PersistentTable

Struct PersistentTable 

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pub struct PersistentTable<T: ShoalTable, S: ShoalStorage<T>> {
    pub partitions: HashMap<u64, Partition<T>>,
    /* private fields */
}
Expand description

A table that stores data both in memory and on disk

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§partitions: HashMap<u64, Partition<T>>

The rows in this table

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impl<T: ShoalTable, S: ShoalStorage<T>> PersistentTable<T, S>

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pub async fn new( shard_name: &str, conf: &Conf, medium_priority: TaskQueueHandle, ) -> Result<Self, ServerError>

Create a persistent shoal table

§Arguments
  • shard_name - The id of the shard that owns this table
  • conf - The Shoal config
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pub async fn handle( &mut self, meta: QueryMetadata, query: Query<T>, ) -> Option<(SocketAddr, Response<T>)>

Cast and handle a serialized query

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  • meta - The metadata for this query
  • query - The query to execute
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pub async fn flush(&mut self) -> Result<(), ServerError>

Flush all pending writes to disk

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pub async fn get_flushed( &mut self, ) -> Result<&mut Vec<(SocketAddr, Response<T>)>, ServerError>

Get all flushed response actions

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  • flushed - The flushed actions to return
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pub async fn shutdown(&mut self) -> Result<(), ServerError>

Shutdown this table

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impl<T: Debug + ShoalTable, S: Debug + ShoalStorage<T>> Debug for PersistentTable<T, S>

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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<T, S> Freeze for PersistentTable<T, S>
where S: Freeze,

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impl<T, S> RefUnwindSafe for PersistentTable<T, S>

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impl<T, S> Send for PersistentTable<T, S>
where S: Send, <T as ShoalTable>::Sort: Send, T: Send,

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impl<T, S> Sync for PersistentTable<T, S>
where S: Sync, <T as ShoalTable>::Sort: Sync, T: Sync,

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impl<T, S> Unpin for PersistentTable<T, S>
where S: Unpin, T: Unpin,

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impl<T, S> UnwindSafe for PersistentTable<T, S>

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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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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<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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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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