Add APIs that provide read access to raw data stored in multi-value attributes.

4 files changed, 7 insertions, 0 deletions

diff --git a/searchlib/src/vespa/searchlib/attribute/attributevector.cpp b/searchlib/src/vespa/searchlib/attribute/attributevector.cpp
index ea2379eef58..76494356829 100644
--- a/searchlib/src/vespa/searchlib/attribute/attributevector.cpp
+++ b/searchlib/src/vespa/searchlib/attribute/attributevector.cpp
@@ -567,6 +567,7 @@ attribute::IPostingListAttributeBase *AttributeVector::getIPostingListAttributeB
 const attribute::IPostingListAttributeBase *AttributeVector::getIPostingListAttributeBase() const { return nullptr; }
 const IDocumentWeightAttribute * AttributeVector::asDocumentWeightAttribute() const { return nullptr; }
 const tensor::ITensorAttribute *AttributeVector::asTensorAttribute() const { return nullptr; }
+const attribute::IMultiValueAttribute* AttributeVector::as_multi_value_attribute() const { return nullptr; }
 bool AttributeVector::hasPostings() { return getIPostingListAttributeBase() != nullptr; }
 uint64_t AttributeVector::getUniqueValueCount() const { return getTotalValueCount(); }
 uint64_t AttributeVector::getTotalValueCount() const { return getNumDocs(); }
diff --git a/searchlib/src/vespa/searchlib/attribute/attributevector.h b/searchlib/src/vespa/searchlib/attribute/attributevector.h
index 8f0ce6327a8..ce65664d7d7 100644
--- a/searchlib/src/vespa/searchlib/attribute/attributevector.h
+++ b/searchlib/src/vespa/searchlib/attribute/attributevector.h
@@ -497,6 +497,7 @@ public:
     const IDocumentWeightAttribute *asDocumentWeightAttribute() const override;
 
     const tensor::ITensorAttribute *asTensorAttribute() const override;
+    const attribute::IMultiValueAttribute* as_multi_value_attribute() const override;
 
     /**
        - Search for equality
diff --git a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.cpp b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.cpp
index 2a5d57475ca..f1ae5252031 100644
--- a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.cpp
+++ b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.cpp
@@ -119,6 +119,10 @@ const tensor::ITensorAttribute *ImportedAttributeVectorReadGuard::asTensorAttrib
     return nullptr;
 }
 
+const attribute::IMultiValueAttribute* ImportedAttributeVectorReadGuard::as_multi_value_attribute() const {
+    return nullptr;
+}
+
 BasicType::Type ImportedAttributeVectorReadGuard::getBasicType() const {
     return _target_attribute.getBasicType();
 }
diff --git a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.h b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.h
index 502215f58cd..f5b896e2da5 100644
--- a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.h
+++ b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector_read_guard.h
@@ -76,6 +76,7 @@ public:
                                                         const SearchContextParams &params) const override;
     const IDocumentWeightAttribute *asDocumentWeightAttribute() const override;
     const tensor::ITensorAttribute *asTensorAttribute() const override;
+    const attribute::IMultiValueAttribute* as_multi_value_attribute() const override;
     BasicType::Type getBasicType() const override;
     size_t getFixedWidth() const override;
     CollectionType::Type getCollectionType() const override;