Function deltalake::datafusion::parquet::column::reader::get_typed_column_reader

source · 
pub fn get_typed_column_reader<T>(
    col_reader: ColumnReader
) -> GenericColumnReader<RepetitionLevelDecoderImpl, DefinitionLevelDecoderImpl, ColumnValueDecoderImpl<T>>
where
    T: DataType,
Expand description

Gets a typed column reader for the specific type T, by “up-casting” col_reader of non-generic type to a generic column reader type ColumnReaderImpl.

Panics if actual enum value for col_reader does not match the type T.