Struct arrow_csv::reader::Format

pub struct Format { /* private fields */ }

The format specification for the CSV file

Implementations

impl Format

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

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

pub fn with_escape(self, escape: u8) -> Self

pub fn with_quote(self, quote: u8) -> Self

pub fn with_terminator(self, terminator: u8) -> Self

pub fn with_null_regex(self, null_regex: Regex) -> Self

Provide a regex to match null values, defaults to ^$

pub fn infer_schema<R: Read>( &self, reader: R, max_records: Option<usize> ) -> Result<(Schema, usize), ArrowError>

Infer schema of CSV records from the provided reader

If max_records is None, all records will be read, otherwise up to max_records records are read to infer the schema

Returns inferred schema and number of records read

Trait Implementations

impl Clone for Format

fn clone(&self) -> Format

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Format

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

Formats the value using the given formatter.

impl Default for Format

fn default() -> Format

Returns the “default value” for a type.