ClickHouseBackend

stately_arrow::database::clickhouse

Struct ClickHouseBackend 

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

Backend implementation for ClickHouse connectors.

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impl ClickHouseBackend

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pub async fn try_new( id: impl Into<String>, name: impl Into<String>, options: &ConnectionOptions, config: Option<ClickHouseConfig>, connect: PoolOptions, ) -> Result<Self>

Create a new ClickHouseBackend.

§Errors
  • Returns an error if the connection pool cannot be created.
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pub fn metadata() -> BackendMetadata

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impl Backend for ClickHouseBackend

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fn connection(&self) -> &ConnectionMetadata

Returns metadata about this connection instance.
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fn prepare_session<'life0, 'life1, 'async_trait>( &'life0 self, session: &'life1 SessionContext, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Prepare the DataFusion session before queries run. Read more
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fn list<'life0, 'life1, 'async_trait>( &'life0 self, database: Option<&'life1 str>, ) -> Pin<Box<dyn Future<Output = Result<ListSummary>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

List tables, files, or other queryable items exposed by this connector. Read more

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