read_columns_indexes

Function read_columns_indexes 

Source
pub fn read_columns_indexes<R: ChunkReader>(
    reader: &R,
    chunks: &[ColumnChunkMetaData],
) -> Result<Option<Vec<ColumnIndexMetaData>>, ParquetError>
👎Deprecated since 55.2.0: Use ParquetMetaDataReader instead; will be removed in 58.0.0
Expand description

Reads per-column ColumnIndexMetaData for all columns of a row group by decoding ColumnIndex .

Returns a vector of index[column_number].

Returns None if this row group does not contain a ColumnIndex.

See Page Index Documentation for more details.