Enum ConstraintType 

#[repr(u8)]
pub enum ConstraintType {
    PrimaryKey = 1,
    Unique = 2,
    ForeignKey = 3,
    Check = 4,
    NotNull = 5,
}

Constraint type.

Variants

PrimaryKey = 1

Unique = 2

ForeignKey = 3

Check = 4

NotNull = 5

Implementations

impl ConstraintType

pub fn from_byte(byte: u8) -> Option<Self>

Trait Implementations

impl Clone for ConstraintType

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 ConstraintType

impl Debug for ConstraintType

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

Formats the value using the given formatter.

impl Eq for ConstraintType

impl PartialEq for ConstraintType

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ConstraintType