1 files changed, 13 insertions, 0 deletions
diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_index.h b/src/mongo/db/storage/wiredtiger/wiredtiger_index.h
index 5a94980c22c..8fccc7d8c24 100644
--- a/src/mongo/db/storage/wiredtiger/wiredtiger_index.h
+++ b/src/mongo/db/storage/wiredtiger/wiredtiger_index.h
@@ -156,6 +156,9 @@ public:
 
     virtual Status initAsEmpty(OperationContext* opCtx);
 
+    virtual void printIndexEntryMetadata(OperationContext* opCtx,
+                                         const KeyString::Value& keyString) const;
+
     Status compact(OperationContext* opCtx) override;
 
     const std::string& uri() const {
@@ -295,6 +298,16 @@ protected:
                   const KeyString::Value& keyString,
                   bool dupsAllowed) override;
 
+    /**
+     * This function continues to exist in order to support v4.0 unique partial index format: the
+     * format changed in v4.2 and onward. _unindex will call this if an index entry in the new
+     * format cannot be found, and this function will check for the old format.
+     */
+    void _unindexTimestampUnsafe(OperationContext* opCtx,
+                                 WT_CURSOR* c,
+                                 const KeyString::Value& keyString,
+                                 bool dupsAllowed);
+
 private:
     bool _partial;
 };