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https://issues.apache.org/jira/browse/DRILL-1510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14280926#comment-14280926
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Rahul Challapalli commented on DRILL-1510:
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This seems to be only happening when the hbase tables are empty
> Join does not work in Hbase
> ---------------------------
>
> Key: DRILL-1510
> URL: https://issues.apache.org/jira/browse/DRILL-1510
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Reporter: Rahul Challapalli
> Assignee: Hanifi Gunes
> Fix For: 0.8.0
>
> Attachments: error.txt, studenttab, votertab
>
>
> git.commit.id.abbrev=29dde76
> The below query which joins 2 hbase tables fails with the below error
> {code}
> select student.onecf['name'] name from student inner join voter on
> (student.onecf['name'] = voter.onecf['name']);
> Query failed: Failure while running fragment. Failure finding function that
> runtime code generation expected. Signature: compare_to(
> VARBINARY:OPTIONALINT:OPTIONAL, ) returns INT:REQUIRED
> [0ffd82e9-43ac-4a29-934f-b72fa76ddb78]
> {code}
> Attached the data and log files
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