Struct mz_sql::plan::expr::WindowFrame
source · pub struct WindowFrame {
pub units: WindowFrameUnits,
pub start_bound: WindowFrameBound,
pub end_bound: WindowFrameBound,
}
Expand description
Describe a window frame, e.g. RANGE UNBOUNDED PRECEDING
or
ROWS BETWEEN 5 PRECEDING AND CURRENT ROW
.
Window frames define a subset of the partition , and only a subset of window functions make use of the window frame.
Fields§
§units: WindowFrameUnits
ROWS, RANGE or GROUPS
start_bound: WindowFrameBound
Where the frame starts
end_bound: WindowFrameBound
Where the frame ends
Implementations§
source§impl WindowFrame
impl WindowFrame
sourcepub fn default() -> WindowFrame
pub fn default() -> WindowFrame
Return the default window frame used when one is not explicitly defined
Trait Implementations§
source§impl Arbitrary for WindowFrame
impl Arbitrary for WindowFrame
§type Parameters = (<WindowFrameUnits as Arbitrary>::Parameters, <WindowFrameBound as Arbitrary>::Parameters, <WindowFrameBound as Arbitrary>::Parameters)
type Parameters = (<WindowFrameUnits as Arbitrary>::Parameters, <WindowFrameBound as Arbitrary>::Parameters, <WindowFrameBound as Arbitrary>::Parameters)
The type of parameters that
arbitrary_with
accepts for configuration
of the generated Strategy
. Parameters must implement Default
.§type Strategy = Map<(<WindowFrameUnits as Arbitrary>::Strategy, <WindowFrameBound as Arbitrary>::Strategy, <WindowFrameBound as Arbitrary>::Strategy), fn(_: (WindowFrameUnits, WindowFrameBound, WindowFrameBound)) -> WindowFrame>
type Strategy = Map<(<WindowFrameUnits as Arbitrary>::Strategy, <WindowFrameBound as Arbitrary>::Strategy, <WindowFrameBound as Arbitrary>::Strategy), fn(_: (WindowFrameUnits, WindowFrameBound, WindowFrameBound)) -> WindowFrame>
The type of
Strategy
used to generate values of type Self
.source§fn arbitrary_with(
_top: <WindowFrame as Arbitrary>::Parameters
) -> <WindowFrame as Arbitrary>::Strategy
fn arbitrary_with( _top: <WindowFrame as Arbitrary>::Parameters ) -> <WindowFrame as Arbitrary>::Strategy
source§impl Clone for WindowFrame
impl Clone for WindowFrame
source§fn clone(&self) -> WindowFrame
fn clone(&self) -> WindowFrame
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 WindowFrame
impl Debug for WindowFrame
source§impl<'de> Deserialize<'de> for WindowFrame
impl<'de> Deserialize<'de> for WindowFrame
source§fn deserialize<__D>(
__deserializer: __D
) -> Result<WindowFrame, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>( __deserializer: __D ) -> Result<WindowFrame, <__D as Deserializer<'de>>::Error>where __D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
source§impl Display for WindowFrame
impl Display for WindowFrame
source§impl Hash for WindowFrame
impl Hash for WindowFrame
source§impl MzReflect for WindowFrame
impl MzReflect for WindowFrame
source§fn add_to_reflected_type_info(rti: &mut ReflectedTypeInfo)
fn add_to_reflected_type_info(rti: &mut ReflectedTypeInfo)
Adds names and types of the fields of the struct or enum to
rti
. Read moresource§impl Ord for WindowFrame
impl Ord for WindowFrame
source§fn cmp(&self, other: &WindowFrame) -> Ordering
fn cmp(&self, other: &WindowFrame) -> 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 WindowFrame
impl PartialEq for WindowFrame
source§fn eq(&self, other: &WindowFrame) -> bool
fn eq(&self, other: &WindowFrame) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for WindowFrame
impl PartialOrd for WindowFrame
source§fn partial_cmp(&self, other: &WindowFrame) -> Option<Ordering>
fn partial_cmp(&self, other: &WindowFrame) -> 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 RustType<ProtoWindowFrame> for WindowFrame
impl RustType<ProtoWindowFrame> for WindowFrame
source§fn into_proto(&self) -> ProtoWindowFrame
fn into_proto(&self) -> ProtoWindowFrame
Convert a
Self
into a Proto
value.source§fn from_proto(proto: ProtoWindowFrame) -> Result<WindowFrame, TryFromProtoError>
fn from_proto(proto: ProtoWindowFrame) -> Result<WindowFrame, TryFromProtoError>
source§impl Serialize for WindowFrame
impl Serialize for WindowFrame
source§fn serialize<__S>(
&self,
__serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
fn serialize<__S>( &self, __serializer: __S ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where __S: Serializer,
Serialize this value into the given Serde serializer. Read more
impl Eq for WindowFrame
impl StructuralEq for WindowFrame
impl StructuralPartialEq for WindowFrame
Auto Trait Implementations§
impl RefUnwindSafe for WindowFrame
impl Send for WindowFrame
impl Sync for WindowFrame
impl Unpin for WindowFrame
impl UnwindSafe for WindowFrame
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impl<T> BorrowMut<T> for Twhere T: ?Sized,
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Mutably borrows from an owned value. Read more
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K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,
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Compare self to
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Compare self to
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