableOnlyBitVector && !filter, true);
+    checkSearch(v, std::move(sc), 2, 1022, 205, !filter, true);
     const search::IDocumentWeightAttribute *dwa = v->asDocumentWeightAttribute();
     if (dwa != nullptr) {
         search::IDocumentWeightAttribute::LookupResult lres = 
@@ -481,8 +437,8 @@ BitVectorTest::test(BasicType bt,
         using SI = search::queryeval::SearchIterator;
         TermFieldMatchData md;
         SI::UP dwsi(new DWSI(md, *dwa, lres));
-        if (!enableOnlyBitVector) {
-            checkSearch(v, std::move(dwsi), md, 2, 1022, 205, !filter, true);
+        if (!filter) {
+            TEST_DO(checkSearch(v, std::move(dwsi), md, 2, 1022, 205, !filter, true));
         } else {
             dwsi->initRange(1, v->getCommittedDocIdLimit());
             EXPECT_TRUE(dwsi->isAtEnd());
@@ -490,13 +446,13 @@ BitVectorTest::test(BasicType bt,
     }
     populate(tv, 2, 973, false);
     sc = getSearch<VectorType>(tv, true);
-    checkSearch(v, std::move(sc), 977, 1022, 10, !enableOnlyBitVector &&!filter, true);
+    checkSearch(v, std::move(sc), 977, 1022, 10, !filter, true);
     populate(tv, 2, 973, true);
     sc = getSearch<VectorType>(tv, true);
     checkSearch(v, std::move(sc), 2, 1022, 205, !fastSearch && !filter, true);
     addDocs(v, 15000);
     sc = getSearch<VectorType>(tv, true);
-    checkSearch(v, std::move(sc), 2, 1022, 205, !enableOnlyBitVector && !filter, true);
+    checkSearch(v, std::move(sc), 2, 1022, 205, !filter, true);
     populateAll(tv, 10, 15000, true);
     sc = getSearch<VectorType>(tv, true);
     checkSearch(v, std::move(sc), 2, 14999, 14992, !fastSearch && !filter, false);
@@ -508,85 +464,65 @@ void
 BitVectorTest::test(BasicType bt, CollectionType ct, const vespalib::string &pref)
 {
     LOG(info, "test run, pref is %s", pref.c_str());
-    test<VectorType, BufferType>(bt, ct, pref, false, false, false);
-    test<VectorType, BufferType>(bt, ct, pref, false, false, true);
-    test<VectorType, BufferType>(bt, ct, pref, true, false, false);
-    test<VectorType, BufferType>(bt, ct, pref, true, false, true);
-    test<VectorType, BufferType>(bt, ct, pref, true, true, false);
-    test<VectorType, BufferType>(bt, ct, pref, true, true, true);
+    test<VectorType, BufferType>(bt, ct, pref, false, false);
+    test<VectorType, BufferType>(bt, ct, pref, false, true);
+    test<VectorType, BufferType>(bt, ct, pref, true, false);
+    test<VectorType, BufferType>(bt, ct, pref, true, true);
 }
 
 
 TEST_F("Test bitvectors with single value int32", BitVectorTest)
 {
     f.template test<IntegerAttribute,
-        IntegerAttribute::largeint_t>(BasicType::INT32,
-                                      CollectionType::SINGLE,
-                                      "int32_sv");
+        IntegerAttribute::largeint_t>(BasicType::INT32, CollectionType::SINGLE, "int32_sv");
 }
 
 TEST_F("Test bitvectors with array value int32", BitVectorTest)
 {
     f.template test<IntegerAttribute,
-        IntegerAttribute::largeint_t>(BasicType::INT32,
-                                      CollectionType::ARRAY,
-                                      "int32_a");
+        IntegerAttribute::largeint_t>(BasicType::INT32, CollectionType::ARRAY, "int32_a");
 }
 
 TEST_F("Test bitvectors with weighted set value int32", BitVectorTest)
 {
     f.template test<IntegerAttribute,
-        IntegerAttribute::WeightedInt>(BasicType::INT32,
-                                       CollectionType::WSET,
-                                       "int32_sv");
+        IntegerAttribute::WeightedInt>(BasicType::INT32, CollectionType::WSET, "int32_sv");
 }
 
 TEST_F("Test bitvectors with single value double", BitVectorTest)
 {
     f.template test<FloatingPointAttribute,
-        double>(BasicType::DOUBLE,
-                CollectionType::SINGLE,
-                "double_sv");
+        double>(BasicType::DOUBLE, CollectionType::SINGLE, "double_sv");
 }
 
