adds And and Or operators to polars plugin nu_expressions (#15248)

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solution for #15242 

adds "And"

```
~/Projects/nushell> [[a, b]; [1., 2.], [3.,3.], [4., 6.]] | polars into-df | polars filter (((polars col a) > 2) and ((polars col b) < 5))
╭───┬──────┬──────╮
│ # │  a   │  b   │
├───┼──────┼──────┤
│ 0 │ 3.00 │ 3.00 │
╰───┴──────┴──────╯
```

adds "Or"

```
~/Projects/nushell> [[a, b]; [1., 2.], [3.,3.], [4., 6.]] | polars into-df | polars filter (((polars col a) > 7) or ((polars col b) > 5))
╭───┬──────┬──────╮
│ # │  a   │  b   │
├───┼──────┼──────┤
│ 0 │ 4.00 │ 6.00 │
╰───┴──────┴──────╯
```

but not (yet) xor because polars doesn't have a direct expression for
logical_xor

```
~/Projects/nushell> [[a, b]; [1., 2.], [3.,3.], [4., 6.]] | polars into-df | polars filter (((polars col a) > 7) xor ((polars col b) > 5))
Error: nu:🐚:operator_unsupported_type

  × The 'xor' operator does not work on values of type 'NuExpression'.
   ╭─[entry #5:1:94]
 1 │ [[a, b]; [1., 2.], [3.,3.], [4., 6.]] | polars into-df | polars filter (((polars col a) > 7) xor ((polars col b) > 5))
   ·                                                                                              ─┬─┬
   ·                                                                                               │ ╰── NuExpression
   ·                                                                                               ╰── does not support 'NuExpression'
   ╰────
```

Co-authored-by: Jack Wright <56345+ayax79@users.noreply.github.com>

...

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Matthias Meschede 2025-03-05 17:21:20 +01:00 committed by GitHub

parent 88bbe4abaa

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