Edward J. Yoon commented on PIG-210:

So, I made PIG-6. BTW, I don't think PIG should be provides complex queries or 
a algebraic process library.

> Column store
> ------------
>                 Key: PIG-210
>                 URL: https://issues.apache.org/jira/browse/PIG-210
>             Project: Pig
>          Issue Type: New Feature
>          Components: data
>            Reporter: John DeTreville
> I believe that Pig stores its tables in row order, which is less efficient in 
> space and time than column order in a data-mining system. Column stores can 
> be more highly compressed, and can be read and written faster. It should be 
> possible for clients to store their tables in column order.

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