mz_repr::timestamp

Struct Timestamp

Source
pub struct Timestamp {
    internal: u64,
}
Expand description

System-wide timestamp type.

Fields§

§internal: u64

note no pub.

Implementations§

Source§

impl Timestamp

Source

pub const MAX: Self = _

Source

pub const MIN: Self = _

Source

pub const fn new(timestamp: u64) -> Self

Source

pub fn to_bytes(&self) -> [u8; 8]

Source

pub fn from_bytes(bytes: [u8; 8]) -> Self

Source

pub fn saturating_sub<I: Into<Self>>(self, rhs: I) -> Self

Source

pub fn saturating_add<I: Into<Self>>(self, rhs: I) -> Self

Source

pub fn saturating_mul<I: Into<Self>>(self, rhs: I) -> Self

Source

pub fn checked_add<I: Into<Self>>(self, rhs: I) -> Option<Self>

Source

pub fn checked_sub<I: Into<Self>>(self, rhs: I) -> Option<Self>

Source

pub fn step_forward(&self) -> Self

Advance a timestamp by the least amount possible such that ts.less_than(ts.step_forward()) is true. Panic if unable to do so.

Source

pub fn step_forward_by(&self, amount: &Self) -> Self

Advance a timestamp forward by the given amount. Panic if unable to do so.

Source

pub fn try_step_forward(&self) -> Option<Self>

Advance a timestamp by the least amount possible such that ts.less_than(ts.step_forward()) is true. Return None if unable to do so.

Source

pub fn try_step_forward_by(&self, amount: &Self) -> Option<Self>

Advance a timestamp forward by the given amount. Return None if unable to do so.

Source

pub fn step_back(&self) -> Option<Self>

Retreat a timestamp by the least amount possible such that ts.step_back().unwrap().less_than(ts) is true. Return None if unable, which must only happen if the timestamp is Timestamp::minimum().

Trait Implementations§

Source§

impl Arbitrary for Timestamp

Source§

type Parameters = <u64 as Arbitrary>::Parameters

The type of parameters that arbitrary_with accepts for configuration of the generated Strategy. Parameters must implement Default.
Source§

type Strategy = Map<<u64 as Arbitrary>::Strategy, fn(_: u64) -> Timestamp>

The type of Strategy used to generate values of type Self.
Source§

fn arbitrary_with(_top: Self::Parameters) -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). The strategy is passed the arguments given in args. Read more
Source§

fn arbitrary() -> Self::Strategy

Generates a Strategy for producing arbitrary values of type the implementing type (Self). Read more
Source§

impl<'a> AsColumnType for Timestamp

Source§

fn as_column_type() -> ColumnType

The SQL column type of this Rust type
Source§

impl Clone for Timestamp

Source§

fn clone(&self) -> Timestamp

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
Source§

impl Codec64 for Timestamp

Source§

fn codec_name() -> String

Name of the codec. Read more
Source§

fn encode(&self) -> [u8; 8]

Encode a timestamp or diff for permanent storage. Read more
Source§

fn decode(buf: [u8; 8]) -> Self

Decode a timestamp or diff previous encoded with this codec’s Codec64::encode. Read more
Source§

impl Columnation for Timestamp

Source§

type InnerRegion = CopyRegion<Timestamp>

The type of region capable of absorbing allocations owned by the Self type. Note: not allocations of Self, but of the things that it owns.
Source§

impl<'a, E> DatumType<'a, E> for Timestamp

Source§

fn nullable() -> bool

Whether this Rust type can represent NULL values
Source§

fn fallible() -> bool

Whether this Rust type can represent errors
Source§

fn try_from_result( res: Result<Datum<'a>, E>, ) -> Result<Self, Result<Datum<'a>, E>>

