pub struct NavigationExpr { /* private fields */ }Expand description
Bound, read-only navigation expression.
Implementations§
pub fn identity(&self) -> &NavigationPathIdentity
pub fn root_relation(&self) -> &RootRelationInstance
pub fn steps(&self) -> &[ReferenceStep]
pub fn terminal_column(&self) -> &SchemaColumnId
pub fn terminal_type(&self) -> DataType
pub fn nullable(&self) -> bool
pub fn display_path(&self) -> &str
pub fn validate(&self, engine: &dyn Engine) -> Result<()>
Trait Implementations§
Source§fn clone(&self) -> NavigationExpr
fn clone(&self) -> NavigationExpr
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreAuto Trait Implementations§
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<T> CompactArcDrop for T
impl<T> CompactArcDrop for T
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.