SERVER-39567 Change find min/max options to require hint

1 files changed, 2 insertions, 3 deletions

diff --git a/src/mongo/db/query/planner_ixselect.cpp b/src/mongo/db/query/planner_ixselect.cpp
index 1f314787fdb..77f662a4701 100644
--- a/src/mongo/db/query/planner_ixselect.cpp
+++ b/src/mongo/db/query/planner_ixselect.cpp
@@ -321,14 +321,13 @@ std::vector<IndexEntry> QueryPlannerIXSelect::findRelevantIndices(
 }
 
 std::vector<IndexEntry> QueryPlannerIXSelect::expandIndexes(
-    const stdx::unordered_set<std::string>& fields,
-    const std::vector<IndexEntry>& relevantIndices) {
+    const stdx::unordered_set<std::string>& fields, std::vector<IndexEntry> relevantIndices) {
     std::vector<IndexEntry> out;
     for (auto&& entry : relevantIndices) {
         if (entry.type == IndexType::INDEX_WILDCARD) {
             wcp::expandWildcardIndexEntry(entry, fields, &out);
         } else {
-            out.push_back(entry);
+            out.push_back(std::move(entry));
         }
     }