Struct datafusion::execution::context::ExecutionConfig

pub struct ExecutionConfig {
    pub concurrency: usize,
    pub batch_size: usize,
    // some fields omitted
}

Configuration options for execution context

Fields

concurrency: usize

Number of concurrent threads for query execution.

batch_size: usize

Default batch size when reading data sources

Implementations

impl ExecutionConfig

pub fn new() -> Self

Create an execution config with default setting

pub fn with_concurrency(self, n: usize) -> Self

Customize max_concurrency

pub fn with_batch_size(self, n: usize) -> Self

Customize batch size

pub fn with_query_planner(
    self,
    query_planner: Arc<dyn QueryPlanner + Send + Sync>
) -> Self

Replace the default query planner

Trait Implementations

impl Clone for ExecutionConfig

fn clone(&self) -> ExecutionConfig

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.