polars implode

For dataframe.

Aggregates values into a list.

warning This command requires a plugin The polars implode command resides in the polars plugin. To use this command, you must install and register nu_plugin_polars. See the Plugins chapter in the book for more information.

Command Type

plugin

Signature

> polars implode {flags}

Flags

  • --maintain-order, -o: Maintains the order of the original values in the list

Input/output types:

input output
polars_expression polars_expression
polars_selector polars_expression

Examples

Create two lists for columns a and b with all the rows as values.

> [[a b]; [1 4] [2 5] [3 6]] | polars into-df | polars select (polars col '*' | polars implode) | polars collect
╭───┬───────────┬───────────╮
│ # │     a     │     b     │
├───┼───────────┼───────────┤
│ 0 │ ╭───┬───╮ │ ╭───┬───╮ │
│   │ │ 0 │ 1 │ │ │ 0 │ 4 │ │
│   │ │ 1 │ 2 │ │ │ 1 │ 5 │ │
│   │ │ 2 │ 3 │ │ │ 2 │ 6 │ │
│   │ ╰───┴───╯ │ ╰───┴───╯ │
╰───┴───────────┴───────────╯

Ported from nushell/nushell.github.io. Copyright (c) 2021 Nushell Project. MIT License.