Struct FieldTapePositions 

struct FieldTapePositions {
    data: Vec<u32>,
    row_count: usize,
}

Reusable buffer for tape positions, indexed by (field_idx, row_idx). A value of 0 indicates the field is absent for that row.

Fields

data: Vec<u32>

row_count: usize

Implementations

impl FieldTapePositions

fn new() -> Self

fn resize( &mut self, field_count: usize, row_count: usize, ) -> Result<(), ArrowError>

fn try_set(&mut self, field_idx: usize, row_idx: usize, pos: u32) -> Option<()>

fn set(&mut self, field_idx: usize, row_idx: usize, pos: u32)

fn field_positions(&self, field_idx: usize) -> &[u32]