pub fn read_columns_indexes<R: ChunkReader>(
reader: &R,
chunks: &[ColumnChunkMetaData],
) -> Result<Vec<Index>, ParquetError>Expand description
Reads per-column Index for all columns of a row group by
decoding ColumnIndex .
Returns a vector of index[column_number].
Returns an empty vector if this row group does not contain a
ColumnIndex.
See Page Index Documentation for more details.