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Posted to github@arrow.apache.org by "izveigor (via GitHub)" <gi...@apache.org> on 2023/07/15 18:50:53 UTC
[GitHub] [arrow-datafusion] izveigor opened a new issue, #6975: Implement `array_slice` function
izveigor opened a new issue, #6975:
URL: https://github.com/apache/arrow-datafusion/issues/6975
### Is your feature request related to a problem or challenge?
## Summary
| Characteristic | Description |
| --------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Function name: | `array_slice` |
| Aliases: | `list_slice`, `array[i:j]` |
| Original function?: | No |
| Function Description: | <b>Clickhouse:</b> Returns a slice of the array. <br> <b>DuckDB:</b> Extract a sublist using slice conventions. NULLs are interpreted as the bounds of the LIST. Negative values are accepted. <b> </b> |
| Sources: | [Concept](https://github.com/apache/arrow-datafusion/discussions/6855) [ClickHouse](https://clickhouse.com/docs/en/sql-reference/functions/array-functions#arrayslice) [DuckDB](https://duckdb.org/docs/sql/functions/nested) |
## Examples:
```
select array_slice([1, 2, 3, 4], 2, 3);
----
[2, 3]
```
```
select array_slice([1, 2, 3, 4], 1, 1);
----
[1]
```
### Describe the solution you'd like
_No response_
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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[GitHub] [arrow-datafusion] alamb closed issue #6975: Implement `array_slice` function
Posted by "alamb (via GitHub)" <gi...@apache.org>.
alamb closed issue #6975: Implement `array_slice` function
URL: https://github.com/apache/arrow-datafusion/issues/6975
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