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https://issues.apache.org/jira/browse/HIVE-417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714730#action_12714730
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He Yongqiang commented on HIVE-417:
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Thanks for the suggestions, Seymour.
I have also thought what your said, directly fetch the data instead of
initilize a new mr job. I will try include this, but it may be done in the
second phase(the optimize phase).
>>I'd like to treat these rows of same col values as a block and only use a
>>single index entry for this block
in the design, we indeed only use one index entry. And not only for contineous
values, we use the same index entry for all rows with the same col value.
> 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: He Yongqiang
> Attachments: hive-417.proto.patch
>
>
> Implement indexing on Hive so that lookup and range queries are efficient.
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