Files
nushell/crates/nu_plugin_polars
Jack Wright aa710eeb9a Add groupby support for polars last (#15953)
# Description
Allows `polars last` to be used with group-by
```nu
> ❯ : [[a b c d]; [1 0.5 true Apple] [2 0.5 true Orange] [2 4 true Apple] [3 10 false Apple] [4 13 false Banana] [5 14 true Banana]] | polars into-df -s {a: u8, b: f32, c: bool, d: str} | polars group-by d | polars last | polars sort-by [a] | polars collect
╭───┬────────┬───┬───────┬───────╮
│ # │   d    │ a │   b   │   c   │
├───┼────────┼───┼───────┼───────┤
│ 0 │ Orange │ 2 │  0.50 │ true  │
│ 1 │ Apple  │ 3 │ 10.00 │ false │
│ 2 │ Banana │ 5 │ 14.00 │ true  │
╰───┴────────┴───┴───────┴───────╯
```

# User-Facing Changes
- `polars last` can now be used with group-by expressions

Co-authored-by: Jack Wright <jack.wright@nike.com>
2025-06-13 12:10:29 -07:00
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