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https://issues.apache.org/jira/browse/HIVE-3554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-3554 started by Gang Tim Liu.
> Hive List Bucketing - Query logic
> ---------------------------------
>
> Key: HIVE-3554
> URL: https://issues.apache.org/jira/browse/HIVE-3554
> Project: Hive
> Issue Type: New Feature
> Reporter: Gang Tim Liu
> Assignee: Gang Tim Liu
> Attachments: HIVE-3554.patch.1, HIVE-3554.patch.2, HIVE-3554.patch.3
>
>
> This is part of efforts for list bucketing feature:
> https://cwiki.apache.org/Hive/listbucketing.html
> 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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