Re: orc backward compatility

2014-01-06 Thread Prasanth Jayachandran
Yes. ORC reader is backward compatible. ORC footer has version information to decide which readers to use. Thanks Prasanth Jayachandran On Jan 7, 2014, at 5:20 AM, Tongjie Chen wrote: > > If we use ORC in hive 0.11 and later upgrade to hive 0.12 or 0.13, ORC > should be backward compatible,

orc backward compatility

2014-01-06 Thread Tongjie Chen
If we use ORC in hive 0.11 and later upgrade to hive 0.12 or 0.13, ORC should be backward compatible, rigth? I am assuming so , just would like to get confirmed here. Thanks, Tongjie