Struct BinaryFieldScheduler

pub struct BinaryFieldScheduler { /* private fields */ }

A logical scheduler for utf8/binary pages which assumes the data are encoded as List

Implementations

impl BinaryFieldScheduler

pub fn new( varbin_scheduler: Arc<dyn FieldScheduler>, data_type: DataType, ) -> Self

Trait Implementations

impl Debug for BinaryFieldScheduler

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FieldScheduler for BinaryFieldScheduler

fn schedule_ranges<'a>( &'a self, ranges: &[Range<u64>], filter: &FilterExpression, ) -> Result<Box<dyn SchedulingJob + 'a>>

Schedules I/O for the requested portions of the field.

fn num_rows(&self) -> u64

The number of rows in this field

fn initialize<'a>( &'a self, _filter: &'a FilterExpression, _context: &'a SchedulerContext, ) -> BoxFuture<'a, Result<()>>

Called at the beginning of scheduling to initialize the scheduler