Expand description
Contains implementations of the reader traits FileReader, RowGroupReader and PageReader Also contains implementations of the ChunkReader for files (with buffering) and byte arrays (RAM)
Structs§
- Read
Options - A collection of options for reading a Parquet file.
- Read
Options Builder - A builder for
ReadOptions. For the predicates that are added to the builder, they will be chained using ‘AND’ to filter the row groups. - Serialized
File Reader - A serialized implementation for Parquet
FileReader. - Serialized
Page Reader - A serialized implementation for Parquet
PageReader. - Serialized
RowGroup Reader - A serialized implementation for Parquet
RowGroupReader.
Type Aliases§
- Read
Group Predicate - A predicate for filtering row groups, invoked with the metadata and index
of each row group in the file. Only row groups for which the predicate
evaluates to
truewill be scanned