Performance: Iterate vector by reference

Summary: Closes https://github.com/facebook/rocksdb/pull/1763 Differential Revision: D4398796 Pulled By: yiwu-arbug fbshipit-source-id: b82636d
8 years ago · 9f246298e2
parent fe395fb63d
commit 9f246298e2
1 changed files with 1 additions and 1 deletions
--- a/db/event_helpers.cc
+++ b/db/event_helpers.cc
@ -128,7 +128,7 @@ void EventHelpers::LogAndNotifyTableFileDeletion(
  info.job_id = job_id;
  info.file_path = file_path;
  info.status = status;
-  for (auto listener : listeners) {
+  for (auto& listener : listeners) {
    listener->OnTableFileDeleted(info);
  }
 #endif  // !ROCKSDB_LITE