Struct polars_io::csv::CsvWriter

pub struct CsvWriter<W: Write> { /* fields omitted */ }

This is supported on crate feature csv-file only.

Write a DataFrame to csv.

Implementations

impl<W> CsvWriter<W> where
    W: Write, 

pub fn has_header(self, has_header: bool) -> Self

Set whether to write headers

pub fn with_delimiter(self, delimiter: u8) -> Self

Set the CSV file’s column delimiter as a byte character

pub fn with_date_format(self, format: String) -> Self

Set the CSV file’s date format

pub fn with_time_format(self, format: String) -> Self

Set the CSV file’s time format

pub fn with_timestamp_format(self, format: String) -> Self

Set the CSV file’s timestamp format array in

Trait Implementations

impl<W> SerWriter<W> for CsvWriter<W> where
    W: Write, 

fn new(buffer: W) -> Self

fn finish(self, df: &DataFrame) -> Result<()>