From 20a7ae54693925643ac26b50fc69d54987e850c3 Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Fri, 22 Jan 2021 16:26:05 +0800
Subject: [PATCH] TD-2820

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

diff --git a/src/util/src/tref.c b/src/util/src/tref.c
index 3ef45e9b19..ebae8ece14 100644
--- a/src/util/src/tref.c
+++ b/src/util/src/tref.c
@@ -274,7 +274,7 @@ void *taosIterateRef(int rsetId, int64_t rid) {
     return NULL;
   }
 
-  if (rid <= 0) {
+  if (rid < 0) {
     uTrace("rsetId:%d rid:%" PRId64 " failed to iterate, rid not valid", rsetId, rid);
     terrno = TSDB_CODE_REF_NOT_EXIST;
     return NULL;
-- 
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