From 629c87685f535d6da44230c787fad67a70c48655 Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Tue, 29 Nov 2022 11:04:47 +0800
Subject: [PATCH] fix/txnId: wrap around INT64_MAX

---
 source/libs/tdb/src/db/tdbDb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/libs/tdb/src/db/tdbDb.c b/source/libs/tdb/src/db/tdbDb.c
index bccea07269..c79279c658 100644
--- a/source/libs/tdb/src/db/tdbDb.c
+++ b/source/libs/tdb/src/db/tdbDb.c
@@ -104,6 +104,9 @@ int32_t tdbBegin(TDB *pDb, TXN **ppTxn, void *(*xMalloc)(void *, size_t), void (
   SPager *pPager;
   int     ret;
   int64_t txnId = ++pDb->txnId;
+  if (txnId == INT64_MAX) {
+    pDb->txnId = 0;
+  }
 
   TXN *pTxn = tdbOsCalloc(1, sizeof(*pTxn));
   if (!pTxn) {