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https://issues.apache.org/jira/browse/HIVE-144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654891#action_12654891
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Johan Oskarsson commented on HIVE-144:
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Perhaps I'm misunderstanding, but what I meant was a release schedule similar
to what HBase uses. Meaning that once a Hadoop version is out they try to have
a new HBase version that runs on it within a month, they don't make sure it
works with any previous version of Hadoop.
Once the branch of a new version has been created no new features goes in
there, just serious bugfixes. This is also how Hadoop does it. So there would
be very few patches of bugfixes to backport to a previous version of Hive.
HBase also only supports the last two versions with new bugfixes, limiting how
far back to port fixes.
This naturally forces people to upgrade to a recent version of Hadoop to get
the latest Hive version but I don't think that's much of a drawback.
Perhaps doing it differently in the early days of the project is ok, but it
also sets a precedent that people are likely to follow further down the line.
>From the HBase wiki on the version numbering: "Going forward, new releases of
>HBase will have the same version number as the Hadoop release so there will be
>less confusion over which release of HBase works with which version of Hadoop."
> Ql java source copied to build/gen-java
> ---------------------------------------
>
> Key: HIVE-144
> URL: https://issues.apache.org/jira/browse/HIVE-144
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Build Infrastructure
> Affects Versions: 0.19.0
> Reporter: Johan Oskarsson
> Priority: Trivial
> Fix For: 0.19.0
>
>
> Since HIVE-98, the build process copies the contents of the ql/src/java
> directory to build/gen-java where the code generated from Hive.g is located.
> This makes it a bit more difficult to work on the project in Eclipse, since
> one has to add the build/gen-java folder to the project and not ql/src/java.
> This means we'll edit the ql java files in the wrong location. Adding both of
> these directories will of course result in duplicate entries.
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