Add type-safe down-cast to ITensorAttribute in IAttributeVector and use this instead of dynamic_cast.

1 files changed, 2 insertions, 3 deletions

diff --git a/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp b/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
index a15e0e0e0c0..5e8e4ee0584 100644
--- a/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
+++ b/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
@@ -136,9 +136,8 @@ SingleAttrDFW::insertField(uint32_t docid,
         BasicType::Type t = v.getBasicType();
         switch (t) {
         case BasicType::TENSOR: {
-            const tensor::ITensorAttribute &tv =
-                dynamic_cast<const tensor::ITensorAttribute &>(v);
-            const auto tensor = tv.getTensor(docid);
+            const tensor::ITensorAttribute *tv = v.asTensorAttribute();
+            const auto tensor = tv->getTensor(docid);
             if (tensor) {
                 vespalib::nbostream str;
                 vespalib::tensor::TypedBinaryFormat::serialize(str, *tensor);