address review comments

Author: zhangchiqing

storage/operation/badgerimpl/iterator.go

@@ -19,7 +19,7 @@ var _ storage.Iterator = (*badgerIterator)(nil)
 
 func newBadgerIterator(db *badger.DB, startPrefix, endPrefix []byte, ops storage.IteratorOption) *badgerIterator {
 	options := badger.DefaultIteratorOptions
-	if ops.IterateKeyOnly {
+	if ops.BadgerIterateKeyOnly {
 		options.PrefetchValues = false
 	}
 

storage/operations.go

@@ -56,12 +56,13 @@ type IterItem interface {
 }
 
 type IteratorOption struct {
-	IterateKeyOnly bool // default false
+	BadgerIterateKeyOnly bool // default false
 }
 
 func DefaultIteratorOptions() IteratorOption {
 	return IteratorOption{
-		IterateKeyOnly: false, // only needed for badger. ignored by pebble
+		// only needed for badger. ignored by pebble
+		BadgerIterateKeyOnly: false,
 	}
 }