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From "schubert zhang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-417) Implement Indexing in Hive
Date Mon, 22 Jun 2009 18:02:07 GMT

    [ https://issues.apache.org/jira/browse/HIVE-417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722722#action_12722722
] 

schubert zhang commented on HIVE-417:
-------------------------------------

Prasad,

About yout comments at 17/May/09 08:39 AM.
>> ... So we should be able use index on (col1, col2, col3) for all the queries above.
Sorting order has no impact here since the whole index is read into memory anyways. 

If the size of index is big out of memory size, how to read whole index into memory?


> 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: 0.2.0, 0.3.0, 0.3.1, 0.4.0
>            Reporter: Prasad Chakka
>            Assignee: Yongqiang He
>         Attachments: hive-417.proto.patch
>
>
> Implement indexing on Hive so that lookup and range queries are efficient.

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