From 8f28a9c9d2cc495d111ba7d36cc285c884a1ac5c Mon Sep 17 00:00:00 2001
From: Xiaoyu Wang <xiaoyuwang@taosdata.com>
Date: Thu, 20 Oct 2022 18:18:07 +0800
Subject: [PATCH] import format error

---
 tools/shell/src/shellEngine.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/shell/src/shellEngine.c b/tools/shell/src/shellEngine.c
index e216d597a3..d5c765e8c5 100644
--- a/tools/shell/src/shellEngine.c
+++ b/tools/shell/src/shellEngine.c
@@ -282,6 +282,7 @@ char *shellFormatTimestamp(char *buf, int64_t val, int32_t precision) {
 
 void shellDumpFieldToFile(TdFilePtr pFile, const char *val, TAOS_FIELD *field, int32_t length, int32_t precision) {
   if (val == NULL) {
+    taosFprintfFile(pFile, "NULL");
     return;
   }