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https://issues.apache.org/jira/browse/TAJO-345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13835754#comment-13835754
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Hudson commented on TAJO-345:
-----------------------------
SUCCESS: Integrated in Tajo-trunk-postcommit #576 (See
[https://builds.apache.org/job/Tajo-trunk-postcommit/576/])
TAJO-345: MergeScanner should support projectable storages. (jihoon)
(jihoonson:
https://git-wip-us.apache.org/repos/asf?p=incubator-tajo.git&a=commit&h=1191003ef2f20acdfa84490eb314a0e8c5d510de)
*
tajo-core/tajo-core-storage/src/main/java/org/apache/tajo/storage/MergeScanner.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/physical/SeqScanExec.java
*
tajo-core/tajo-core-storage/src/test/java/org/apache/tajo/storage/TestMergeScanner.java
* CHANGES.txt
> MergeScanner should support projectable storages
> ------------------------------------------------
>
> Key: TAJO-345
> URL: https://issues.apache.org/jira/browse/TAJO-345
> Project: Tajo
> Issue Type: Bug
> Components: storage
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Fix For: 0.8-incubating
>
> Attachments: TAJO-345.patch
>
>
> MergeScanner sequentially scans multiple fragments of the same table.
> If the table is stored as a columnar file such as RCFile, MergeScanner should
> read only target columns.
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