Trait KeyField 

pub trait KeyField { }

The Rust types a key column can have: non-null scalars.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl KeyField for DateTime<Utc>

impl KeyField for NaiveDate

impl KeyField for String

impl KeyField for bool

impl KeyField for i8

impl KeyField for i16

impl KeyField for i32

impl KeyField for i64

impl KeyField for u8

impl KeyField for u16

impl KeyField for u32

Implementors

impl<const P: u8, const S: u8> KeyField for Numeric<P, S>