Enum Constraint 

pub enum Constraint {
    Key(u32),
    Check(u32),
    Foreign(u32),
    NotNull(u32),
}

One constraint of a CREATE TABLE, by its place in the list of its kind.

Variants

Key(u32)

One of CreateTable::keys.

Check(u32)

One of CreateTable::checks.

Foreign(u32)

One of CreateTable::foreign.

NotNull(u32)

A NOT NULL written on the column at this place.

Trait Implementations

impl Clone for Constraint

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 Constraint

impl Debug for Constraint

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

Formats the value using the given formatter.

impl Eq for Constraint

impl PartialEq for Constraint

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Constraint