#[non_exhaustive]pub enum ForeignKeyAction {
Restrict,
Cascade,
SetNull,
NoAction,
SetDefault,
}
Expand description
Foreign key on update & on delete actions
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
Trait Implementations§
Source§impl Clone for ForeignKeyAction
impl Clone for ForeignKeyAction
Source§fn clone(&self) -> ForeignKeyAction
fn clone(&self) -> ForeignKeyAction
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 ForeignKeyAction
impl Debug for ForeignKeyAction
impl Copy for ForeignKeyAction
Auto Trait Implementations§
impl Freeze for ForeignKeyAction
impl RefUnwindSafe for ForeignKeyAction
impl Send for ForeignKeyAction
impl Sync for ForeignKeyAction
impl Unpin for ForeignKeyAction
impl UnwindSafe for ForeignKeyAction
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