Trait RecordBatchWriter

pub trait RecordBatchWriter {
    // Required methods
    fn write(&mut self, batch: &RecordBatch) -> Result<(), ArrowError>;
    fn close(self) -> Result<(), ArrowError>;
}

Trait for types that can write RecordBatch’s.

Required Methods

fn write(&mut self, batch: &RecordBatch) -> Result<(), ArrowError>

Write a single batch to the writer.

fn close(self) -> Result<(), ArrowError>

Write footer or termination data, then mark the writer as done.

Implementations on Foreign Types

impl<W> RecordBatchWriter for ArrowWriter<W>

where W: Write + Send,

fn write(&mut self, batch: &RecordBatch) -> Result<(), ArrowError>

fn close(self) -> Result<(), ArrowError>

Implementors

impl<W> RecordBatchWriter for datafusion_python::datafusion_common::arrow::csv::Writer<W>

where W: Write,

impl<W> RecordBatchWriter for FileWriter<W>

where W: Write,

impl<W> RecordBatchWriter for StreamWriter<W>

where W: Write,

impl<W, F> RecordBatchWriter for datafusion_python::datafusion_common::arrow::json::Writer<W, F>

where W: Write, F: JsonFormat,