pub fn _read_columns_indexes<R>(
reader: &mut R,
chunks: &[ColumnChunkMetaData]
) -> Result<Vec<Box<dyn Index + 'static, Global>, Global>, Error> where
R: Read + Seek,
Available on crate feature
io_parquet
only.Expand description
Reads the column indexes of all ColumnChunkMetaData
and deserializes them into Index
.
Returns an empty vector if indexes are not available