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From "Sergey Shelukhin (JIRA)" <>
Subject [jira] [Commented] (HIVE-9555) assorted ORC refactorings for LLAP on trunk
Date Mon, 09 Feb 2015 19:58:36 GMT


Sergey Shelukhin commented on HIVE-9555:

Added, RB still won't work

> assorted ORC refactorings for LLAP on trunk
> -------------------------------------------
>                 Key: HIVE-9555
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-9555.01.patch, HIVE-9555.02.patch, HIVE-9555.03.patch, HIVE-9555.patch
> To minimize conflicts and given that ORC is being developed rapidly on trunk, I would
like to refactor some parts of ORC "in advance" based on the changes in LLAP branch. Mostly
it concerns making parts of ORC code (esp. SARG, but also some internal methods) more modular
and easier to use from alternative codepaths. There's also significant change to how data
reading is handled - BufferChunk inherits from DiskRange; the reader receives a list of DiskRange-s
(as before), but instead of making a list of buffer chunks it replaces ranges with buffer
chunks in the original (linked) list. 

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