Try to convert a Result whose Ok variant is a Datum into this native Rust type (Self). If it fails the error variant will contain the original result.
Source§

fn into_result(self, _temp_storage: &'a RowArena) -> Result<Datum<'a>, E>

Convert this Rust type into a Result containing a Datum, or an error
Source§

impl Debug for Timestamp

Source§

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

Formats the value using the given formatter. Read more
Source§

impl Default for Timestamp

Source§

fn default() -> Timestamp

Returns the “default value” for a type. Read more
Source§

impl<'de> Deserialize<'de> for Timestamp

Source§

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
Source§

impl Display for Timestamp

Source§

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

Formats the value using the given formatter. Read more
Source§

impl From<&Timestamp> for u64

Source§

fn from(ts: &Timestamp) -> Self

Converts to this type from the input type.
Source§

impl<'a> From<Timestamp> for Datum<'a>

Source§

fn from(ts: Timestamp) -> Datum<'a>

Converts to this type from the input type.
Source§

impl From<Timestamp> for Numeric

Source§

fn from(ts: Timestamp) -> Self

Converts to this type from the input type.
Source§

impl From<Timestamp> for Duration

Source§

fn from(ts: Timestamp) -> Self

Converts to this type from the input type.
Source§

impl From<Timestamp> for u128

Source§

fn from(ts: Timestamp) -> Self

Converts to this type from the input type.
Source§

impl From<Timestamp> for u64

Source§

fn from(ts: Timestamp) -> Self

Converts to this type from the input type.
Source§

impl From<u64> for Timestamp

Source§

fn from(internal: u64) -> Self

Converts to this type from the input type.
Source§

impl FromStr for Timestamp

Source§

type Err = String

The associated error which can be returned from parsing.
Source§

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
Source§

impl Hash for Timestamp

Source§

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
Source§

impl<'a> IntoOwned<'a> for Timestamp

Source§

type Owned = Timestamp

Owned type into which this type can be converted.
Source§

fn into_owned(self) -> Self::Owned

Conversion from an instance of this type to the owned type.
Source§

fn clone_onto(self, other: &mut Self::Owned)

Clones self onto an existing instance of the owned type.
Source§

fn borrow_as(owned: &'a Self::Owned) -> Self

Borrows an owned instance as oneself.
Source§

impl Lattice for Timestamp

Source§

fn join(&self, other: &Self) -> Self

The smallest element greater than or equal to both arguments. Read more
Source§

fn meet(&self, other: &Self) -> Self

The largest element less than or equal to both arguments. Read more
Source§

fn join_assign(&mut self, other: &Self)
where Self: Sized,

Updates self to the smallest element greater than or equal to both arguments. Read more
Source§

fn meet_assign(&mut self, other: &Self)
where Self: Sized,

Updates self to the largest element less than or equal to both arguments. Read more
Source§

fn advance_by(&mut self, frontier: AntichainRef<'_, Self>)
where Self: Sized,

Advances self to the largest time indistinguishable under frontier. Read more
Source§

impl MzRegionPreference for Timestamp

Source§

type Owned = Timestamp

The owned type of the container.
Source§

type Region = MirrorRegion<Timestamp>

A region that can hold Self.
Source§

impl Ord for Timestamp

Source§

fn cmp(&self, other: &Timestamp) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
Source§

impl PartialEq<&Timestamp> for Timestamp

Source§

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · 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.
Source§

impl PartialEq<Timestamp> for &Timestamp

Source§

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · 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.
Source§

impl PartialEq for Timestamp

Source§

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · 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.
Source§

impl PartialOrd for Timestamp

Source§

fn partial_cmp(&self, other: &Timestamp) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 · Source§

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

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 · Source§

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

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 · Source§

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

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 · Source§

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

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
Source§

impl PartialOrder<&Timestamp> for Timestamp

Source§

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

Returns true iff one element is less than or equal to the other.
Source§

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

Returns true iff one element is strictly less than the other.
Source§

impl PartialOrder<Timestamp> for &Timestamp

Source§

fn less_equal(&self, other: &Timestamp) -> bool

Returns true iff one element is less than or equal to the other.
Source§

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

Returns true iff one element is strictly less than the other.
Source§

impl PartialOrder for Timestamp

Source§

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

Returns true iff one element is less than or equal to the other.
Source§

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

Returns true iff one element is strictly less than the other.
Source§

impl PathSummary<Timestamp> for Timestamp

Source§

fn results_in(&self, src: &Timestamp) -> Option<Timestamp>

Advances a timestamp according to the timestamp actions on the path. Read more
Source§

fn followed_by(&self, other: &Timestamp) -> Option<Timestamp>

Composes this path summary with another path summary. Read more
Source§

impl Refines<()> for Timestamp

Source§

fn to_inner(_: ()) -> Timestamp

Converts the outer timestamp to an inner timestamp.
Source§

fn to_outer(self)

