Function polars_io::csv::read_impl::to_batched_owned

pub fn to_batched_owned(
    reader: CsvReader<'_, Box<dyn MmapBytesReader>>,
    schema: SchemaRef
) -> OwnedBatchedCsvReader

Available on crate feature csv-file only.

Examples found in repository

src/csv/read.rs (line 425)

    pub fn batched(mut self, schema: Option<SchemaRef>) -> PolarsResult<OwnedBatchedCsvReader> {
        match schema {
            Some(schema) => Ok(to_batched_owned(self, schema)),
            None => {
                let reader_bytes = get_reader_bytes(&mut self.reader)?;

                let (inferred_schema, _, _) = infer_file_schema(
                    &reader_bytes,
                    self.delimiter.unwrap_or(b','),
                    self.max_records,
                    self.has_header,
                    None,
                    &mut self.skip_rows_before_header,
                    self.skip_rows_after_header,
                    self.comment_char,
                    self.quote_char,
                    self.eol_char,
                    self.null_values.as_ref(),
                    self.parse_dates,
                )?;
                let schema = Arc::new(inferred_schema);
                Ok(to_batched_owned(self, schema))
            }
        }
    }