Hi, Andrew, Partition pruning for ORC is not addressed in PIG-3558. We will need to do partition pruning for both ORC and Parquet in a new ticket. Curently there is no interface to deal with this kind of pushdown (LoadMetadata.setPartitionFilter push the filter to loader, but remove the filter statement, for ORC/Parquet, filter is a hint, and we need to do the filter again in Pig even it is pushed to loader), we will need to define a new interface for that. You are welcome to initiate the work. I know Aniket is also interested in doing that, so be sure the talk with him about this work.
Thanks, Daniel On Mon, Feb 10, 2014 at 11:42 AM, Andrew Musselman <[email protected]> wrote: > I had a chat with a couple people last week about a feature request for > Pig: in a "where" or "filter" clause, when loading an ORC file, to skip > directly to the right offset instead of scanning the whole file. > > I found this one to add loading and storing of ORC files: > https://issues.apache.org/jira/browse/PIG-3558 > > But is there a ticket for what I'm asking about? Seems like a good > improvement, and I'd be happy to take it on if I can. > > Best > Andrew -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
