Enum ConstraintType 

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

Constraint type

Variants

PrimaryKey = 1

Primary key constraint

Unique = 2

Unique constraint

ForeignKey = 3

Foreign key constraint

Check = 4

Check constraint

NotNull = 5

Not null constraint

Trait Implementations

impl Clone for ConstraintType

fn clone(&self) -> ConstraintType

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ConstraintType

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

Formats the value using the given formatter.

impl PartialEq for ConstraintType

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for ConstraintType

impl Eq for ConstraintType

impl StructuralPartialEq for ConstraintType