fix bug

source/libs/scalar/src/filter.c

@@ -3512,7 +3512,8 @@ void fltConvertToTsValueNode(SFltTreeStat *stat, SValueNode* valueNode) {
     valueNode->datum.i = 0;
   }
   taosMemoryFree(timeStr);
-  
+
+  valueNode->typeData = valueNode->datum.i;
   valueNode->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP;
   valueNode->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes;
 }

source/libs/scalar/src/sclvector.c

@@ -328,9 +328,10 @@ static FORCE_INLINE void varToBool(char *buf, SScalarParam* pOut, int32_t rowInd
 static FORCE_INLINE void varToNchar(char* buf, SScalarParam* pOut, int32_t rowIndex) {
   int32_t len = 0;
   int32_t inputLen = varDataLen(buf);
+  int32_t outputMaxLen = (inputLen + 1) * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE;
 
-  char* t = taosMemoryCalloc(1,(inputLen + 1) * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE);
-  /*int32_t resLen = */taosMbsToUcs4(varDataVal(buf), inputLen, (TdUcs4*) varDataVal(t), pOut->columnData->info.bytes, &len);
+  char* t = taosMemoryCalloc(1, outputMaxLen);
+  /*int32_t resLen = */taosMbsToUcs4(varDataVal(buf), inputLen, (TdUcs4*) varDataVal(t), outputMaxLen, &len);
   varDataSetLen(t, len);
 
   colDataAppend(pOut->columnData, rowIndex, t, false);