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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4246) Implement predicate pushdown for ORC
Date Sat, 20 Jul 2013 19:22:48 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13714520#comment-13714520
] 

Hive QA commented on HIVE-4246:
-------------------------------



{color:red}Overall{color}: -1 no tests executed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12588764/HIVE-4246.D11415.1.patch

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/115/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/115/console

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.CleanupPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Tests failed with: NonZeroExitCodeException: Command 'bash /data/hive-ptest/working/scratch/source-prep.sh'
failed with exit status 1 and output '+ [[ -n '' ]]
+ export 'ANT_OPTS=-Xmx1g -XX:MaxPermSize=256m -Dhttp.proxyHost=localhost -Dhttp.proxyPort=3128'
+ ANT_OPTS='-Xmx1g -XX:MaxPermSize=256m -Dhttp.proxyHost=localhost -Dhttp.proxyPort=3128'
+ cd /data/hive-ptest/working/
+ tee /data/hive-ptest/logs/PreCommit-HIVE-Build-115/source-prep.txt
+ mkdir -p maven ivy
+ [[ svn = \s\v\n ]]
+ [[ -n '' ]]
+ [[ -d apache-svn-trunk-source ]]
+ [[ ! -d apache-svn-trunk-source/.svn ]]
+ [[ ! -d apache-svn-trunk-source ]]
+ cd apache-svn-trunk-source
+ svn revert -R .
++ svn status --no-ignore
++ egrep -v '^X|^Performing status on external'
++ awk '{print $2}'
+ rm -rf build hcatalog/build hcatalog/core/build hcatalog/storage-handlers/hbase/build hcatalog/server-extensions/build
hcatalog/webhcat/svr/build hcatalog/webhcat/java-client/build hcatalog/hcatalog-pig-adapter/build
common/src/gen
+ svn update
U    ql/src/gen/protobuf/gen-java/org/apache/hadoop/hive/ql/io/orc/OrcProto.java
U    ql/src/protobuf/org/apache/hadoop/hive/ql/io/orc/orc_proto.proto
U    ql/src/java/org/apache/hadoop/hive/ql/io/orc/ReaderImpl.java
U    ql/src/java/org/apache/hadoop/hive/ql/io/orc/WriterImpl.java
U    ql/src/java/org/apache/hadoop/hive/ql/io/orc/RecordReaderImpl.java
U    ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcFile.java
 U   .

Fetching external item into 'hcatalog/src/test/e2e/harness'
Updated external to revision 1505191.

Updated to revision 1505191.
+ patchCommandPath=/data/hive-ptest/working/scratch/smart-apply-patch.sh
+ patchFilePath=/data/hive-ptest/working/scratch/build.patch
+ [[ -f /data/hive-ptest/working/scratch/build.patch ]]
+ chmod +x /data/hive-ptest/working/scratch/smart-apply-patch.sh
+ /data/hive-ptest/working/scratch/smart-apply-patch.sh /data/hive-ptest/working/scratch/build.patch
The patch does not appear to apply with p0 to p2
+ exit 1
'
{noformat}

This message is automatically generated.
                
> Implement predicate pushdown for ORC
> ------------------------------------
>
>                 Key: HIVE-4246
>                 URL: https://issues.apache.org/jira/browse/HIVE-4246
>             Project: Hive
>          Issue Type: New Feature
>          Components: File Formats
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: HIVE-4246.D11415.1.patch
>
>
> By using the push down predicates from the table scan operator, ORC can skip over 10,000
rows at a time that won't satisfy the predicate. This will help a lot, especially if the file
is sorted by the column that is used in the predicate.

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