diff --git a/source/libs/scalar/src/filter.c b/source/libs/scalar/src/filter.c
index d4444ead0f5e1255932441b242db213ec33f36d5..bb71fd76523541754ba9f32a93908f2e3853db8c 100644
--- a/source/libs/scalar/src/filter.c
+++ b/source/libs/scalar/src/filter.c
@@ -3120,9 +3120,8 @@ static FORCE_INLINE bool filterExecuteImplIsNull(void *pinfo, int32_t numOfRows,
 
   for (int32_t i = 0; i < numOfRows; ++i) {
     uint32_t uidx = info->groups[0].unitIdxs[0];
-    void    *colData = colDataGetData((SColumnInfoData *)info->cunits[uidx].colData, i);
-    p[i] = ((colData == NULL) || colDataIsNull((SColumnInfoData *)info->cunits[uidx].colData, 0, i, NULL));
 
+    p[i] = colDataIsNull((SColumnInfoData *)info->cunits[uidx].colData, 0, i, NULL);
     if (p[i] == 0) {
       all = false;
     } else {
@@ -3146,13 +3145,8 @@ static FORCE_INLINE bool filterExecuteImplNotNull(void *pinfo, int32_t numOfRows
 
   for (int32_t i = 0; i < numOfRows; ++i) {
     uint32_t uidx = info->groups[0].unitIdxs[0];
-    if (((SColumnInfoData *)info->cunits[uidx].colData)->pData == NULL) {
-      continue;
-    }
-
-    void    *colData = colDataGetData((SColumnInfoData *)info->cunits[uidx].colData, i);
 
-    p[i] = ((colData != NULL) && !colDataIsNull((SColumnInfoData *)info->cunits[uidx].colData, 0, i, NULL));
+    p[i] = !colDataIsNull((SColumnInfoData *)info->cunits[uidx].colData, 0, i, NULL);
     if (p[i] == 0) {
       all = false;
     } else {
@@ -3182,13 +3176,13 @@ bool filterExecuteImplRange(void *pinfo, int32_t numOfRows, SColumnInfoData *pRe
   for (int32_t i = 0; i < numOfRows; ++i) {
     SColumnInfoData *pData = info->cunits[0].colData;
 
-    void *colData = colDataGetData(pData, i);
-    if (colData == NULL || colDataIsNull_s(pData, i)) {
+    if (colDataIsNull_s(pData, i)) {
       all = false;
       p[i] = 0;
       continue;
     }
 
+    void *colData = colDataGetData(pData, i);
     p[i] = (*rfunc)(colData, colData, valData, valData2, func);
 
     if (p[i] == 0) {
@@ -3214,13 +3208,13 @@ bool filterExecuteImplMisc(void *pinfo, int32_t numOfRows, SColumnInfoData *pRes
 
   for (int32_t i = 0; i < numOfRows; ++i) {
     uint32_t uidx = info->groups[0].unitIdxs[0];
-    void    *colData = colDataGetData((SColumnInfoData *)info->cunits[uidx].colData, i);
-    if (colData == NULL || colDataIsNull_s((SColumnInfoData *)info->cunits[uidx].colData, i)) {
+    if (colDataIsNull_s((SColumnInfoData *)info->cunits[uidx].colData, i)) {
       p[i] = 0;
       all = false;
       continue;
     }
 
+    void *colData = colDataGetData((SColumnInfoData *)info->cunits[uidx].colData, i);
     // match/nmatch for nchar type need convert from ucs4 to mbs
     if (info->cunits[uidx].dataType == TSDB_DATA_TYPE_NCHAR &&
         (info->cunits[uidx].optr == OP_TYPE_MATCH || info->cunits[uidx].optr == OP_TYPE_NMATCH)) {
@@ -3278,7 +3272,7 @@ bool filterExecuteImpl(void *pinfo, int32_t numOfRows, SColumnInfoData *pRes, SC
         if (!isNull) {
           colData = colDataGetData((SColumnInfoData *)(cunit->colData), i);
         }
-        
+
         if (colData == NULL || isNull) {
           p[i] = optr == OP_TYPE_IS_NULL ? true : false;
         } else {