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https://issues.apache.org/jira/browse/HIVE-144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654986#action_12654986
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Ashish Thusoo commented on HIVE-144:
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As I mentioned, we had followed the same exact approach that Hbase before
switching to the current one and considering that there are a lot of fixes that
we are making and we want to ensure that those fixes work with all the 3
versions of hadoop, having 3 branches to check those fixes into is very
painful. The reality right now is that there are a lot of bug fixes and fixing
them in all the 3 versions at the same time is too much of an overhead. Once we
start cutting release branches, we would also follow the same methodology
(which is quite standard) in that only blocker bugs get checked into the old
branches, but right now, we have a number of those bugs which we want to get in
before we embark on creating the first release. We do need an exercise to
categorize those bugs - which I think we should do this week.
One thing we can do to alleviate some of the problems is to restrict the
preprocessing to a specific list of files (right now there is only 1 file that
needs this). That would alleviate some of the problems with eclipse till we
come up with a better solution for eclipse.
> 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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