Type Alias ReadResult

type ReadResult<T> = Result<(ReaderFactory<T>, Option<ParquetRecordBatchReader>)>;

Returns a ReaderFactory and an optional ParquetRecordBatchReader for the next row group

Note: If all rows are filtered out in the row group (e.g by filters, limit or offset), returns None for the reader.

Aliased Type

enum ReadResult<T> {
    Ok((ReaderFactory<T>, Option<ParquetRecordBatchReader>)),
    Err(ParquetError),
}

Variants

Ok((ReaderFactory<T>, Option<ParquetRecordBatchReader>))

Contains the success value

Err(ParquetError)

Contains the error value