1 files changed, 4 insertions, 10 deletions
diff --git a/sql/filesort_utils.h b/sql/filesort_utils.h
index 1ab1ba2daa8..1f80c145c70 100644
--- a/sql/filesort_utils.h
+++ b/sql/filesort_utils.h
@@ -112,17 +112,11 @@ public:
   /**
     We need an assignment operator, see filesort().
     This happens to have the same semantics as the one that would be
-    generated by the compiler. We still implement it here, to show shallow
-    assignment explicitly: we have two objects sharing the same array.
+    generated by the compiler.
+    Note that this is a shallow copy. We have two objects sharing the same
+    array.
   */
-  Filesort_buffer &operator=(const Filesort_buffer &rhs)
-  {
-    m_idx_array= rhs.m_idx_array;
-    m_record_length= rhs.m_record_length;
-    m_start_of_data= rhs.m_start_of_data;
-    allocated_size=  rhs.allocated_size;
-    return *this;
-  }
+  Filesort_buffer &operator=(const Filesort_buffer &rhs) = default;
 
 private:
   typedef Bounds_checked_array<uchar*> Idx_array;