Enum datafusion::sql::sqlparser::ast::WindowFrameBound
source · pub enum WindowFrameBound {
CurrentRow,
Preceding(Option<Box<Expr>>),
Following(Option<Box<Expr>>),
}
Expand description
Specifies WindowFrame’s start_bound
and end_bound
Variants§
CurrentRow
CURRENT ROW
Preceding(Option<Box<Expr>>)
<N> PRECEDING
or UNBOUNDED PRECEDING
Following(Option<Box<Expr>>)
<N> FOLLOWING
or UNBOUNDED FOLLOWING
.
Trait Implementations§
source§impl Clone for WindowFrameBound
impl Clone for WindowFrameBound
source§fn clone(&self) -> WindowFrameBound
fn clone(&self) -> WindowFrameBound
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 WindowFrameBound
impl Debug for WindowFrameBound
source§impl Display for WindowFrameBound
impl Display for WindowFrameBound
source§impl Hash for WindowFrameBound
impl Hash for WindowFrameBound
source§impl Ord for WindowFrameBound
impl Ord for WindowFrameBound
source§fn cmp(&self, other: &WindowFrameBound) -> Ordering
fn cmp(&self, other: &WindowFrameBound) -> 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 WindowFrameBound
impl PartialEq for WindowFrameBound
source§fn eq(&self, other: &WindowFrameBound) -> bool
fn eq(&self, other: &WindowFrameBound) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for WindowFrameBound
impl PartialOrd for WindowFrameBound
source§fn partial_cmp(&self, other: &WindowFrameBound) -> Option<Ordering>
fn partial_cmp(&self, other: &WindowFrameBound) -> Option<Ordering>
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moresource§impl TryFrom<WindowFrameBound> for WindowFrameBound
impl TryFrom<WindowFrameBound> for WindowFrameBound
§type Error = DataFusionError
type Error = DataFusionError
The type returned in the event of a conversion error.
source§fn try_from(
value: WindowFrameBound,
) -> Result<WindowFrameBound, DataFusionError>
fn try_from( value: WindowFrameBound, ) -> Result<WindowFrameBound, DataFusionError>
Performs the conversion.
source§impl Visit for WindowFrameBound
impl Visit for WindowFrameBound
source§impl VisitMut for WindowFrameBound
impl VisitMut for WindowFrameBound
fn visit<V>(&mut self, visitor: &mut V) -> ControlFlow<<V as VisitorMut>::Break>where
V: VisitorMut,
impl Eq for WindowFrameBound
impl StructuralPartialEq for WindowFrameBound
Auto Trait Implementations§
impl Freeze for WindowFrameBound
impl RefUnwindSafe for WindowFrameBound
impl Send for WindowFrameBound
impl Sync for WindowFrameBound
impl Unpin for WindowFrameBound
impl UnwindSafe for WindowFrameBound
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<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> 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