Trait RowValue 

pub trait RowValue: Sized {
    // Required method
    fn from_row(row: &Row, idx: usize) -> Option<Self>;
}

Trait for types that can be extracted from a Row.

Required Methods

fn from_row(row: &Row, idx: usize) -> Option<Self>

Extract a value from a Row at the given column index.

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 RowValue for bool

fn from_row(row: &Row, idx: usize) -> Option<Self>

impl RowValue for f32

fn from_row(row: &Row, idx: usize) -> Option<Self>

impl RowValue for f64

fn from_row(row: &Row, idx: usize) -> Option<Self>

impl RowValue for i16

fn from_row(row: &Row, idx: usize) -> Option<Self>

impl RowValue for i32

fn from_row(row: &Row, idx: usize) -> Option<Self>

impl RowValue for i64

fn from_row(row: &Row, idx: usize) -> Option<Self>

impl RowValue for String

fn from_row(row: &Row, idx: usize) -> Option<Self>

impl RowValue for Vec<u8>

fn from_row(row: &Row, idx: usize) -> Option<Self>

Implementors

impl RowValue for Date

impl RowValue for Interval

impl RowValue for Numeric

impl RowValue for OffsetTimestamp

impl RowValue for Time

impl RowValue for Timestamp