Enum ReferentialAction 

pub enum ReferentialAction {
    Cascade,
    Restrict,
    NoAction,
    SetNull,
    SetDefault,
}

Referential actions for foreign key constraints.

Variants

Cascade

CASCADE action.

Restrict

RESTRICT action.

NoAction

NO ACTION.

SetNull

SET NULL.

SetDefault

SET DEFAULT.

Trait Implementations

impl Clone for ReferentialAction

fn clone(&self) -> ReferentialAction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ReferentialAction

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

Formats the value using the given formatter.

impl Display for ReferentialAction

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

Formats the value using the given formatter.

impl PartialEq for ReferentialAction

fn eq(&self, other: &ReferentialAction) -> 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 ReferentialAction

impl Eq for ReferentialAction

impl StructuralPartialEq for ReferentialAction