Trait FromColumn 

pub trait FromColumn: Sized {
    // Required method
    fn from_column(column: &ArrayRef, row_idx: usize) -> DbxResult<Self>;
}

Arrow Array에서 Rust 타입으로 변환하는 트레이트

Required Methods

fn from_column(column: &ArrayRef, row_idx: usize) -> DbxResult<Self>

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl FromColumn for bool

fn from_column(column: &ArrayRef, row_idx: usize) -> DbxResult<Self>

impl FromColumn for f64

fn from_column(column: &ArrayRef, row_idx: usize) -> DbxResult<Self>

impl FromColumn for i32

fn from_column(column: &ArrayRef, row_idx: usize) -> DbxResult<Self>

impl FromColumn for i64

fn from_column(column: &ArrayRef, row_idx: usize) -> DbxResult<Self>

impl FromColumn for String

fn from_column(column: &ArrayRef, row_idx: usize) -> DbxResult<Self>

impl<T: FromColumn> FromColumn for Option<T>

fn from_column(column: &ArrayRef, row_idx: usize) -> DbxResult<Self>

Implementors