HappenLee commented on code in PR #42888:
URL: https://github.com/apache/doris/pull/42888#discussion_r1830692006


##########
be/src/vec/data_types/serde/data_type_datev2_serde.cpp:
##########
@@ -81,18 +82,18 @@ Status 
DataTypeDateV2SerDe::deserialize_one_cell_from_json(IColumn& column, Slic
 }
 
 void DataTypeDateV2SerDe::write_column_to_arrow(const IColumn& column, const 
NullMap* null_map,
-                                                arrow::ArrayBuilder* 
array_builder, int start,
-                                                int end, const 
cctz::time_zone& ctz) const {
+                                                arrow::ArrayBuilder* 
array_builder, int64_t start,
+                                                int64_t end, const 
cctz::time_zone& ctz) const {
     const auto& col_data = static_cast<const 
ColumnVector<UInt32>&>(column).get_data();
     auto& date32_builder = assert_cast<arrow::Date32Builder&>(*array_builder);
     for (size_t i = start; i < end; ++i) {
-        int32_t daynr = binary_cast<UInt32, 
DateV2Value<DateV2ValueType>>(col_data[i]).daynr() -
-                        date_threshold;
+        auto daynr = binary_cast<UInt32, 
DateV2Value<DateV2ValueType>>(col_data[i]).daynr() -
+                     date_threshold;
         if (null_map && (*null_map)[i]) {
             checkArrowStatus(date32_builder.AppendNull(), column.get_name(),
                              array_builder->type()->name());
         } else {
-            checkArrowStatus(date32_builder.Append(daynr), column.get_name(),
+            checkArrowStatus(date32_builder.Append(cast_set<int>(daynr)), 
column.get_name(),

Review Comment:
   here is a for loop need check every value ?
   
   - [ ] 



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