This is supported on crate features
postgres
and def
only.Expand description
A constraint which states that a value must satisfy the following Boolean expression
Fields
name: String
expr: String
The Boolean expression that must be satisfied
no_inherit: bool
If marked with NO INHERIT, the constraint will not propogate to child tables
Trait Implementations
impl StructuralPartialEq for Check
Auto Trait Implementations
impl RefUnwindSafe for Check
impl Send for Check
impl Sync for Check
impl Unpin for Check
impl UnwindSafe for Check
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more