polars get-year

For dataframe.

Gets year from date.

warning This command requires a plugin The polars get-year 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 get-year {flags}

Input/output types:

input output
polars_dataframe polars_dataframe
polars_lazyframe polars_lazyframe
polars_expression polars_expression
polars_selector polars_expression

Examples

Returns year from a date

> let dt = ('2020-08-04T16:39:18+00:00' | into datetime --timezone 'UTC');
    let df = ([$dt $dt] | polars into-df);
    $df | polars get-year
╭───┬──────╮
│ # │  0   │
├───┼──────┤
│ 0 │ 2020 │
│ 1 │ 2020 │
╰───┴──────╯

Returns year from a date in an expression

> let dt = ('2020-08-04T16:39:18+00:00' | into datetime --timezone 'UTC');
    let df = ([$dt $dt] | polars into-df);
    $df | polars select (polars col 0 | polars get-year)
╭───┬──────╮
│ # │  0   │
├───┼──────┤
│ 0 │ 2020 │
│ 1 │ 2020 │
╰───┴──────╯

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