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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/02/15 19:56:14 UTC
[GitHub] [arrow-rs] alamb opened a new issue #1312: Add `as_decimal_array(arr: &dyn Array) -> &DecimalArray`
alamb opened a new issue #1312:
URL: https://github.com/apache/arrow-rs/issues/1312
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
There are many `as_XXX` functions such as [`as_boolean_array`](https://docs.rs/arrow/9.0.2/arrow/array/fn.as_boolean_array.html) to conveniently downcast arrays to the appropriate concrete Array types, but not one for `DecimalArray` 😢 .
The full list of supported ones is in the doc https://docs.rs/arrow/9.0.2/arrow/array/index.html#functions)
**Describe the solution you'd like**
I would like one for DecimalArray:
```
fn as_decimal_array(arr: &dyn Array) -> &DecimalArray {
...
}
```
**Additional context**
Context: I found while working on https://github.com/apache/arrow-datafusion/pull/1475
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[GitHub] [arrow-rs] liukun4515 edited a comment on issue #1312: Add `as_decimal_array(arr: &dyn Array) -> &DecimalArray`
Posted by GitBox <gi...@apache.org>.
liukun4515 edited a comment on issue #1312:
URL: https://github.com/apache/arrow-rs/issues/1312#issuecomment-1042821921
I will do this on the weekend, and focus on some knowledge about ballista and distributed scheduler recently.
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[GitHub] [arrow-rs] alamb commented on issue #1312: Add `as_decimal_array(arr: &dyn Array) -> &DecimalArray`
Posted by GitBox <gi...@apache.org>.
alamb commented on issue #1312:
URL: https://github.com/apache/arrow-rs/issues/1312#issuecomment-1040730503
cc @liukun4515
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[GitHub] [arrow-rs] alamb closed issue #1312: Add `as_decimal_array(arr: &dyn Array) -> &DecimalArray`
Posted by GitBox <gi...@apache.org>.
alamb closed issue #1312:
URL: https://github.com/apache/arrow-rs/issues/1312
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[GitHub] [arrow-rs] liukun4515 commented on issue #1312: Add `as_decimal_array(arr: &dyn Array) -> &DecimalArray`
Posted by GitBox <gi...@apache.org>.
liukun4515 commented on issue #1312:
URL: https://github.com/apache/arrow-rs/issues/1312#issuecomment-1042821921
I will do this in the weekend, and focus on some knowledge about ballista and distributed scheduler.
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[GitHub] [arrow-rs] liukun4515 commented on issue #1312: Add `as_decimal_array(arr: &dyn Array) -> &DecimalArray`
Posted by GitBox <gi...@apache.org>.
liukun4515 commented on issue #1312:
URL: https://github.com/apache/arrow-rs/issues/1312#issuecomment-1042816152
> cc @liukun4515
If no one takes this, I am glad to do this task.
@alamb Please assign it to me.
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