brancz opened a new pull request, #7989:
URL: https://github.com/apache/arrow-rs/pull/7989
# Which issue does this PR close?
Closes #7988
# What changes are included in this PR?
Support casting int64 to interval types.
# Are these changes tested?
Tested in unit tests, and ultimately for the use case that I actually want
it I also tested it in datafusion-cli:
```
> select arrow_cast(arrow_cast(100000000, 'Int64'),
'Interval(MonthDayNano)');
+---------------------------------------------------------------------------------------+
|
arrow_cast(arrow_cast(Int64(100000000),Utf8("Int64")),Utf8("Interval(MonthDayNano)"))
|
+---------------------------------------------------------------------------------------+
| 0.100000000 secs
|
+---------------------------------------------------------------------------------------+
1 row(s) fetched.
Elapsed 0.002 seconds.
```
Which previously failed:
```
> select arrow_cast(arrow_cast(100000000, 'Int64'),
'Interval(MonthDayNano)');
This feature is not implemented: Unsupported CAST from Int64 to
Interval(MonthDayNano)
```
# Are there any user-facing changes?
No API changes, purely added support that failed/didn't exist before.
@alamb @tustvold
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