lazyframe

Selects columns from lazyframe.

This command requires a plugin

The polars select 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.

Signature

> polars select {flags} ...rest

Parameters

• ...rest: Expression(s) that define the column selection

Input/output types:

input	output
any	any

Examples

Select a column from the dataframe

> [[a b]; [6 2] [4 2] [2 2]] | polars into-df | polars select a
╭───┬───╮
│ # │ a │
├───┼───┤
│ 0 │ 6 │
│ 1 │ 4 │
│ 2 │ 2 │
╰───┴───╯