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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2361) Column aliases cannot include dots
Date Tue, 05 May 2015 13:38:25 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jacques Nadeau updated DRILL-2361:
----------------------------------
    Fix Version/s: 1.2.0

> Column aliases cannot include dots
> ----------------------------------
>
>                 Key: DRILL-2361
>                 URL: https://issues.apache.org/jira/browse/DRILL-2361
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 0.7.0, 0.8.0
>            Reporter: Adam Gilmore
>            Assignee: Aman Sinha
>            Priority: Minor
>             Fix For: 1.2.0
>
>         Attachments: DRILL-2361.1.patch.txt, DRILL-2361.2.patch.txt
>
>
> The Drill query engine rejects column aliases for aggregates or group by fields where
the alias includes a dot.
> For example:
> {code}select count(*) as `test.field` from cp.`employee.json`;{code}
> throws an error with "Field references must be singular names."
> Having reviewed the code, I can't quite see a reason for it, and when using FieldReference.getWithQuotedRef
instead in AggPrelBase, the issue is alleviated with no visible side effects.
> I'm sure there was a reason for this code in FieldReference, but I can't seem to work
out why, and it seems entirely reasonable to allow a dot in a column alias.



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