Struct BCFConfig

pub struct BCFConfig {
    pub object_store: Arc<dyn ObjectStore>,
    pub batch_size: usize,
    pub file_schema: Arc<Schema>,
    pub projection: Option<Vec<usize>>,
}

Configuration for a BCF datasource.

Fields

object_store: Arc<dyn ObjectStore>

The object store to use for reading BCF files.

batch_size: usize

The number of records to read at a time.

file_schema: Arc<Schema>

The file schema to use.

projection: Option<Vec<usize>>

Any projections to apply to the resulting batches.

Implementations

impl BCFConfig

pub fn new(object_store: Arc<dyn ObjectStore>, file_schema: SchemaRef) -> Self

Create a new BCF configuration.

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

Set the batch size.

pub fn with_projection(self, projection: Vec<usize>) -> Self

Set the projection.

pub fn with_some_projection(self, projection: Option<Vec<usize>>) -> Self

Set the projection from an optional vector.