Enum ConstraintMapper 

pub enum ConstraintMapper {
    PrimaryKey,
}

ConstraintMapper exists to map to SqlType without imposing the cost of an empty version

This will exist until this RFC is brought back: https://github.com/rust-lang/rfcs/pull/2593

Variants

PrimaryKey

Trait Implementations

impl Clone for ConstraintMapper

fn clone(&self) -> ConstraintMapper

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ConstraintMapper

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

Formats the value using the given formatter.

impl Display for ConstraintMapper

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

Formats the value using the given formatter.

impl PartialEq for ConstraintMapper

fn eq(&self, other: &ConstraintMapper) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ConstraintMapper