From 7a740912ef64f84ef02a008b31d9bf35985e609c Mon Sep 17 00:00:00 2001
From: Cary Xu <klxu@taosdata.com>
Date: Wed, 20 Apr 2022 09:36:47 +0800
Subject: [PATCH] bug fix

---
 source/common/src/trow.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/common/src/trow.c b/source/common/src/trow.c
index a1a2d236f9..6685fdf2a7 100644
--- a/source/common/src/trow.c
+++ b/source/common/src/trow.c
@@ -496,8 +496,9 @@ static int32_t tdAppendKvRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols
     SKvRowIdx *pIdx = tdKvRowColIdxAt(pRow, rcol);
     int16_t    colIdx = -1;
     if (pIdx) {
-      colIdx = POINTER_DISTANCE(pRow->data, pIdx) / sizeof(SKvRowIdx);
+      colIdx = POINTER_DISTANCE(pIdx, TD_ROW_COL_IDX(pRow)) / sizeof(SKvRowIdx);
     }
+    TASSERT(colIdx >= 0);
     SCellVal sVal = {0};
     if (pIdx->colId == pDataCol->colId) {
       if (tdGetKvRowValOfCol(&sVal, pRow, pBitmap, pIdx->offset, colIdx) < 0) {