Do not return ErrRetry if even the move key points to a deleted value…

… log. Instead, assume that the value is not present and return nil.

iterator.go

@@ -160,10 +160,15 @@ func (item *Item) yieldItemValue() ([]byte, func(), error) {
 		var vp valuePointer
 		vp.Decode(item.vptr)
 		result, cb, err := item.db.vlog.Read(vp, item.slice)
-		if err != ErrRetry || bytes.HasPrefix(key, badgerMove) {
-			// The error is not retry, or we have already searched the move keyspace.
+		if err != ErrRetry {
 			return result, cb, err
 		}
+		if bytes.HasPrefix(key, badgerMove) {
+			// err == ErrRetry
+			// Error is retry even after checking the move keyspace. So, let's
+			// just assume that value is not present.
+			return nil, cb, nil
+		}
 
 		// The value pointer is pointing to a deleted value log. Look for the
 		// move key and read that instead.