From ffdb9920118c354cbcdc8a318b4a721b01ac9073 Mon Sep 17 00:00:00 2001
From: hzcheng <hzcheng@taosdata.com>
Date: Mon, 27 Apr 2020 11:58:43 +0800
Subject: [PATCH] TD-166

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

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 13e1582526..b6fe38e5c2 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -655,7 +655,7 @@ static void trimDataBlock(void* pDataBlock, STableDataBlocks* pTableDataBlock) {
 
     int toffset = 0;
     for (int32_t j = 0; j < tinfo.numOfColumns; j++) {
-      tdAppendColVal(trow, p, pSchema[j].type, pSchema[j].bytes, toffset);
+      tdAppendColVal(trow, isNull(p, pSchema[j].type) ? NULL : p, pSchema[j].type, pSchema[j].bytes, toffset);
       toffset += TYPE_BYTES[pSchema[j].type];
       p += pSchema[j].bytes;
     }
-- 
GitLab