external ranking expressions

loaded from potentially compressed files

1 files changed, 4 insertions, 0 deletions

diff --git a/streamingvisitors/src/vespa/searchvisitor/indexenvironment.h b/streamingvisitors/src/vespa/searchvisitor/indexenvironment.h
index dc7be36c290..7bc706f21ce 100644
--- a/streamingvisitors/src/vespa/searchvisitor/indexenvironment.h
+++ b/streamingvisitors/src/vespa/searchvisitor/indexenvironment.h
@@ -73,6 +73,10 @@ public:
         return vespalib::eval::ConstantValue::UP();
     }
 
+    vespalib::string getRankingExpression(const vespalib::string &) const override {
+        return {};
+    }
+
     const search::fef::OnnxModel *getOnnxModel(const vespalib::string &) const override {
         return nullptr;
     }