From 2aaf3a37d43ce699161adb322150aea7a6f70ddf Mon Sep 17 00:00:00 2001
From: jonyguo <guozhijian@huawei.com>
Date: Wed, 3 Jun 2020 11:45:10 +0800
Subject: [PATCH] fix: mindrecord seekg failed when shift raw page

---
 mindspore/ccsrc/mindrecord/io/shard_writer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mindspore/ccsrc/mindrecord/io/shard_writer.cc b/mindspore/ccsrc/mindrecord/io/shard_writer.cc
index 9756b475e5..913caab550 100644
--- a/mindspore/ccsrc/mindrecord/io/shard_writer.cc
+++ b/mindspore/ccsrc/mindrecord/io/shard_writer.cc
@@ -90,7 +90,7 @@ MSRStatus ShardWriter::OpenDataFiles(bool append) {
       fs->close();
 
       // open the mindrecord file to write
-      fs->open(common::SafeCStr(file), std::ios::out | std::ios::binary);
+      fs->open(common::SafeCStr(file), std::ios::out | std::ios::in | std::ios::binary | std::ios::trunc);
       if (!fs->good()) {
         MS_LOG(ERROR) << "MindRecord file could not opened.";
         return FAILED;