HappenLee opened a new pull request, #25026:
URL: https://github.com/apache/doris/pull/25026
## Proposed changes
Beforeļ¼
```
[testdb]>select hour_floor(`@timestamp`, 4) as t, count() as cnt from
httplogs_date group by t order by t limit 10;
+---------------------+--------+
| t | cnt |
+---------------------+--------+
| 1998-05-01 00:00:00 | 324 |
| 1998-05-01 04:00:00 | 174137 |
| 1998-05-01 08:00:00 | 140461 |
| 1998-05-01 12:00:00 | 145945 |
| 1998-05-01 16:00:00 | 213248 |
| 1998-05-01 20:00:00 | 293426 |
| 1998-05-02 00:00:00 | 226038 |
| 1998-05-02 04:00:00 | 119502 |
| 1998-05-02 08:00:00 | 101933 |
| 1998-05-02 12:00:00 | 95275 |
+---------------------+--------+
10 rows in set (2.97 sec)
```
after:
```
[testdb]>select hour_floor(`@timestamp`, 4) as t, count() as cnt from
httplogs_date group by t order by t limit 10;
+---------------------+--------+
| t | cnt |
+---------------------+--------+
| 1998-05-01 00:00:00 | 324 |
| 1998-05-01 04:00:00 | 174137 |
| 1998-05-01 08:00:00 | 140461 |
| 1998-05-01 12:00:00 | 145945 |
| 1998-05-01 16:00:00 | 213248 |
| 1998-05-01 20:00:00 | 293426 |
| 1998-05-02 00:00:00 | 226038 |
| 1998-05-02 04:00:00 | 119502 |
| 1998-05-02 08:00:00 | 101933 |
| 1998-05-02 12:00:00 | 95275 |
+---------------------+--------+
10 rows in set (0.67 sec)
```
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