minimize the code changes

src/client/inc/tsclient.h

@@ -205,6 +205,9 @@ static FORCE_INLINE void tscAppendMemRowColValEx(SMemRow row, const void *value,
                                                  int8_t colType, int32_t toffset, int32_t *dataLen, int32_t *kvLen,
                                                  uint8_t compareStat) {
   tdAppendMemRowColVal(row, value, isCopyVarData, colId, colType, toffset);
+  if (compareStat == ROW_COMPARE_NEED) {
+    tdGetColAppendDeltaLen(value, colType, dataLen, kvLen);
+  }
 }
 typedef struct STableDataBlocks {
   SName       tableName;