 TEST_F("Test bitvectors with array value double", BitVectorTest)
 {
     f.template test<FloatingPointAttribute,
-        double>(BasicType::DOUBLE,
-                CollectionType::ARRAY,
-                "double_a");
+        double>(BasicType::DOUBLE, CollectionType::ARRAY, "double_a");
 }
 
 TEST_F("Test bitvectors with weighted set value double", BitVectorTest)
 {
     f.template test<FloatingPointAttribute,
-        FloatingPointAttribute::WeightedFloat>(BasicType::DOUBLE,
-                                               CollectionType::WSET,
-                                               "double_ws");
+        FloatingPointAttribute::WeightedFloat>(BasicType::DOUBLE, CollectionType::WSET, "double_ws");
 }
 
 TEST_F("Test bitvectors with single value string", BitVectorTest)
 {
     f.template test<StringAttribute,
-        vespalib::string>(BasicType::STRING,
-                          CollectionType::SINGLE,
-                          "string_sv");
+        vespalib::string>(BasicType::STRING, CollectionType::SINGLE, "string_sv");
 }
 
 TEST_F("Test bitvectors with array value string", BitVectorTest)
 {
     f.template test<StringAttribute,
-        vespalib::string>(BasicType::STRING,
-                          CollectionType::ARRAY,
-                          "string_a");
+        vespalib::string>(BasicType::STRING, CollectionType::ARRAY, "string_a");
 }
 
 TEST_F("Test bitvectors with weighted set value string", BitVectorTest)
 {
     f.template test<StringAttribute,
-        StringAttribute::WeightedString>(BasicType::STRING,
-                                         CollectionType::WSET,
-                                         "string_ws");
+        StringAttribute::WeightedString>(BasicType::STRING, CollectionType::WSET, "string_ws");
 }
 
 
@@ -633,5 +569,4 @@ TEST("Test that bitvector iterators adheres to SearchIterator requirements") {
     }
 }
 
-
 TEST_MAIN() { TEST_RUN_ALL(); }
diff --git a/searchlib/src/tests/attribute/posting_store/posting_store_test.cpp b/searchlib/src/tests/attribute/posting_store/posting_store_test.cpp
index 57029f92111..227dbfadbc0 100644
--- a/searchlib/src/tests/attribute/posting_store/posting_store_test.cpp
+++ b/searchlib/src/tests/attribute/posting_store/posting_store_test.cpp
@@ -4,9 +4,7 @@
 #include <vespa/searchcommon/attribute/status.h>
 #include <vespa/searchlib/attribute/postingstore.h>
 #include <vespa/searchlib/attribute/enumstore.hpp>
-#include <vespa/vespalib/btree/btreenodeallocator.hpp>
 #include <vespa/vespalib/btree/btreerootbase.hpp>
-#include <vespa/vespalib/btree/btreeroot.hpp>
 #include <vespa/searchlib/attribute/postingstore.hpp>
 #include <vespa/vespalib/datastore/buffer_type.hpp>
 #include <vespa/vespalib/gtest/gtest.h>
@@ -42,7 +40,7 @@ std::ostream& operator<<(std::ostream& os, const PostingStoreSetup setup)
 
 Config make_config(PostingStoreSetup param) {
     Config cfg;
-    cfg.setEnableOnlyBitVector(param.enable_only_bitvector);
+    cfg.setIsFilter(param.enable_only_bitvector);
     return cfg;
 }
 
