Struct TableSchema

pub struct TableSchema { /* private fields */ }

An object that holds the schema for a table and the projection of the file schema to the table schema.

Implementations

impl TableSchema

pub fn new(schema: SchemaRef, file_projection: Vec<usize>) -> Self

Create a new table schema

pub fn file_schema(&self) -> Result<SchemaRef>

Get the schema for the underlying file

pub fn fields(&self) -> Fields

Get the fields for the table

pub fn table_schema(&self) -> SchemaRef

Get the schema for the table

Trait Implementations

impl Clone for TableSchema

fn clone(&self) -> TableSchema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TableSchema

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

Formats the value using the given formatter.