Struct RowGroupReaderBuilderParts 

pub(crate) struct RowGroupReaderBuilderParts {
    pub batch_size: usize,
    pub projection: ProjectionMask,
    pub fields: Option<Arc<ParquetField>>,
    pub filter: Option<RowFilter>,
    pub max_predicate_cache_size: usize,
    pub metrics: ArrowReaderMetrics,
    pub row_selection_policy: RowSelectionPolicy,
    pub buffers: PushBuffers,
}

The parts of a RowGroupReaderBuilder needed to rebuild it, recovered by RowGroupReaderBuilder::into_parts.

metadata is not included: it is a whole-file property carried alongside schema in RemainingRowGroupsParts.

Fields

batch_size: usize

projection: ProjectionMask

fields: Option<Arc<ParquetField>>

filter: Option<RowFilter>

max_predicate_cache_size: usize

metrics: ArrowReaderMetrics

row_selection_policy: RowSelectionPolicy

buffers: PushBuffers

Bytes already pushed into the decoder, carried across a rebuild so they are not re-requested.

Trait Implementations

impl Debug for RowGroupReaderBuilderParts

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

Formats the value using the given formatter.