[][src]Crate parquet_read

Binary file to read data from a Parquet file.

Install

parquet-read can be installed using cargo:

cargo install parquet

After this parquet-read should be globally available:

parquet-read XYZ.parquet

The binary can also be built from the source code and run as follows:

cargo run --bin parquet-read XYZ.parquet

Usage

parquet-read <file-path> [num-records]

where file-path is the path to a Parquet file and num-records is the optional numeric option that allows to specify number of records to read from a file. When not provided, all records are read.

Note that parquet-read reads full file schema, no projection or filtering is applied.

For example,

parquet-read data/alltypes_plain.snappy.parquet

parquet-read data/alltypes_plain.snappy.parquet 4