pub enum ReferenceDeleteStrategy {
Reject,
Ignore,
Cascade,
Unset,
Custom(Expr),
}Variants§
Trait Implementations§
Source§impl Clone for ReferenceDeleteStrategy
impl Clone for ReferenceDeleteStrategy
Source§fn clone(&self) -> ReferenceDeleteStrategy
fn clone(&self) -> ReferenceDeleteStrategy
Returns a duplicate 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 ReferenceDeleteStrategy
impl Debug for ReferenceDeleteStrategy
Source§impl PartialEq for ReferenceDeleteStrategy
impl PartialEq for ReferenceDeleteStrategy
Source§impl ToSql for ReferenceDeleteStrategy
impl ToSql for ReferenceDeleteStrategy
impl Eq for ReferenceDeleteStrategy
impl StructuralPartialEq for ReferenceDeleteStrategy
Auto Trait Implementations§
impl !Freeze for ReferenceDeleteStrategy
impl RefUnwindSafe for ReferenceDeleteStrategy
impl Send for ReferenceDeleteStrategy
impl Sync for ReferenceDeleteStrategy
impl Unpin for ReferenceDeleteStrategy
impl UnsafeUnpin for ReferenceDeleteStrategy
impl UnwindSafe for ReferenceDeleteStrategy
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
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
Source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key and return true if they are equal.Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more