Enum FkAction 

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

Foreign key action on DELETE/UPDATE.

Variants

NoAction

No action on referenced row change.

Cascade

Cascade the delete/update to referencing rows.

SetNull

Set referencing column to NULL.

SetDefault

Set referencing column to its DEFAULT.

Restrict

Prevent the action (raises error).

Trait Implementations

impl Clone for FkAction

fn clone(&self) -> FkAction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FkAction

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

Formats the value using the given formatter.

impl Default for FkAction

fn default() -> FkAction

Returns the “default value” for a type.

impl PartialEq for FkAction

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for FkAction