pub enum ReferentialAction {
Restrict,
Cascade,
SetNull,
NoAction,
SetDefault,
}
Expand description
<referential_action> = { RESTRICT | CASCADE | SET NULL | NO ACTION | SET DEFAULT }
Used in foreign key constraints in ON UPDATE
and ON DELETE
options.
Variants§
Trait Implementations§
source§impl Clone for ReferentialAction
impl Clone for ReferentialAction
source§fn clone(&self) -> ReferentialAction
fn clone(&self) -> ReferentialAction
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for ReferentialAction
impl Debug for ReferentialAction
source§impl Display for ReferentialAction
impl Display for ReferentialAction
source§impl Hash for ReferentialAction
impl Hash for ReferentialAction
source§impl PartialEq<ReferentialAction> for ReferentialAction
impl PartialEq<ReferentialAction> for ReferentialAction
source§fn eq(&self, other: &ReferentialAction) -> bool
fn eq(&self, other: &ReferentialAction) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Eq for ReferentialAction
impl StructuralEq for ReferentialAction
impl StructuralPartialEq for ReferentialAction
Auto Trait Implementations§
impl RefUnwindSafe for ReferentialAction
impl Send for ReferentialAction
impl Sync for ReferentialAction
impl Unpin for ReferentialAction
impl UnwindSafe for ReferentialAction
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more