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https://issues.apache.org/jira/browse/HIVE-9050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14983555#comment-14983555
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Takahiko Saito commented on HIVE-9050:
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I tried with hive-0.14.0 and the issue was not reproduced, either.
> NULL values for empty strings when joining with ORC table
> ---------------------------------------------------------
>
> Key: HIVE-9050
> URL: https://issues.apache.org/jira/browse/HIVE-9050
> Project: Hive
> Issue Type: Bug
> Components: SQL
> Affects Versions: 0.13.0
> Environment: CentOS release 6.4 (Final), Hortonworks 2.1, Tez
> Hive 0.13.0.2.1.3.0-563
> Subversion
> git://ip-10-0-0-91/grid/0/jenkins/workspace/BIGTOP-HDP_RPM_REPO-baikal-GA-centos6/bigtop/build/hive/rpm/BUILD/h
> ive-0.13.0.2.1.3.0 -r a738a76c72d6d9dd304691faada57a94429256bc
> Compiled by jenkins on Thu Jun 26 18:28:50 EDT 2014
> From source with checksum 4dbd99dd254f0c521ad8ab072045325d
> Reporter: Usein Faradzhev
>
> When ORC table contains an empty strings and the SQL query contains at least
> one join a hive returns NULL instead of empty values.
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