Struct eventsourced_postgres::PostgresSnapshotStore

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pub struct PostgresSnapshotStore<I> { /* private fields */ }
Expand description

A SnapshotStore implementation based on PostgreSQL.

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impl<I> PostgresSnapshotStore<I>

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pub async fn new(config: Config) -> Result<Self, Error>

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impl<I: Clone> Clone for PostgresSnapshotStore<I>

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fn clone(&self) -> PostgresSnapshotStore<I>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<I> Debug for PostgresSnapshotStore<I>

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

Formats the value using the given formatter. Read more
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impl<I> SnapshotStore for PostgresSnapshotStore<I>
where I: Debug + Clone + ToSql + Send + Sync + 'static,

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type Id = I

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type Error = Error

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async fn save<S, ToBytes, ToBytesError>( &mut self, id: &Self::Id, seq_no: NonZeroU64, state: &S, to_bytes: &ToBytes ) -> Result<(), Self::Error>
where S: Send, ToBytes: Fn(&S) -> Result<Bytes, ToBytesError> + Sync, ToBytesError: StdError + Send + Sync + 'static,

Save the given snapshot state for the given entity ID and sequence number.
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async fn load<S, FromBytes, FromBytesError>( &self, id: &Self::Id, from_bytes: FromBytes ) -> Result<Option<Snapshot<S>>, Self::Error>
where FromBytes: Fn(Bytes) -> Result<S, FromBytesError> + Send, FromBytesError: StdError + Send + Sync + 'static,

Find and possibly load the Snapshot for the given entity ID.

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<Choices> CoproductSubsetter<CNil, HNil> for Choices

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type Remainder = Choices

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fn subset( self ) -> Result<CNil, <Choices as CoproductSubsetter<CNil, HNil>>::Remainder>

Extract a subset of the possible types in a coproduct (or get the remaining possibilities) Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T, U, I> LiftInto<U, I> for T
where U: LiftFrom<T, I>,

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fn lift_into(self) -> U

Performs the indexed conversion.
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impl<TraitVariantBlanketType> LocalSnapshotStore for TraitVariantBlanketType
where TraitVariantBlanketType: SnapshotStore + Clone + 'static,

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type Id = <TraitVariantBlanketType as SnapshotStore>::Id

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type Error = <TraitVariantBlanketType as SnapshotStore>::Error

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async fn save<S, ToBytes, ToBytesError>( &mut self, id: &<TraitVariantBlanketType as LocalSnapshotStore>::Id, seq_no: NonZero<u64>, state: &S, to_bytes: &ToBytes ) -> Result<(), <TraitVariantBlanketType as LocalSnapshotStore>::Error>
where S: Send + Sync, ToBytes: Fn(&S) -> Result<Bytes, ToBytesError> + Sync, ToBytesError: Error + Send + Sync + 'static,

Save the given snapshot state for the given entity ID and sequence number.
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async fn load<S, FromBytes, FromBytesError>( &self, id: &<TraitVariantBlanketType as LocalSnapshotStore>::Id, from_bytes: FromBytes ) -> Result<Option<Snapshot<S>>, <TraitVariantBlanketType as LocalSnapshotStore>::Error>
where FromBytes: Fn(Bytes) -> Result<S, FromBytesError> + Send, FromBytesError: Error + Send + Sync + 'static,

Find and possibly load the Snapshot for the given entity ID.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<Source> Sculptor<HNil, HNil> for Source

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type Remainder = Source

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fn sculpt(self) -> (HNil, <Source as Sculptor<HNil, HNil>>::Remainder)

Consumes the current HList and returns an HList with the requested shape. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

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