fn register_csv()

in src/context.rs [473:505]

• 30 lines of code
• 3 McCabe index (conditional complexity)

    fn register_csv(
        &mut self,
        name: &str,
        path: PathBuf,
        schema: Option<PyArrowType<Schema>>,
        has_header: bool,
        delimiter: &str,
        schema_infer_max_records: usize,
        file_extension: &str,
        py: Python,
    ) -> PyResult<()> {
        let path = path
            .to_str()
            .ok_or_else(|| PyValueError::new_err("Unable to convert path to a string"))?;
        let delimiter = delimiter.as_bytes();
        if delimiter.len() != 1 {
            return Err(PyValueError::new_err(
                "Delimiter must be a single character",
            ));
        }

        let mut options = CsvReadOptions::new()
            .has_header(has_header)
            .delimiter(delimiter[0])
            .schema_infer_max_records(schema_infer_max_records)
            .file_extension(file_extension);
        options.schema = schema.as_ref().map(|x| &x.0);

        let result = self.ctx.register_csv(name, path, options);
        wait_for_future(py, result).map_err(DataFusionError::from)?;

        Ok(())
    }