Skip to main content

RangeFrameOffset

risingwave_expr::window_function::range

Struct RangeFrameOffset

pub struct RangeFrameOffset {
    offset: ScalarImpl,
    add_expr: Option<Arc<BoxedExpression>>,
    sub_expr: Option<Arc<BoxedExpression>>,
}

Expand description

The wrapper type for ScalarImpl range frame offset, containing two expressions to help adding and subtracting the offset.

Fields§

§offset: ScalarImpl

The original offset value.

§add_expr: Option<Arc<BoxedExpression>>

Built expression for $0 + offset.

§sub_expr: Option<Arc<BoxedExpression>>

Built expression for $0 - offset.

Implementations§

impl RangeFrameOffset

pub fn new(offset: ScalarImpl) -> Self

fn prepare( &mut self, order_data_type: &DataType, offset_data_type: &DataType, ) -> Result<()>

pub fn new_for_test( offset: ScalarImpl, order_data_type: &DataType, offset_data_type: &DataType, ) -> Self

Methods from Deref<Target = ScalarImpl>§

pub fn get_ident(&self) -> &'static str

pub fn successor(&self) -> Option<ScalarImpl>

Returns the successor of the current value if it exists.

See also Successor.

The function may return None when:

The current value is the maximum value of the type.
The successor value of the type is not well-defined.

pub fn as_int16(&self) -> &i16

§Panics

If the scalar is not of the expected type.

pub fn as_int32(&self) -> &i32

§Panics

If the scalar is not of the expected type.

pub fn as_int64(&self) -> &i64

§Panics

If the scalar is not of the expected type.

pub fn as_int256(&self) -> &Int256

§Panics

If the scalar is not of the expected type.

pub fn as_float32(&self) -> &OrderedFloat<f32>

§Panics

If the scalar is not of the expected type.

pub fn as_float64(&self) -> &OrderedFloat<f64>

§Panics

If the scalar is not of the expected type.

pub fn as_utf8(&self) -> &Box<str>

§Panics

If the scalar is not of the expected type.

pub fn as_bool(&self) -> &bool

§Panics

If the scalar is not of the expected type.

pub fn as_decimal(&self) -> &Decimal

§Panics

If the scalar is not of the expected type.

pub fn as_interval(&self) -> &Interval

§Panics

If the scalar is not of the expected type.

pub fn as_date(&self) -> &Date

§Panics

If the scalar is not of the expected type.

pub fn as_time(&self) -> &Time

§Panics

If the scalar is not of the expected type.

pub fn as_timestamp(&self) -> &Timestamp

§Panics

If the scalar is not of the expected type.

pub fn as_timestamptz(&self) -> &Timestamptz

§Panics

If the scalar is not of the expected type.

pub fn as_jsonb(&self) -> &JsonbVal

§Panics

If the scalar is not of the expected type.

pub fn as_serial(&self) -> &Serial

§Panics

If the scalar is not of the expected type.

pub fn as_struct(&self) -> &StructValue

§Panics

If the scalar is not of the expected type.

pub fn as_list(&self) -> &ListValue

§Panics

If the scalar is not of the expected type.

pub fn as_map(&self) -> &MapValue

§Panics

If the scalar is not of the expected type.

pub fn as_vector(&self) -> &VectorInner<Box<[OrderedFloat<f32>]>>

§Panics

If the scalar is not of the expected type.

pub fn as_bytea(&self) -> &Box<[u8]>

§Panics

If the scalar is not of the expected type.

pub fn as_scalar_ref_impl(&self) -> ScalarRefImpl<'_>

Converts ScalarImpl to ScalarRefImpl

pub fn serialize(&self, ser: &mut Serializer<impl BufMut>) -> Result<(), Error>

Serialize the scalar into the memcomparable format.

