From f1626a0aa11dc5aff74707f44f0f9d460e0396ba Mon Sep 17 00:00:00 2001
From: yangyazhou <yangyazhou@stargraph.cn>
Date: Tue, 21 May 2024 16:29:43 +0800
Subject: [PATCH] add iterator refresh interface

---
 db/c.cc             | 4 ++++
 include/rocksdb/c.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/db/c.cc b/db/c.cc
index 72c94ff377a..59cdecc6646 100644
--- a/db/c.cc
+++ b/db/c.cc
@@ -2122,6 +2122,10 @@ unsigned char rocksdb_iter_valid(const rocksdb_iterator_t* iter) {
   return iter->rep->Valid();
 }
 
+void rocksdb_iter_refresh(rocksdb_iterator_t* iter) {
+  iter->rep->Refresh();
+}
+
 void rocksdb_iter_seek_to_first(rocksdb_iterator_t* iter) {
   iter->rep->SeekToFirst();
 }
diff --git a/include/rocksdb/c.h b/include/rocksdb/c.h
index 61b50eebb7a..076bd5414ec 100644
--- a/include/rocksdb/c.h
+++ b/include/rocksdb/c.h
@@ -738,6 +738,7 @@ extern ROCKSDB_LIBRARY_API void rocksdb_repair_db(
 extern ROCKSDB_LIBRARY_API void rocksdb_iter_destroy(rocksdb_iterator_t*);
 extern ROCKSDB_LIBRARY_API unsigned char rocksdb_iter_valid(
     const rocksdb_iterator_t*);
+extern ROCKSDB_LIBRARY_API void rocksdb_iter_refresh(rocksdb_iterator_t* iter);
 extern ROCKSDB_LIBRARY_API void rocksdb_iter_seek_to_first(rocksdb_iterator_t*);
 extern ROCKSDB_LIBRARY_API void rocksdb_iter_seek_to_last(rocksdb_iterator_t*);
 extern ROCKSDB_LIBRARY_API void rocksdb_iter_seek(rocksdb_iterator_t*,