pub struct NoForeignKey;Expand description
Marker used for columns that do not define a foreign key.
Trait Implementations§
Source§impl SQLForeignKey for NoForeignKey
impl SQLForeignKey for NoForeignKey
type SourceTable = ()
type TargetTable = ()
type SourceColumns = ()
type TargetColumns = ()
Auto Trait Implementations§
impl Freeze for NoForeignKey
impl RefUnwindSafe for NoForeignKey
impl Send for NoForeignKey
impl Sync for NoForeignKey
impl Unpin for NoForeignKey
impl UnsafeUnpin for NoForeignKey
impl UnwindSafe for NoForeignKey
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