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https://issues.apache.org/jira/browse/HIVE-417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892946#action_12892946
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He Yongqiang commented on HIVE-417:
-----------------------------------
@Ashish
>>why is virtualcolumn class in the serde2 package?
will put it to ql.io package. I put it to serde2 package just because i thought
it maybe needed by the serde layer. Since all codes are almost done and it is
not accessed by serde,
it makes sense to move it to ql.
>>how is the file name populated
filename and block offset are all populated by record reader. filename is
populated by looking at the split path when we construct the record reader.
Offset is generated at runtime by record reader.
> 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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