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morningman pushed a commit to branch branch-0.15
in repository https://gitbox.apache.org/repos/asf/incubator-doris.git
commit c9d30107a01aa60c019b9ed22a76675dafa967fb
Author: HappenLee <happen...@hotmail.com>
AuthorDate: Mon Nov 8 21:56:14 2021 +0800
[Bug] Change DateTimeValue Memmory Layout To Old (#7022)
Change DateTimeValue Memmory Layout To Old to fix compatibility problems
---
be/src/runtime/datetime_value.h | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/be/src/runtime/datetime_value.h b/be/src/runtime/datetime_value.h
index 12aa25e..9ddb1fa 100644
--- a/be/src/runtime/datetime_value.h
+++ b/be/src/runtime/datetime_value.h
@@ -167,12 +167,12 @@ public:
DateTimeValue()
: _neg(0),
_type(TIME_DATETIME),
- _second(0),
- _minute(0),
_hour(0),
- _day(0),
- _month(0),
+ _minute(0),
+ _second(0),
_year(0),
+ _month(0),
+ _day(0),
_microsecond(0) {}
explicit DateTimeValue(int64_t t) { from_date_int64(t); }
@@ -625,15 +625,17 @@ private:
bool from_date_format_str(const char* format, int format_len, const char*
value, int value_len,
const char** sub_val_end);
- // 1 bits for neg. 3 bits for type. 12bit for second
+ // NOTICE: it's dangerous if you want to modify the memory structure of
datetime
+ // which will cause problem in serialization/deserialization of RowBatch.
+ // 1 bits for neg. 3 bits for type. 12bit for hour
uint16_t _neg : 1; // Used for time value.
uint16_t _type : 3; // Which type of this value.
- uint16_t _second : 12;
+ uint16_t _hour : 12;
uint8_t _minute;
- uint8_t _hour;
- uint8_t _day;
- uint8_t _month;
+ uint8_t _second;
uint16_t _year;
+ uint8_t _month;
+ uint8_t _day;
// TODO(zc): used for nothing
uint64_t _microsecond;
@@ -641,12 +643,12 @@ private:
uint32_t microsecond, uint16_t year, uint8_t month, uint8_t
day)
: _neg(neg),
_type(type),
- _second(second),
- _minute(minute),
_hour(hour),
- _day(day),
- _month(month),
+ _minute(minute),
+ _second(second),
_year(year),
+ _month(month),
+ _day(day),
_microsecond(microsecond) {}
// RE2 obj is thread safe
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