Struct ColumnInfo

pub struct ColumnInfo {
    pub index: u32,
    pub page_infos: Arc<[PageInfo]>,
    pub buffer_offsets_and_sizes: Arc<[(u64, u64)]>,
    pub encoding: ColumnEncoding,
}

Metadata describing a column in a file

This is typically created by reading the metadata section of a Lance file

Fields

index: u32

The index of the column in the file

page_infos: Arc<[PageInfo]>

The metadata for each page in the column

buffer_offsets_and_sizes: Arc<[(u64, u64)]>

File positions and their sizes of the column-level buffers

encoding: ColumnEncoding

Implementations

impl ColumnInfo

pub fn new( index: u32, page_infos: Arc<[PageInfo]>, buffer_offsets_and_sizes: Vec<(u64, u64)>, encoding: ColumnEncoding, ) -> Self

Create a new instance

pub fn is_structural(&self) -> bool

Trait Implementations

impl Clone for ColumnInfo

fn clone(&self) -> ColumnInfo

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ColumnInfo

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

Formats the value using the given formatter.