pub enum SetOperation {
UnionAll,
Union,
Intersect,
Except,
}
Expand description
Set operation type for combining SELECT statements
Variants§
UnionAll
UNION ALL - combines results without deduplication
Union
UNION - combines results with deduplication (not yet implemented)
Intersect
INTERSECT - returns common rows (not yet implemented)
Except
EXCEPT - returns rows from left not in right (not yet implemented)
Trait Implementations§
Source§impl Clone for SetOperation
impl Clone for SetOperation
Source§fn clone(&self) -> SetOperation
fn clone(&self) -> SetOperation
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 SetOperation
impl Debug for SetOperation
Source§impl PartialEq for SetOperation
impl PartialEq for SetOperation
impl StructuralPartialEq for SetOperation
Auto Trait Implementations§
impl Freeze for SetOperation
impl RefUnwindSafe for SetOperation
impl Send for SetOperation
impl Sync for SetOperation
impl Unpin for SetOperation
impl UnwindSafe for SetOperation
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> 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