Enum ConKind 

pub enum ConKind {
    Check,
    NotNull,
    Primary,
    Unique,
    Foreign,
    Trigger,
}

The kind of a constraint, contype.

Variants

Check

A check constraint, c.

NotNull

A not-null constraint, n.

Primary

A primary key, p.

Unique

A unique constraint, u.

Foreign

A foreign key, f.

Trigger

The constraint of a constraint trigger, t.

Implementations

impl ConKind

pub fn code(self) -> char

The contype letter.

Trait Implementations

impl Clone for ConKind

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ConKind

impl Debug for ConKind

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

Formats the value using the given formatter.

impl Eq for ConKind

impl PartialEq for ConKind

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ConKind