Type Alias RowGroupReader 

pub(crate) type RowGroupReader = RowGroupReaderBase<Arc<FileRangeContext>>;

RowGroupReader that reads from [FileRange].

Aliased Type

pub(crate) struct RowGroupReader {
    context: Arc<FileRangeContext>,
    reader: ParquetRecordBatchReader,
    batches: VecDeque<Batch>,
    metrics: ReaderMetrics,
    override_sequence: Option<Arc<dyn Array>>,
}

Fields

context: Arc<FileRangeContext>

Context of RowGroupReader so adapts to different underlying implementation.

reader: ParquetRecordBatchReader

Inner parquet reader.

batches: VecDeque<Batch>

Buffered batches to return.

metrics: ReaderMetrics

Local scan metrics.

override_sequence: Option<Arc<dyn Array>>

Cached sequence array to override sequences.