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https://issues.apache.org/jira/browse/HIVE-4579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13736517#comment-13736517
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Hudson commented on HIVE-4579:
------------------------------
FAILURE: Integrated in Hive-trunk-hadoop2 #353 (See
[https://builds.apache.org/job/Hive-trunk-hadoop2/353/])
HIVE-4579: Create a SARG interface for RecordReaders (Owen O'Malley via Gunther
Hagleitner) (gunther:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1513029)
* /hive/trunk/ivy/libraries.properties
* /hive/trunk/ql/ivy.xml
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/sarg
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/sarg/PredicateLeaf.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/sarg/SearchArgument.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/sarg/SearchArgumentImpl.java
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/io/sarg
*
/hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/io/sarg/TestSearchArgumentImpl.java
> Create a SARG interface for RecordReaders
> -----------------------------------------
>
> Key: HIVE-4579
> URL: https://issues.apache.org/jira/browse/HIVE-4579
> Project: Hive
> Issue Type: Improvement
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.12.0
>
> Attachments: h-4579.patch, HIVE-4579.4.patch,
> HIVE-4579.D11409.1.patch, HIVE-4579.D11409.2.patch, HIVE-4579.D11409.3.patch,
> pushdown.pdf
>
>
> I think we should create a SARG (http://en.wikipedia.org/wiki/Sargable)
> interface for RecordReaders. For a first pass, I'll create an API that uses
> the value stored in hive.io.filter.expr.serialized.
> The desire is to define an simpler interface that the direct AST expression
> that is provided by hive.io.filter.expr.serialized so that the code to
> evaluate expressions can be generalized instead of put inside a particular
> RecordReader.
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