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MemoryDataset

Struct MemoryDataset 

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pub struct MemoryDataset { /* private fields */ }
Expand description

An in-process, append-only JSON dataset.

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impl MemoryDataset

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pub fn new(name: impl Into<String>) -> Self

Creates an empty dataset with the supplied name.

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impl Dataset for MemoryDataset

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fn push_json<'life0, 'async_trait>( &'life0 self, item: Value, ) -> Pin<Box<dyn Future<Output = StorageResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Appends one raw JSON value.
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fn push_json_batch<'life0, 'async_trait>( &'life0 self, items: Vec<Value>, ) -> Pin<Box<dyn Future<Output = StorageResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Appends a batch of raw JSON values.
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fn list_raw<'life0, 'async_trait>( &'life0 self, opts: ListOptions, ) -> Pin<Box<dyn Future<Output = StorageResult<Page<Value>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Lists raw JSON values according to the supplied options.
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fn stream_raw(&self, opts: ListOptions) -> BoxStream<'_, StorageResult<Value>>

Streams raw JSON values according to the supplied options.
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fn export_json<'life0, 'life1, 'async_trait>( &'life0 self, path: &'life1 Path, ) -> Pin<Box<dyn Future<Output = StorageResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Exports the complete dataset as JSON.
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fn export_csv<'life0, 'life1, 'async_trait>( &'life0 self, path: &'life1 Path, ) -> Pin<Box<dyn Future<Output = StorageResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Exports the complete dataset as CSV.
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fn info<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = StorageResult<DatasetInfo>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns dataset metadata.

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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<D> DatasetExt for D
where D: Dataset + ?Sized,

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fn push<'life0, 'life1, 'async_trait, T>( &'life0 self, item: &'life1 T, ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, T: 'async_trait + Serialize + Send + Sync, Self: Sync + 'async_trait,

Serializes and appends one item.
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fn push_batch<'life0, 'life1, 'async_trait, T>( &'life0 self, items: &'life1 [T], ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, T: 'async_trait + Serialize + Send + Sync, Self: Sync + 'async_trait,

Serializes and appends a batch of items.
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fn list<'life0, 'async_trait, T>( &'life0 self, opts: ListOptions, ) -> Pin<Box<dyn Future<Output = Result<Page<T>, StorageError>> + Send + 'async_trait>>
where 'life0: 'async_trait, T: 'async_trait + DeserializeOwned, Self: Sync + 'async_trait,

Lists and deserializes typed items.
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fn stream<T>( &self, opts: ListOptions, ) -> Pin<Box<dyn Stream<Item = Result<T, StorageError>> + Send + '_>>
where T: DeserializeOwned + Send + 'static,

Streams and deserializes typed items.
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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> 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<T> WithSubscriber for T

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

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fn with_current_subscriber(self) -> WithDispatch<Self>

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