pub fn as_integral(&self) -> i64

Trait Implementations§

impl Clone for RangeFrameOffset

fn clone(&self) -> RangeFrameOffset

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for RangeFrameOffset

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl Deref for RangeFrameOffset

type Target = ScalarImpl

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl Eq for RangeFrameOffset
where ScalarImpl: PartialEq,

impl Hash for RangeFrameOffset
where ScalarImpl: Hash,

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq for RangeFrameOffset
where ScalarImpl: PartialEq,

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

Auto Trait Implementations§

impl !RefUnwindSafe for RangeFrameOffset

impl !UnwindSafe for RangeFrameOffset

impl Freeze for RangeFrameOffset

impl Send for RangeFrameOffset

impl Sync for RangeFrameOffset

impl Unpin for RangeFrameOffset

impl UnsafeUnpin for RangeFrameOffset

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<U> As for U

fn as_<T>(self) -> T
where T: CastFrom<U>, U: Sized,

Casts self to type T. The semantics of numeric casting with the as operator are followed, so <T as As>::as_::<U> can be used in the same way as T as U for numeric conversions. Read more

impl<T> AsAny for T
where T: Any,

fn as_any(&self) -> &(dyn Any + 'static)

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

fn type_name(&self) -> &'static str

Gets the type name of self

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> Downcast for T
where T: Any,

fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

impl<T> Downcast for T
where T: AsAny + ?Sized,

fn is<T>(&self) -> bool
where T: AsAny,

Returns true if the boxed type is the same as T. Read more

fn downcast_ref<T>(&self) -> Option<&T>
where T: AsAny,

Forward to the method defined on the type Any.

fn downcast_mut<T>(&mut self) -> Option<&mut T>
where T: AsAny,

Forward to the method defined on the type Any.

impl<T> DowncastSend for T
where T: Any + Send,

fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.

impl<T> DowncastSync for T
where T: Any + Send + Sync,

fn into_any_sync(self: Box<T>) -> Box<dyn Any + Send + Sync>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.

impl<T> DynClone for T
where T: Clone,

fn __clone_box(&self, _: Private) -> *mut ()

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FromRef<T> for T
where T: Clone,

fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

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 more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

impl<T> IntoResult<T> for T

type Err = Infallible

fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

impl<T> Key for T
where T: Send + Sync + 'static + Hash + Eq,

impl<T> Key for T
where T: Hash + Eq + Debug + Send + Sync + 'static,

impl<L> LayerExt<L> for L

fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>
where L: Layer<S>,

Applies the layer to a service and wraps it in [Layered].

impl<T> LruKey for T
where T: Eq + Send + Hash,

impl<T> LruValue for T
where T: Send + Sync,

impl<T> MaybeSend for T
where T: Send,

impl<M> MetricVecRelabelExt for M

fn relabel( self, metric_level: MetricLevel, relabel_threshold: MetricLevel, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level.

fn relabel_n( self, metric_level: MetricLevel, relabel_threshold: MetricLevel, relabel_num: usize, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level_relabel_n.

fn relabel_debug_1( self, relabel_threshold: MetricLevel, ) -> RelabeledMetricVec<M>

Equivalent to RelabeledMetricVec::with_metric_level_relabel_n with metric_level set to MetricLevel::Debug and relabel_num set to 1.

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> PolicyExt for T
where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more

impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)

The target type on which the method may be called.

impl<T> Same for T

type Output = T

Should always be Self

impl<T> SameOrElseExt for T
where T: Eq,

fn same_or_else(self, other: T, f: impl FnOnce() -> T) -> T

Check if self and other are equal, if so, return self, otherwise return the result of f().

impl<T> Scope for T

fn with<F, R>(self, f: F) -> R
where Self: Sized, F: FnOnce(Self) -> R,

Scoped with ownership.

fn with_ref<F, R>(&self, f: F) -> R
where F: FnOnce(&Self) -> R,

Scoped with reference.

fn with_mut<F, R>(&mut self, f: F) -> R
where F: FnOnce(&mut Self) -> R,

Scoped with mutable reference.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> Value for T
where T: Send + Sync + 'static,

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more