From e2e88b2e950b940b033f1ef2156e6e833be23f7f Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Tue, 30 Mar 2021 18:05:29 +0800
Subject: [PATCH] [TD-3601]<hotfix>: fix early 1970 time problem

---
 src/tsdb/src/tsdbCommit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tsdb/src/tsdbCommit.c b/src/tsdb/src/tsdbCommit.c
index dd0fd18019..4351cce51c 100644
--- a/src/tsdb/src/tsdbCommit.c
+++ b/src/tsdb/src/tsdbCommit.c
@@ -17,7 +17,7 @@
 #define TSDB_MAX_SUBBLOCKS 8
 static FORCE_INLINE int TSDB_KEY_FID(TSKEY key, int32_t days, int8_t precision) {
   if (key < 0) {
-    return (int)((key + 1) / tsMsPerDay[precision] / days + 1);
+    return (int)((key + 1) / tsMsPerDay[precision] / days - 1);
   } else {
     return (int)((key / tsMsPerDay[precision] / days));
   }
-- 
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