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From "Mark Grover (JIRA)" <>
Subject [jira] [Commented] (HIVE-3554) Hive List Bucketing - Query logic
Date Fri, 02 Nov 2012 14:37:12 GMT


Mark Grover commented on HIVE-3554:

Thanks for the clarifications and the patch, Tim!

> Hive List Bucketing - Query logic
> ---------------------------------
>                 Key: HIVE-3554
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>    Affects Versions: 0.10.0
>            Reporter: Gang Tim Liu
>            Assignee: Gang Tim Liu
>         Attachments: HIVE-3554.patch.1, HIVE-3554.patch.10, HIVE-3554.patch.11, HIVE-3554.patch.12,
HIVE-3554.patch.2, HIVE-3554.patch.3, HIVE-3554.patch.4, HIVE-3554.patch.5, HIVE-3554.patch.7,
HIVE-3554.patch.8, HIVE-3554.patch.9
> This is part of efforts for list bucketing feature:
> This patch includes:
> 1. Query logic: hive chooses right sub-directory instead of partition directory.
> 2. alter table grammar which is required to support query logic
> This patch doesn't include list bucketing DML. Main reasons:
> 1. risk. w/o DML, this patch won't impact any existing hive regression features since
no touch on any data manipulation so that very low risk.
> 2. manageability. w/ DML, patch is getting bigger and hard to review. Removing DML, it's
easy to review.
> We still disable hive feature by default since DML is not in yet.
> DML will be in follow-up patch. 

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