pub enum AssignmentTarget {
ColumnName(ObjectName),
Tuple(Vec<ObjectName>),
}Expand description
Left-hand side of an assignment in an UPDATE statement,
e.g. foo in foo = 5 (ColumnName assignment) or
(a, b) in (a, b) = (1, 2) (Tuple assignment).
Variants§
Trait Implementations§
source§impl Clone for AssignmentTarget
impl Clone for AssignmentTarget
source§fn clone(&self) -> AssignmentTarget
fn clone(&self) -> AssignmentTarget
Returns a copy 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 AssignmentTarget
impl Debug for AssignmentTarget
source§impl Display for AssignmentTarget
impl Display for AssignmentTarget
source§impl Hash for AssignmentTarget
impl Hash for AssignmentTarget
source§impl Ord for AssignmentTarget
impl Ord for AssignmentTarget
source§fn cmp(&self, other: &AssignmentTarget) -> Ordering
fn cmp(&self, other: &AssignmentTarget) -> Ordering
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
source§impl PartialEq for AssignmentTarget
impl PartialEq for AssignmentTarget
source§impl PartialOrd for AssignmentTarget
impl PartialOrd for AssignmentTarget
source§impl Visit for AssignmentTarget
impl Visit for AssignmentTarget
source§impl VisitMut for AssignmentTarget
impl VisitMut for AssignmentTarget
fn visit<V>(&mut self, visitor: &mut V) -> ControlFlow<<V as VisitorMut>::Break>where
V: VisitorMut,
impl Eq for AssignmentTarget
impl StructuralPartialEq for AssignmentTarget
Auto Trait Implementations§
impl Freeze for AssignmentTarget
impl RefUnwindSafe for AssignmentTarget
impl Send for AssignmentTarget
impl Sync for AssignmentTarget
impl Unpin for AssignmentTarget
impl UnwindSafe for AssignmentTarget
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§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit)source§impl<Q, K> Comparable<K> for Q
impl<Q, K> Comparable<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
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