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https://issues.apache.org/jira/browse/HIVE-417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892947#action_12892947
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He Yongqiang commented on HIVE-417:
-----------------------------------
IOContext is just a container, HiveContextAwareRecordReader is responsible for
filling it with actual values.
> 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, hive.indexing.11.patch, idx2.png,
> indexing_with_ql_rewrites_trunk_953221.patch
>
>
> Implement indexing on Hive so that lookup and range queries are efficient.
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