Converts the inner timestamp to an outer timestamp.
Source§

fn summarize(_: <Timestamp as Timestamp>::Summary)

Summarizes an inner path summary as an outer path summary. Read more
Source§

impl Rem for Timestamp

Source§

type Output = Timestamp

The resulting type after applying the % operator.
Source§

fn rem(self, rhs: Timestamp) -> Self::Output

Performs the % operation. Read more
Source§

impl RustType<ProtoTimestamp> for Timestamp

Source§

fn into_proto(&self) -> ProtoTimestamp

Convert a Self into a Proto value.
Source§

fn from_proto(proto: ProtoTimestamp) -> Result<Self, TryFromProtoError>

Consume and convert a Proto back into a Self value. Read more
Source§

fn into_proto_owned(self) -> Proto

A zero clone version of Self::into_proto that types can optionally implement, otherwise, the default implementation delegates to Self::into_proto.
Source§

impl Serialize for Timestamp

Source§

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more
Source§

impl StepForward for Timestamp

Source§

fn step_forward(&self) -> Self

Advance a timestamp by the least amount possible such that ts.less_than(ts.step_forward()) is true. Panic if unable to do so.
Source§

impl Timestamp for Timestamp

Source§

type Summary = Timestamp

A type summarizing action on a timestamp along a dataflow path.
Source§

fn minimum() -> Self

A minimum value suitable as a default.
Source§

impl TimestampManipulation for Timestamp

Source§

fn step_forward(&self) -> Self

Advance a timestamp by the least amount possible such that ts.less_than(ts.step_forward()) is true. Panic if unable to do so.
Source§

fn step_forward_by(&self, amount: &Self) -> Self

Advance a timestamp forward by the given amount. Panic if unable to do so.
Source§

fn try_step_forward(&self) -> Option<Self>

Advance a timestamp by the least amount possible such that ts.less_than(ts.step_forward()) is true. Return None if unable to do so.
Source§

fn try_step_forward_by(&self, amount: &Self) -> Option<Self>

Advance a timestamp forward by the given amount. Return None if unable to do so.
Source§

fn step_back(&self) -> Option<Self>

Retreat a timestamp by the least amount possible such that ts.step_back().unwrap().less_than(ts) is true. Return None if unable, which must only happen if the timestamp is Timestamp::minimum().
Source§

fn maximum() -> Self

Return the maximum value for this timestamp.
Source§

fn round_up(&self, schedule: &RefreshSchedule) -> Option<Self>

Rounds up the timestamp to the time of the next refresh according to the given schedule. Returns None if there is no next refresh.
Source§

fn round_down_minus_1(&self, schedule: &RefreshSchedule) -> Option<Self>

Rounds down timestamp - 1 to the time of the previous refresh according to the given schedule. Returns None if there is no previous refresh.
Source§

impl TryFrom<Datum<'_>> for Timestamp

Source§

type Error = ()

