lide-reed commented on code in PR #26154:
URL: https://github.com/apache/doris/pull/26154#discussion_r1380005147
##########
be/src/vec/runtime/vdatetime_value.h:
##########
@@ -1316,8 +1316,8 @@ int64_t datetime_diff(const DateV2Value<T0>& ts_value1,
const DateV2Value<T1>& t
int month = (ts_value2.year() - ts_value1.year()) * 12 +
(ts_value2.month() - ts_value1.month());
if constexpr (std::is_same_v<T0, T1>) {
- int shift_bits = DateV2Value<T0>::is_datetime ?
DATETIMEV2_YEAR_WIDTH + 5
- : DATEV2_YEAR_WIDTH
+ 5;
+ int shift_bits = DateV2Value<T0>::is_datetime ?
DATETIMEV2_YEAR_WIDTH + 4
+ : DATEV2_YEAR_WIDTH
+ 4;
Review Comment:
Can you define a const variable to show its real meaning for the magic 4?
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