Add operator overloads to avoid ambiguous reversed operators.

1 files changed, 6 insertions, 0 deletions

diff --git a/searchlib/src/vespa/searchlib/grouping/sketch.h b/searchlib/src/vespa/searchlib/grouping/sketch.h
index c105b480a3d..a872e82bedb 100644
--- a/searchlib/src/vespa/searchlib/grouping/sketch.h
+++ b/searchlib/src/vespa/searchlib/grouping/sketch.h
@@ -100,6 +100,9 @@ struct SparseSketch : Sketch<BucketBits, HashT> {
         }
         return true;
     }
+    bool operator==(const SparseSketch<BucketBits, HashT>& other) const {
+        return operator==(static_cast<const SketchType&>(other));
+    }
 
     void print(std::ostream &out) const override {
         out << " (" << hash_set.size() << " elements)";
@@ -161,6 +164,9 @@ struct NormalSketch : Sketch<BucketBits, HashT> {
         }
         return true;
     }
+    bool operator==(const NormalSketch<BucketBits, HashT>& other) const {
+        return operator==(static_cast<const SketchType&>(other));
+    }
 
     virtual void print(std::ostream &out) const override {
         for (size_t i = 0; i < BUCKET_COUNT; ++i) {