Enum OnDelete 

pub enum OnDelete {
    Cascade,
    SetNull,
    Restrict,
    NoAction,
}

ON DELETE action for foreign keys.

Variants

Cascade

SetNull

Restrict

NoAction

Trait Implementations

impl Clone for OnDelete

fn clone(&self) -> OnDelete

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OnDelete

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

Formats the value using the given formatter.

impl Hash for OnDelete

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for OnDelete

fn eq(&self, other: &OnDelete) -> 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 Eq for OnDelete

impl StructuralPartialEq for OnDelete