From 95f8e96eb50ec251f838070e83050de6747cf259 Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Tue, 22 Nov 2022 23:41:58 +0800
Subject: [PATCH] fix: align firstVer with lastVer too if no WAL logs exist

---
 source/libs/wal/src/walMeta.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/libs/wal/src/walMeta.c b/source/libs/wal/src/walMeta.c
index 6cac4b6093..d77acbbb6f 100644
--- a/source/libs/wal/src/walMeta.c
+++ b/source/libs/wal/src/walMeta.c
@@ -285,6 +285,9 @@ void walAlignVersions(SWal* pWal) {
   if (pWal->vers.lastVer < pWal->vers.snapshotVer) {
     wWarn("vgId:%d, lastVer:%" PRId64 " is less than snapshotVer:%" PRId64 ". align with it.", pWal->cfg.vgId,
           pWal->vers.lastVer, pWal->vers.snapshotVer);
+    if (pWal->vers.lastVer < pWal->vers.firstVer) {
+      pWal->vers.firstVer = pWal->vers.snapshotVer + 1;
+    }
     pWal->vers.lastVer = pWal->vers.snapshotVer;
   }
   if (pWal->vers.commitVer < pWal->vers.snapshotVer) {