Struct arrow_csv::writer::WriterBuilder

pub struct WriterBuilder { /* private fields */ }

A CSV writer builder

Implementations

impl WriterBuilder

pub fn new() -> Self

Create a new builder for configuring CSV writing options.

To convert a builder into a writer, call WriterBuilder::build

Example

fn example() -> Writer<File> {
    let file = File::create("target/out.csv").unwrap();

    // create a builder that doesn't write headers
    let builder = WriterBuilder::new().has_headers(false);
    let writer = builder.build(file);

    writer
}

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

Set the CSV file’s datetime 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

pub fn with_null(self, null_value: String) -> Self

Set the value to represent null in output

pub fn build<W: Write>(self, writer: W) -> Writer<W>

Create a new Writer

Trait Implementations

impl Debug for WriterBuilder

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for WriterBuilder

fn default() -> Self

Returns the “default value” for a type.