[
https://issues.apache.org/jira/browse/HIVE-2711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13253070#comment-13253070
]
Hudson commented on HIVE-2711:
------------------------------
Integrated in Hive-trunk-h0.21 #1370 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/1370/])
HIVE-2711 : Make the header of RCFile unique (Owen Omalley via Ashutosh
Chauhan) (Revision 1325442)
Result = SUCCESS
hashutosh :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1325442
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/RCFile.java
* /hive/trunk/ql/src/test/data
* /hive/trunk/ql/src/test/data/rc-file-v0.rc
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/io/TestRCFile.java
*
/hive/trunk/ql/src/test/results/clientpositive/alter_concatenate_indexed_table.q.out
* /hive/trunk/ql/src/test/results/clientpositive/alter_merge.q.out
* /hive/trunk/ql/src/test/results/clientpositive/alter_merge_stats.q.out
* /hive/trunk/ql/src/test/results/clientpositive/create_merge_compressed.q.out
* /hive/trunk/ql/src/test/results/clientpositive/ctas.q.out
* /hive/trunk/ql/src/test/results/clientpositive/partition_wise_fileformat.q.out
*
/hive/trunk/ql/src/test/results/clientpositive/partition_wise_fileformat3.q.out
* /hive/trunk/ql/src/test/results/clientpositive/sample10.q.out
> Make the header of RCFile unique
> --------------------------------
>
> Key: HIVE-2711
> URL: https://issues.apache.org/jira/browse/HIVE-2711
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.10
>
> Attachments: HIVE-2711.D2115.1.patch, HIVE-2711.D2115.2.patch,
> HIVE-2711.D2115.3.patch, HIVE-2711.D2571.1.patch, rc-file-v0.rc
>
>
> The RCFile implementation was copied from Hadoop's SequenceFile and copied
> the 'magic' string in the header. This means that you can't use the header to
> distinguish between RCFiles and SequenceFiles.
> I'd propose that we create a new header for RCFiles (RCF?) to replace the
> current SEQ. To maintain compatibility, we'll need to continue to accept the
> current 'SEQ\06' and just make new files contain the new header.
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