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https://issues.apache.org/jira/browse/HIVE-4997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13784275#comment-13784275
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Sushanth Sowmyan commented on HIVE-4997:
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Rashad, I'm afraid it's a little late for feature improvements to ship with
0.12, which is in a lockdown mode for bugfixes only.
There are two things that need to happen before this patch gets included in
0.13 :
a) The patch needs regeneration to change all references of org.apache.hcatalog
package to org.apache.hive.hcatalog package (The former package is deprecated,
and will be maintained for only one more release before removal, and is
considered frozen as of 0.11)
b) If possible, since this is a pretty big feature(in that it adds
functionality to the user-facing api), attach a design document with this patch
outlining goal, implementation and potential issues(if any) and have it
reviewed by another committer to see if that's okay. I'd suggest [~alangates]
or [~toffer] since they've looked at MultiOutputFormat earlier and can make
sure that it is consistent in design. After that, they can review the patch and
commit.
> HCatalog doesn't allow multiple input tables
> --------------------------------------------
>
> Key: HIVE-4997
> URL: https://issues.apache.org/jira/browse/HIVE-4997
> Project: Hive
> Issue Type: Improvement
> Components: HCatalog
> Affects Versions: 0.12.0
> Reporter: Daniel Intskirveli
> Priority: Minor
> Fix For: 0.12.0
>
> Attachments: HIVE-4997.1.patch
>
>
> HCatInputFormat does not allow reading from multiple hive tables in the same
> MapReduce job.
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