more work

source/dnode/vnode/src/tsdb/tsdbUtil.c

@@ -647,15 +647,11 @@ void tsdbRowGetColVal(TSDBROW *pRow, STSchema *pTSchema, int32_t iCol, SColVal *
   if (pRow->type == 0) {
     tTSRowGetVal(pRow->pTSRow, pTSchema, iCol, pColVal);
   } else if (pRow->type == 1) {
-    SColData *pColData = &(SColData){.cid = pTColumn->colId};
-    void     *p = NULL;
+    SColData *pColData;
 
-    p = taosArraySearch(pRow->pBlockData->aColDataP, &pColData, tColDataPCmprFn, TD_EQ);
-    if (p) {
-      pColData = *(SColData **)p;
-
-      ASSERT(pColData->type == pTColumn->type);
+    tBlockDataGetColData(pRow->pBlockData, pTColumn->colId, &pColData);
 
+    if (pColData) {
       tColDataGetValue(pColData, pRow->iRow, pColVal);
     } else {
       *pColVal = COL_VAL_NONE(pTColumn->colId, pTColumn->type);