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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-1395) UNION ALL query fails "while setting up Foreman"
Date Sun, 04 Jan 2015 21:28:50 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jacques Nadeau updated DRILL-1395:
    Fix Version/s: 1.0.0
         Priority: Minor  (was: Major)

> UNION ALL query fails "while setting up Foreman"
> ------------------------------------------------
>                 Key: DRILL-1395
>                 URL: https://issues.apache.org/jira/browse/DRILL-1395
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 0.5.0
>            Reporter: Bob Rumsby
>            Priority: Minor
>             Fix For: 1.0.0
> The two sides of the UNION are not equivalent because one of the files has an additional
column, but Aman tells me that this should work in a schema-less environment anyway. (I was
expecting it to fail but with a more meaningful error because I am used to relational database
UNION queries where a corresponding number of columns is expected on either side of the UNION
> The query fails whether or not the LIMIT is applied. EXPLAIN for this query also fails.
> 0: jdbc:drill:> select * from `clicks/clicks.campaign.json` union all select * from
`clicks/clicks.json` limit 5;
> Query failed: Failure while setting up Foreman. DrillUnionRel#23471 [159a4852-e190-4edf-b11e-2d62db8efbd7]
> Error: exception while executing query: Failure while trying to get next result batch.

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