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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5339) Add support for compound keys to importtsv
Date Mon, 12 Aug 2013 02:30:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13736500#comment-13736500

Harsh J commented on HBASE-5339:

While this is easy enough to implement, I think we're over-complicating the tool. The next
demand could be MD5()-ing a part, etc..

We should hand this off to Pig/Hive by adding bulkload support to them. They already do CSV
well enough. For Pig I'd once filed https://issues.apache.org/jira/browse/PIG-2921. We could
file a similar one for Hive.
> Add support for compound keys to importtsv
> ------------------------------------------
>                 Key: HBASE-5339
>                 URL: https://issues.apache.org/jira/browse/HBASE-5339
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>            Reporter: Lars George
>            Priority: Trivial
> Add support that you can combine some columns from the TSV with either a given separator,
no separator, or with a custom row key generator class. Syntax could be:
> {code}
> -Dimporttsv.columns=HBASE_ROW_KEY_1,HBASE_ROW_KEY_2,cf1:col1,cf2:col3,HBASE_ROW_KEY_3
> -Dimporttsv.rowkey.separator="-"
> {code}
> Another option of course is using the custom mapper class and handle this there, but
this also seems like a nice to have option, probably often covering the 80% this sort of thing
is needed.

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