Struct lance::format::Fragment

pub struct Fragment {
    pub id: u64,
    pub files: Vec<DataFile>,
}

Data fragment.

A fragment is a set of files which represent the different columns of the same rows. If column exists in the schema, but the related file does not exist, treat this column as nulls.

Fields

id: u64

Fragment ID

files: Vec<DataFile>

Files within the fragment.

Implementations

impl Fragment

pub fn new(id: u64) -> Self

pub fn with_file(id: u64, path: &str, schema: &Schema) -> Self

Create a Fragment with one DataFile

pub fn field_ids(&self) -> Vec<i32>

Get all field IDs from this fragment, sorted.

Trait Implementations

impl Clone for Fragment

fn clone(&self) -> Fragment

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Fragment

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

Formats the value using the given formatter.

impl From<&DataFragment> for Fragment

fn from(p: &DataFragment) -> Self

Converts to this type from the input type.

impl From<&Fragment> for DataFragment

fn from(f: &Fragment) -> Self

Converts to this type from the input type.