From a001e3c424ea2867c30bce074e88c3c5dd08f909 Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Mon, 15 May 2023 07:22:29 +0000
Subject: [PATCH] refactor code

---
 source/libs/stream/src/tstreamFileState.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/libs/stream/src/tstreamFileState.c b/source/libs/stream/src/tstreamFileState.c
index ac1cce5ba3..67835e77b8 100644
--- a/source/libs/stream/src/tstreamFileState.c
+++ b/source/libs/stream/src/tstreamFileState.c
@@ -324,7 +324,9 @@ bool hasRowBuff(SStreamFileState* pFileState, void* pKey, int32_t keyLen) {
 void releaseRowBuffPos(SRowBuffPos* pBuff) { pBuff->beUsed = false; }
 
 SStreamSnapshot* getSnapshot(SStreamFileState* pFileState) {
-  clearExpiredRowBuff(pFileState, pFileState->maxTs - pFileState->deleteMark, false);
+  int64_t mark = (INT64_MIN + pFileState->deleteMark >= pFileState->maxTs) ? INT64_MIN
+                                                                           : pFileState->maxTs - pFileState->deleteMark;
+  clearExpiredRowBuff(pFileState, mark, false);
   return pFileState->usedBuffs;
 }