Parquet 格式文件,查看Schema
需要社区工具:parquet-tools-1.6.0rc3-SNAPSHOT.jar
git project: https://github.com/apache/parquet-mr/tree/master/parquet-tools?spm=5176.doc52798.2.6.H3s2kL
查看结构:
java -jar parquet-tools-1.6.0rc3-SNAPSHOT.jar schema -d activity.201711171437.0.parquet |head -n 30
查看内容:
java -jar parquet-tools-1.6.0rc3-SNAPSHOT.jar head -n 2 activity.201711171437.0.parquet