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From Stefán Baxter (JIRA) <j...@apache.org>
Subject [jira] [Updated] (DRILL-3508) Selecting from an empty directory in a union fails
Date Mon, 20 Jul 2015 10:47:04 GMT

     [ https://issues.apache.org/jira/browse/DRILL-3508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefán Baxter updated DRILL-3508:
---------------------------------
    Summary: Selecting from an empty directory in a union fails  (was: Selecting from an empty
directory in a union failes)

> Selecting from an empty directory in a union fails
> --------------------------------------------------
>
>                 Key: DRILL-3508
>                 URL: https://issues.apache.org/jira/browse/DRILL-3508
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 1.1.0
>            Reporter: Stefán Baxter
>            Assignee: Sean Hsuan-Yi Chu
>             Fix For: 1.2.0
>
>
> I union select where the right hand side points to an empty directory files with the
following error code:
> Error: PARSE ERROR: Index: 0, Size: 0
> [Error Id: fed7527a-9d7a-4980-80f5-ff3f0b92d49b on localhost:31010] (state=,code=0)
> We use this to merge tenant based information and sometimes there are no files on the
right hand side of the union. It would be ideal that that scenario would return an empty list
rather than an error.



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