Method schema

arrow-csv/src/reader/mod.rs:514–523

Returns the schema of the reader, useful for getting the schema without reading record batches

(&self)

    /// Returns the schema of the reader, useful for getting the schema without reading
    /// record batches
    pub fn schema(&self) -> SchemaRef {
        match &self.decoder.projection {
            Some(projection) => {
                let fields = self.decoder.schema.fields();
                let projected = projection.iter().map(|i| fields[*i].clone());
                Arc::new(Schema::new(projected.collect::<Fields>()))
            }
            None => self.decoder.schema.clone(),
        }
    }
}

impl<R: BufRead> BufReader<R> {