From c0bd8a2f831cb2fbd68c97f8bf8877a77ae50aa3 Mon Sep 17 00:00:00 2001
From: Cary Xu <klxu@taosdata.com>
Date: Wed, 11 May 2022 16:41:49 +0800
Subject: [PATCH] fix: calculate col distance

---
 source/common/src/trow.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/common/src/trow.c b/source/common/src/trow.c
index 44bcd72a33..d1516403c1 100644
--- a/source/common/src/trow.c
+++ b/source/common/src/trow.c
@@ -1159,7 +1159,7 @@ bool tdGetKvRowValOfColEx(STSRowIter *pIter, col_id_t colId, col_type_t colType,
 
 #ifdef TD_SUPPORT_BITMAP
   int16_t colIdx = -1;
-  if (pKvIdx) colIdx = POINTER_DISTANCE(TD_ROW_COL_IDX(pRow), pKvIdx) / sizeof(SKvRowIdx);
+  if (pKvIdx) colIdx = POINTER_DISTANCE(pKvIdx, TD_ROW_COL_IDX(pRow)) / sizeof(SKvRowIdx);
   if (tdGetBitmapValType(pIter->pBitmap, colIdx, &pVal->valType, 0) != TSDB_CODE_SUCCESS) {
     pVal->valType = TD_VTYPE_NONE;
   }
@@ -1226,7 +1226,7 @@ bool tdSTSRowGetVal(STSRowIter *pIter, col_id_t colId, col_type_t colType, SCell
                                                compareKvRowColId, TD_EQ);
 #ifdef TD_SUPPORT_BITMAP
     if (pIdx) {
-      colIdx = POINTER_DISTANCE(TD_ROW_COL_IDX(pRow), pIdx) / sizeof(SKvRowIdx);
+      colIdx = POINTER_DISTANCE(pIdx, TD_ROW_COL_IDX(pRow)) / sizeof(SKvRowIdx);
     }
 #endif
     tdGetKvRowValOfCol(pVal, pRow, pIter->pBitmap, pIdx ? pIdx->offset : -1, colIdx);
-- 
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