db_test.cc: pass parameter by reference

Fix for: [db/db_test.cc:6141]: (performance) Function parameter 'key' should be passed by reference. Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
MarkusTeufelberger · Sep 30, 2014 · 53910dd · 53910dd
1 parent 68ca534
commit 53910dd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/db/db_test.cc b/db/db_test.cc
@@ -6138,7 +6138,7 @@ class WrappedBloom : public FilterPolicy {
   const FilterPolicy* filter_;
   mutable uint32_t counter_;
 
-  rocksdb::Slice convertKey(const rocksdb::Slice key) const {
+  rocksdb::Slice convertKey(const rocksdb::Slice& key) const {
     return key;
   }
 };