Struct CsvInferenceOptions 

pub struct CsvInferenceOptions {
    pub delimiter: u8,
    pub has_header: bool,
    pub quote: Option<u8>,
    pub escape: Option<u8>,
    pub null_regex: Option<String>,
    pub max_sample_records: Option<usize>,
    pub column_name_mode: ColumnNameMode,
}

Options for CSV schema inference.

Controls how CSV files are parsed and how column types are inferred. Use the builder pattern to customize options from the defaults.

Example

let options = CsvInferenceOptions::new()
    .with_delimiter(b'\t')
    .with_has_header(false)
    .with_column_name_mode(ColumnNameMode::Sanitize);

Fields

delimiter: u8

Field delimiter byte (default: ,).

has_header: bool

Whether the first row is a header (default: true).

quote: Option<u8>

Quote character (default: Some(b'"')).

escape: Option<u8>

Escape character (default: None).

null_regex: Option<String>

Regex pattern for values treated as NULL (default: "^$" — empty string).

max_sample_records: Option<usize>

Maximum number of records to sample for type inference (default: None — all rows).

column_name_mode: ColumnNameMode

How to format column names in DDL output.

Implementations

impl CsvInferenceOptions

pub fn new() -> Self

Create a new CsvInferenceOptions with default values.

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

Set the field delimiter.

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

Set whether the CSV has a header row.

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

Set the quote character.

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

Set the escape character.

pub fn with_null_regex(self, null_regex: Option<String>) -> Self

Set the null regex pattern.

pub fn with_max_sample_records(self, max_sample_records: Option<usize>) -> Self

Set the maximum number of records to sample.

pub fn with_column_name_mode(self, mode: ColumnNameMode) -> Self

Set the column name mode.

Trait Implementations

impl Clone for CsvInferenceOptions

fn clone(&self) -> CsvInferenceOptions

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CsvInferenceOptions

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

Formats the value using the given formatter.

impl Default for CsvInferenceOptions

fn default() -> Self

Returns the “default value” for a type.