Struct StorageClientImpl

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

Clien for fetching data from I/O service

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impl StorageClientImpl

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pub fn new(id: usize, server_url: &str) -> Self

Create a StorageClient instance

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pub fn getid(&self) -> usize

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pub fn new_for_test( id: usize, map: HashMap<TableId, String>, server_url: &str, use_local_cache: bool, ) -> Self

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pub fn local_cache_path() -> String

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pub async fn read_entire_table( &mut self, table: TableId, request_id: usize, ) -> Result<Receiver<RecordBatch>>

Fetch all data of a table, call get_path() to get the file name that stores the table

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pub async fn read_entire_table_sync( &mut self, table: TableId, request_id: usize, ) -> Result<Vec<RecordBatch>>

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pub async fn entire_columns( &self, table: TableId, columns: Vec<ColumnId>, ) -> Result<Receiver<RecordBatch>>

Trait Implementations§

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impl StorageClient for StorageClientImpl

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fn request_data<'life0, 'async_trait>( &'life0 mut self, request: StorageRequest, ) -> Pin<Box<dyn Future<Output = Result<Receiver<RecordBatch>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns the requested data as a stream.
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fn request_data_sync<'life0, 'async_trait>( &'life0 mut self, request: StorageRequest, ) -> Pin<Box<dyn Future<Output = Result<Vec<RecordBatch>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Returns all the requested data as a whole.

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