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https://issues.apache.org/jira/browse/HIVE-5325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13783022#comment-13783022
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Hudson commented on HIVE-5325:
------------------------------
FAILURE: Integrated in Hive-trunk-h0.21 #2370 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/2370/])
HIVE-5325 : Implement statistics providing ORC writer and reader interfaces
(Prasanth J via Ashutosh Chauhan) (hashutosh:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1528108)
*
/hive/trunk/ql/src/gen/protobuf/gen-java/org/apache/hadoop/hive/ql/io/orc/OrcProto.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/BinaryColumnStatistics.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/ColumnStatisticsImpl.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcOutputFormat.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/ReaderImpl.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/StringColumnStatistics.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/WriterImpl.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/util/JavaDataModel.java
* /hive/trunk/ql/src/protobuf/org/apache/hadoop/hive/ql/io/orc/orc_proto.proto
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcFile.java
*
/hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcNullOptimization.java
*
/hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcSerDeStats.java
* /hive/trunk/ql/src/test/resources/orc-file-dump-dictionary-threshold.out
* /hive/trunk/ql/src/test/resources/orc-file-dump.out
> Implement statistics providing ORC writer and reader interfaces
> ---------------------------------------------------------------
>
> Key: HIVE-5325
> URL: https://issues.apache.org/jira/browse/HIVE-5325
> Project: Hive
> Issue Type: New Feature
> Affects Versions: 0.13.0
> Reporter: Prasanth J
> Assignee: Prasanth J
> Labels: orcfile, statistics
> Fix For: 0.13.0
>
> Attachments: HIVE-5325.1.patch.txt, HIVE-5325.2.patch.txt,
> HIVE-5325.3.patch.txt, HIVE-5325-java-only.1.patch.txt,
> HIVE-5325-java-only.2.patch.txt, HIVE-5325-java-only.3.patch.txt
>
>
> HIVE-5324 adds new interfaces that can be implemented by ORC reader/writer to
> provide statistics. Writer provided statistics is used to update
> table/partition level statistics in metastore. Reader provided statistics can
> be used for reducer estimation, CBO etc. in the absence of metastore
> statistics.
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