mito2::sst::parquet::reader

Type Alias RowGroupReader

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

RowGroupReader that reads from [FileRange].

Aliased Type§

struct RowGroupReader {
    context: Arc<FileRangeContext>,
    reader: ParquetRecordBatchReader,
    batches: VecDeque<Batch>,
    metrics: ReaderMetrics,
}

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.