jacktengg commented on code in PR #34689:
URL: https://github.com/apache/doris/pull/34689#discussion_r1602532377


##########
be/src/vec/data_types/data_type_date.h:
##########
@@ -60,6 +60,12 @@ class DataTypeDate final : public DataTypeNumberBase<Int64> {
     bool equals(const IDataType& rhs) const override;
     std::string to_string(const IColumn& column, size_t row_num) const 
override;
     void to_string(const IColumn& column, size_t row_num, BufferWritable& 
ostr) const override;
+    std::string to_string(Int64 int_val) const {
+        doris::VecDateTimeValue value = binary_cast<Int64, 
doris::VecDateTimeValue>(int_val);
+        char buf[64];

Review Comment:
   it's formated to datetime format, e.g. 2024-05-16 00:00:00.999999,use 64 to 
be large enough to contain the result string.



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