pub type ParquetColumnIndex = Vec<Vec<Index>>;
Index for each row group of each column.
Index
column_index[row_group_number][column_number] holds the Index corresponding to column column_number of row group row_group_number.
column_index[row_group_number][column_number]
column_number
row_group_number
For example column_index[2][3] holds the Index for the forth column in the third row group of the parquet file.
column_index[2][3]
struct ParquetColumnIndex { /* private fields */ }