Mryange opened a new pull request, #20144:
URL: https://github.com/apache/doris/pull/20144
## Proposed changes
before
```
mysql [(none)]>select cast("10:10:10" as time);
+-------------------------------+
| CAST('10:10:10' AS TIMEV2(0)) |
+-------------------------------+
| 00:00:00 |
+-------------------------------+
```
after
```
mysql [(none)]>select cast("10:10:10" as time);
+-------------------------------+
| CAST('10:10:10' AS TIMEV2(0)) |
+-------------------------------+
| 10:10:10 |
+-------------------------------+
```
In the past, we supported this syntax.
```
mysql [(none)]>select cast("2023:05:01 13:14:15" as time);
+------------------------------------------+
| CAST('2023:05:01 13:14:15' AS TIMEV2(0)) |
+------------------------------------------+
| 13:14:15 |
+------------------------------------------+
```
However, "10:10:10" is also a valid datetime.
```
mysql [(none)]>select cast("10:10:10" as datetime);
+-----------------------------------+
| CAST('10:10:10' AS DATETIMEV2(0)) |
+-----------------------------------+
| 2010-10-10 00:00:00 |
+-----------------------------------+
```
So here, the order of parsing has been adjusted.
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