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https://issues.apache.org/jira/browse/HIVE-12437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15009921#comment-15009921
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Siddharth Seth commented on HIVE-12437:
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+1. Looks good. If this is not expected to be hit very often - a log line
indicating no readers could be useful.
> SMB join in tez fails when one of the tables is empty
> -----------------------------------------------------
>
> Key: HIVE-12437
> URL: https://issues.apache.org/jira/browse/HIVE-12437
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: 1.0.1, 1.2.1
> Reporter: Vikram Dixit K
> Assignee: Vikram Dixit K
> Priority: Critical
> Attachments: HIVE-12437.1.patch
>
>
> It looks like a better check for empty tables is to depend on the existence
> of the record reader for the input from tez.
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