facebook/presto — pull request #1709 by zhenxiao (2014-09-24 00:52:31+00:00)
Title: Parquet File Format Improvement

Serialize Map, List, and Struct into Json for Parquet
Access Parquet Column by index, to support Parquet Column Rename
Support Type Persuasion in Parquet
Predicate Pushdown for Parquet