Hi Arun, Parquet being a file format, authorization is more often defined at the file system level. As another approach, In the past people have experimented with encrypting columns independently (in particular one group at linkedin: see slide 13 http://www.slideshare.net/Hadoop_Summit/taking-hadoop-to-enterprise-security-standards ).
On Sun, Feb 5, 2017 at 12:31 AM, Arun Soman <[email protected]> wrote: > How to proceed if I want to add column level authorization in parquet; > currently I am working on a project where the parquet writer writes a > single file with many columns, & I want only authorized user should be able > to read some of the columns. > -- Julien
