lazyframe

Sorts a lazy dataframe based on expression(s).

WARNING

Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe flag

Signature

> dfr sort-by {flags} ...rest

Flags

• --reverse, -r {list<bool>}: Reverse sorting. Default is false
• --nulls-last, -n: nulls are shown last in the dataframe
• --maintain-order, -m: Maintains order during sort

Parameters

• ...rest: sort expression for the dataframe

Input/output types:

input	output
any	any

Examples

Sort dataframe by one column

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

Sort column using two columns

> [[a b]; [6 2] [1 1] [1 4] [2 4]] | dfr into-df | dfr sort-by [a b] -r [false true]
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 0 │ 1 │ 4 │
│ 1 │ 1 │ 1 │
│ 2 │ 2 │ 4 │
│ 3 │ 6 │ 2 │
╰───┴───┴───╯