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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-417) Implement Indexing in Hive
Date Thu, 15 Jul 2010 22:49:58 GMT

     [ https://issues.apache.org/jira/browse/HIVE-417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Sichi updated HIVE-417:
----------------------------

    Attachment: idx.png

Attaching metastore data model diagram reverse-engineered from Yongqiang's latest patch (using
Power Architect); can be used in a design doc.  Cosmetic:  I renamed INDEXS to IDXS for consistency
with TBLS, likewise for IDX_ID and other attributes.

I marked one of the relationships between index and table as optional since we want to allow
for indexes which don't store their data structure in tabular form.  I'm not sure whether
there's something we need to do in package.jdo to make sure the corresponding key is nullable.


> Implement Indexing in Hive
> --------------------------
>
>                 Key: HIVE-417
>                 URL: https://issues.apache.org/jira/browse/HIVE-417
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Metastore, Query Processor
>    Affects Versions: 0.3.0, 0.3.1, 0.4.0, 0.6.0
>            Reporter: Prasad Chakka
>            Assignee: He Yongqiang
>         Attachments: hive-417.proto.patch, hive-417-2009-07-18.patch, hive-indexing-8-thrift-metastore-remodel.patch,
hive-indexing.3.patch, hive-indexing.5.thrift.patch, idx.png, indexing_with_ql_rewrites_trunk_953221.patch
>
>
> Implement indexing on Hive so that lookup and range queries are efficient.

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