2020-10-10 16:45:08 +01:00
|
|
|
# parquet-tools
|
|
|
|
|
|
2024-02-14 20:25:13 +00:00
|
|
|
> Show, inspect and manipulate Parquet file.
|
2023-11-19 21:07:13 +00:00
|
|
|
> More information: <https://github.com/apache/parquet-mr>.
|
2020-10-10 16:45:08 +01:00
|
|
|
|
|
|
|
|
- Display the content of a Parquet file:
|
|
|
|
|
|
|
|
|
|
`parquet-tools cat {{path/to/parquet}}`
|
|
|
|
|
|
|
|
|
|
- Display the first few lines of a Parquet file:
|
|
|
|
|
|
|
|
|
|
`parquet-tools head {{path/to/parquet}}`
|
|
|
|
|
|
|
|
|
|
- Print the schema of a Parquet file:
|
|
|
|
|
|
|
|
|
|
`parquet-tools schema {{path/to/parquet}}`
|
|
|
|
|
|
|
|
|
|
- Print the metadata of a Parquet file:
|
|
|
|
|
|
|
|
|
|
`parquet-tools meta {{path/to/parquet}}`
|
|
|
|
|
|
|
|
|
|
- Print the content and metadata of a Parquet file:
|
|
|
|
|
|
|
|
|
|
`parquet-tools dump {{path/to/parquet}}`
|
|
|
|
|
|
|
|
|
|
- Concatenate several Parquet files into the target one:
|
|
|
|
|
|
|
|
|
|
`parquet-tools merge {{path/to/parquet1}} {{path/to/parquet2}} {{path/to/target_parquet}}`
|
|
|
|
|
|
|
|
|
|
- Print the count of rows in a Parquet file:
|
|
|
|
|
|
|
|
|
|
`parquet-tools rowcount {{path/to/parquet}}`
|
|
|
|
|
|
|
|
|
|
- Print the column and offset indexes of a Parquet file:
|
|
|
|
|
|
|
|
|
|
`parquet-tools column-index {{path/to/parquet}}`
|
