Module reader

Source
Expand description

File reader API and methods to access file metadata, row group readers to read individual column chunks, or access record iterator.

Re-exports§

pub use crate::file::serialized_reader::SerializedFileReader;
pub use crate::file::serialized_reader::SerializedPageReader;

Structs§

FilePageIterator
Implementation of page iterator for parquet file.

Traits§

ChunkReader
Generates Readers to read chunks of a Parquet data source.
FileReader
Parquet file reader API. With this, user can get metadata information about the Parquet file, can get reader for each row group, and access record iterator.
Length
Length should return the total number of bytes in the input source. It’s mainly used to read the metadata, which is at the end of the source.
RowGroupReader
Parquet row group reader API. With this, user can get metadata information about the row group, as well as readers for each individual column chunk.