Struct lance_encoding::encodings::logical::list::ListFieldEncoder

pub struct ListFieldEncoder { /* private fields */ }

Implementations

impl ListFieldEncoder

pub fn new( items_encoder: Box<dyn FieldEncoder>, cache_bytes_per_columns: u64, column_index: u32 ) -> Self

Trait Implementations

impl FieldEncoder for ListFieldEncoder

fn maybe_encode( &mut self, array: ArrayRef ) -> Result<Vec<BoxFuture<'static, Result<EncodedPage>>>>

Buffer the data and, if there is enough data in the buffer to form a page, return an encoding task to encode the data.

fn flush(&mut self) -> Result<Vec<BoxFuture<'static, Result<EncodedPage>>>>

Flush any remaining data from the buffers into encoding tasks

fn num_columns(&self) -> u32

The number of output columns this encoding will create