The type returned in the event of a conversion error.
Source§

fn try_from(from: Datum<'_>) -> Result<Self, Self::Error>

Performs the conversion.
Source§

impl TryFrom<Decimal<NUMERIC_DATUM_WIDTH_USIZE>> for Timestamp

Source§

type Error = TryFromDecimalError

The type returned in the event of a conversion error.
Source§

fn try_from(value: Numeric) -> Result<Self, Self::Error>

Performs the conversion.
Source§

impl TryFrom<Duration> for Timestamp

Source§

type Error = TryFromIntError

The type returned in the event of a conversion error.
Source§

fn try_from(value: Duration) -> Result<Self, Self::Error>

Performs the conversion.
Source§

impl TryFrom<Timestamp> for i64

Source§

type Error = TryFromIntError

The type returned in the event of a conversion error.
Source§

fn try_from(value: Timestamp) -> Result<Self, Self::Error>

Performs the conversion.
Source§

impl TryFrom<i64> for Timestamp

Source§

type Error = TryFromIntError

The type returned in the event of a conversion error.
Source§

fn try_from(value: i64) -> Result<Self, Self::Error>

Performs the conversion.
Source§

impl TryFrom<u128> for Timestamp

Source§

type Error = TryFromIntError

The type returned in the event of a conversion error.
Source§

fn try_from(value: u128) -> Result<Self, Self::Error>

Performs the conversion.
Source§

impl Copy for Timestamp

Source§

impl Eq for Timestamp

Source§

impl StructuralPartialEq for Timestamp

Source§

impl TotalOrder for Timestamp

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T, U> CastInto<U> for T
where U: CastFrom<T>,

Source§

fn cast_into(self) -> U

Performs the cast.
Source§

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

Source§

unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
Source§

impl<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

Source§

fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
Source§

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

Source§

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

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

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

Source§

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

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

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

Source§

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

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

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn from_ref(input: &T) -> T

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

impl<T> FutureExt for T

Source§

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

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

fn with_current_context(self) -> WithContext<Self>

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

impl<T> Hashable for T
where T: Hash,

Source§

type Output = u64

The type of the output value.
Source§

fn hashed(&self) -> u64

A well-distributed integer derived from the data.
Source§

impl<T> Instrument for T

Source§

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

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

fn in_current_span(self) -> Instrumented<Self>

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

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<T> IntoRequest<T> for T

Source§

fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
Source§

impl<T, U> OverrideFrom<Option<&T>> for U
where U: OverrideFrom<T>,

Source§

fn override_from(self, layer: &Option<&T>) -> U

Override the configuration represented by Self with values from the given layer.
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize = _

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

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

Initializes a with the given initializer. Read more
Source§

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

Dereferences the given pointer. Read more
Source§

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

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

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

impl<T> PreferredContainer for T
where T: Ord + Clone + 'static,

Source§

type Container = Vec<T>

The preferred container for the type.
Source§

impl<T> ProgressEventTimestamp for T
where T: Data + Debug + Any,

Source§

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

Upcasts this ProgressEventTimestamp to Any. Read more
Source§

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

Returns the name of the concrete type of this object. Read more
Source§

impl<P, R> ProtoType<R> for P
where R: RustType<P>,

Source§

impl<T> Refines<T> for T
where T: Timestamp,

Source§

fn to_inner(other: T) -> T

Converts the outer timestamp to an inner timestamp.
Source§

fn to_outer(self) -> T

Converts the inner timestamp to an outer timestamp.
Source§

fn summarize(path: <T as Timestamp>::Summary) -> <T as Timestamp>::Summary

Summarizes an inner path summary as an outer path summary. Read more
Source§

impl<T> Same for T

Source§

type Output = T

Should always be Self
Source§

impl<'a, S, T> Semigroup<&'a S> for T
where T: Semigroup<S>,

Source§

fn plus_equals(&mut self, rhs: &&'a S)

The method of std::ops::AddAssign, for types that do not implement AddAssign.
Source§

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

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

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

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

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

impl<T> ToString for T
where T: Display + ?Sized,

Source§

default fn to_string(&self) -> String

Converts the given value to a String. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

fn vzip(self) -> V

Source§

impl<T> WithSubscriber for T

Source§

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
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

Source§

impl<T> Data for T
where T: Clone + 'static,

Source§

impl<T> Data for T
where T: Send + Sync + Any + Serialize + for<'a> Deserialize<'a> + 'static,

Source§

impl<T> Data for T
where T: Data + Ord + Debug,

Source§

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

Source§

impl<T> ExchangeData for T
where T: Data + Data,

Source§

impl<T> ExchangeData for T
where T: ExchangeData + Ord + Debug,

Source§

impl<T> Index for T
where T: Copy + Serialize + for<'a> Deserialize<'a>,

Source§

impl<T> Sequence for T
where T: Eq + Hash,