Trait SQLConstraint 

pub trait SQLConstraint {
    type Table;
    type Kind;
    type Columns;
}

Typed (non-dyn) constraint metadata.

Required Associated Types

type Table

type Kind

type Columns

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl SQLConstraint for NoConstraint

type Table = ()

type Kind = ()

type Columns = ()