From 743649e1b7b19295fb8e99e7091ad8d8c13f3599 Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <ganlinzhao@hotmail.com>
Date: Fri, 8 Apr 2022 20:37:57 +0800
Subject: [PATCH] <fix>[query]: fix length/char_length data block pointer with
 proper offset

TD-14572
---
 source/libs/scalar/src/sclfunc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/libs/scalar/src/sclfunc.c b/source/libs/scalar/src/sclfunc.c
index df9e1bf36d..8fa417306b 100644
--- a/source/libs/scalar/src/sclfunc.c
+++ b/source/libs/scalar/src/sclfunc.c
@@ -295,11 +295,11 @@ static int32_t doLengthFunction(SScalarParam *pInput, int32_t inputNum, SScalarP
   SColumnInfoData *pInputData  = pInput->columnData;
   SColumnInfoData *pOutputData = pOutput->columnData;
 
-  char *in = pInputData->pData;
+  char *in = pInputData->pData + pInputData->varmeta.offset[0];
   int16_t *out = (int16_t *)pOutputData->pData;
 
   for (int32_t i = 0; i < pInput->numOfRows; ++i) {
-    if (colDataIsNull_f(pInputData->nullbitmap, i)) {
+    if (colDataIsNull_s(pInputData, i)) {
       colDataSetNull_f(pOutputData->nullbitmap, i);
       continue;
     }
-- 
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