ClickHouseConnectionPool

Struct ClickHouseConnectionPool 

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pub struct ClickHouseConnectionPool { /* private fields */ }
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impl ClickHouseConnectionPool

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pub fn new(identifier: impl Into<String>, pool: ArrowPool) -> Self

Create a new ClickHouse connection pool for use in DataFusion. The identifier is used in the case of federation to determine if queries can be pushed down across two pools

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pub async fn from_pool_builder( builder: ArrowConnectionPoolBuilder, ) -> Result<Self>

Create a new ClickHouse connection pool from a builder.

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

Access the underlying connection pool

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pub fn join_push_down(&self) -> JoinPushDown

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impl ClickHouseConnectionPool

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pub async fn connect(&self) -> Result<ClickHouseConnection<'_>>

Get a managed ArrowPoolConnection wrapped in a ClickHouseConnection

§Errors
  • Returns an error if the connection cannot be established.
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pub async fn connect_static(&self) -> Result<ClickHouseConnection<'static>>

Get a managed static ArrowPoolConnection wrapped in a ClickHouseConnection

§Errors
  • Returns an error if the connection cannot be established.

Trait Implementations§

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impl Clone for ClickHouseConnectionPool

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fn clone(&self) -> ClickHouseConnectionPool

Returns a duplicate 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 Debug for ClickHouseConnectionPool

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

Formats the value using the given formatter. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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