diff --git a/include/common/tdatablock.h b/include/common/tdatablock.h
index 86ce591b3d73bd79dd7020d43aed8cafb5854806..75ee878ea2d47f90bc1848606a9eab3fef947f9d 100644
--- a/include/common/tdatablock.h
+++ b/include/common/tdatablock.h
@@ -177,6 +177,7 @@ static FORCE_INLINE void colDataSetDouble(SColumnInfoData* pColumnInfoData, uint
 int32_t getJsonValueLen(const char* data);
 
 int32_t colDataSetVal(SColumnInfoData* pColumnInfoData, uint32_t rowIndex, const char* pData, bool isNull);
+int32_t colDataAppend(SColumnInfoData* pColumnInfoData, uint32_t rowIndex, const char* pData, bool isNull);
 int32_t colDataSetNItems(SColumnInfoData* pColumnInfoData, uint32_t rowIndex, const char* pData, uint32_t numOfRows);
 int32_t colDataMergeCol(SColumnInfoData* pColumnInfoData, int32_t numOfRow1, int32_t* capacity,
                         const SColumnInfoData* pSource, int32_t numOfRow2);
diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index ebe634648d54aa4edd3626b06bb612924119b60f..85dccbca83ed896fc108e23623511e99e5146477 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -63,6 +63,10 @@ int32_t getJsonValueLen(const char* data) {
   return dataLen;
 }
 
+int32_t colDataAppend(SColumnInfoData* pColumnInfoData, uint32_t rowIndex, const char* pData, bool isNull) {
+  return colDataSetVal(pColumnInfoData, rowIndex, pData, isNull);
+}
+
 int32_t colDataSetVal(SColumnInfoData* pColumnInfoData, uint32_t rowIndex, const char* pData, bool isNull) {
   if (isNull) {
     // There is a placehold for each NULL value of binary or nchar type.