Parquet/parquet-mr — pull request #338 by egonina (2014-03-27 23:44:37+00:00)
Title: Added statistics to Parquet pages and rowGroups

Initial version of parquet column statistics. Note that this depends on PR #89 in parquet-format (https://github.com/Parquet/parquet-format/pull/89), as it uses the additional Statistics field in DataPageHeader.