@@ -212,8 +210,7 @@ PostingStoreTest::test_compact_btree_nodes(uint32_t sequence_length)
     EXPECT_EQ(make_exp_sequence(4, 4 + sequence_length), get_sequence(ref1));
     EXPECT_EQ(make_exp_sequence(5, 5 + sequence_length), get_sequence(ref2));
     auto usage_after = store.getMemoryUsage();
-    if (sequence_length < huge_sequence_length ||
-        !_config.getEnableOnlyBitVector()) {
+    if ((sequence_length < huge_sequence_length) || !_config.getIsFilter()) {
         EXPECT_GT(usage_before.deadBytes(), usage_after.deadBytes());
     } else {
         EXPECT_EQ(usage_before.deadBytes(), usage_after.deadBytes());
diff --git a/searchlib/src/tests/attribute/postinglistattribute/postinglistattribute_test.cpp b/searchlib/src/tests/attribute/postinglistattribute/postinglistattribute_test.cpp
index 00e2a82d24e..25de1105973 100644
--- a/searchlib/src/tests/attribute/postinglistattribute/postinglistattribute_test.cpp
+++ b/searchlib/src/tests/attribute/postinglistattribute/postinglistattribute_test.cpp
@@ -471,7 +471,7 @@ PostingListAttributeTest::checkPostingList(const VectorType & vec, const std::ve
             }
             EXPECT_EQ(doc, docEnd);
         } else {
-            EXPECT_TRUE(has_bitvector && vec.getEnableOnlyBitVector());
+            EXPECT_TRUE(has_bitvector && vec.getIsFilter());
             numHits = postingList.getBitVectorEntry(find_result.second)->_bv->reader().countTrueBits();
         }
         if (has_bitvector) {
@@ -612,21 +612,21 @@ PostingListAttributeTest::testPostingList(bool enable_only_bitvector, uint32_t n
         {
             Config cfg(Config(BasicType::INT32, CollectionType::SINGLE));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("sint32", cfg);
             testPostingList<Int32PostingListAttribute>(ptr1, numDocs, values);
         }
         {
             Config cfg(Config(BasicType::INT32, CollectionType::ARRAY));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("aint32", cfg);
             testPostingList<Int32ArrayPostingListAttribute>(ptr1, numDocs, values);
         }
         {
             Config cfg(Config(BasicType::INT32, CollectionType::WSET));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("wsint32", cfg);
             testPostingList<Int32WsetPostingListAttribute>(ptr1, numDocs, values);
         }
@@ -640,21 +640,21 @@ PostingListAttributeTest::testPostingList(bool enable_only_bitvector, uint32_t n
         {
             Config cfg(Config(BasicType::FLOAT, CollectionType::SINGLE));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("sfloat", cfg);
             testPostingList<FloatPostingListAttribute>(ptr1, numDocs, values);
         }
         {
             Config cfg(Config(BasicType::FLOAT, CollectionType::ARRAY));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("afloat", cfg);
             testPostingList<FloatArrayPostingListAttribute>(ptr1, numDocs, values);
         }
         {
             Config cfg(Config(BasicType::FLOAT, CollectionType::WSET));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("wsfloat", cfg);
             testPostingList<FloatWsetPostingListAttribute>(ptr1, numDocs, values);
         }
@@ -674,21 +674,21 @@ PostingListAttributeTest::testPostingList(bool enable_only_bitvector, uint32_t n
         {
             Config cfg(Config(BasicType::STRING, CollectionType::SINGLE));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("sstr", cfg);
             testPostingList<StringPostingListAttribute>(ptr1, numDocs, charValues);
         }
         {
             Config cfg(Config(BasicType::STRING, CollectionType::ARRAY));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("astr", cfg);
             testPostingList<StringArrayPostingListAttribute>(ptr1, numDocs, charValues);
         }
         {
             Config cfg(Config(BasicType::STRING, CollectionType::WSET));
             cfg.setFastSearch(true);
-            cfg.setEnableOnlyBitVector(enable_only_bitvector);
+            cfg.setIsFilter(enable_only_bitvector);
             AttributePtr ptr1 = create_attribute("wsstr", cfg);
             testPostingList<StringWsetPostingListAttribute>(ptr1, numDocs, charValues);
         }
diff --git a/searchlib/src/tests/attribute/searchable/attribute_searchable_adapter_test.cpp b/searchlib/src/tests/attribute/searchable/attribute_searchable_adapter_test.cpp
index 2f3684874ee..9cfd5946dbb 100644
--- a/searchlib/src/tests/attribute/searchable/attribute_searchable_adapter_test.cpp
+++ b/searchlib/src/tests/attribute/searchable/attribute_searchable_adapter_test.cpp
@@ -510,8 +510,8 @@ TEST("require that single weighted set turns filter on filter fields") {
         SimpleStringTerm node("foo", "", 0, Weight(1));
         Result result = do_search(attribute_manager, node, strict);
         EXPECT_EQUAL(3u, result.est_hits);
-        EXPECT_TRUE(result.iterator_dump.find("DocumentWeightSearchIterator") == vespalib::string::npos);
-        EXPECT_TRUE(result.iterator_dump.find("FilterAttributePostingListIteratorT") != vespalib::string::npos);
+        EXPECT_TRUE(result.iterator_dump.find("DocumentWeightSearchIterator") != vespalib::string::npos);
+        EXPECT_TRUE(result.iterator_dump.find("FilterAttributePostingListIteratorT") == vespalib::string::npos);
         ASSERT_EQUAL(3u, result.hits.size());
         EXPECT_FALSE(result.est_empty);
         EXPECT_EQUAL(20u, result.hits[0].docid);