Run cargo build or cargo build --release to build in release mode. Some features take advantage of SSE4.2 instructions, which can be enabled by adding RUSTFLAGS="-C target-feature=+sse4.2" before the cargo build command.
Run cargo test for unit tests. To also run tests related to the binaries, use cargo test --features cli.
The following binaries are provided (use cargo install --features cli to install them):
parquet-schema for printing Parquet file schema and metadata. Usage: parquet-schema <file-path>, where file-path is the path to a Parquet file. Use -v/--verbose flag to print full metadata or schema only (when not specified only schema will be printed).
parquet-read for reading records from a Parquet file. Usage: parquet-read <file-path> [num-records], where file-path is the path to a Parquet file, and num-records is the number of records to read from a file (when not specified all records will be printed). Use -j/--json to print records in JSON lines format.
parquet-rowcount for reporting the number of records in one or more Parquet files. Usage: parquet-rowcount <file-paths>..., where <file-paths>... is a space separated list of one or more files to read.
If you see Library not loaded error, please make sure LD_LIBRARY_PATH is set properly:
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(rustc --print sysroot)/lib
Run cargo bench for benchmarks.
To build documentation, run cargo doc --no-deps --all-features. To compile and view in the browser, run cargo doc --no-deps --all-features --open.
Before submitting a pull request, run cargo fmt --all to format the change.