Struct ArrowWriterBuilder 

pub struct ArrowWriterBuilder<W> { /* private fields */ }

Construct an ArrowWriter to encode RecordBatches into a single ORC file.

Implementations

impl<W: Write> ArrowWriterBuilder<W>

pub fn new(writer: W, schema: SchemaRef) -> Self

Create a new ArrowWriterBuilder, which will write an ORC file to the provided writer, with the expected Arrow schema.

pub fn with_batch_size(self, batch_size: usize) -> Self

Batch size controls the encoding behaviour, where batch_size values are encoded at a time. Default is 1024.

pub fn with_stripe_byte_size(self, stripe_byte_size: usize) -> Self

The approximate size of stripes. Default is 64MiB.

pub fn try_build(self) -> Result<ArrowWriter<W>>

Construct an ArrowWriter ready to encode RecordBatches into an ORC file.