Module reader

Contains column reader API.

Modules

decoder 🔒

Structs

GenericColumnReader

Reads data for a given column chunk, using the provided decoders:

Enums

ColumnReader

Column reader for a Parquet type.

Functions

get_column_reader

Gets a specific column reader corresponding to column descriptor col_descr. The column reader will read from pages in col_page_reader.

get_typed_column_reader

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.

parse_v1_level 🔒

Type Aliases

ColumnReaderImpl

Typed value reader for a particular primitive column.