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From "Yash Sharma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-1141) ISNUMERIC should be implemented as a SQL function
Date Tue, 05 Aug 2014 21:57:13 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yash Sharma updated DRILL-1141:
-------------------------------

    Assignee: Mehant Baid  (was: Yash Sharma)

> ISNUMERIC should be implemented as a SQL function
> -------------------------------------------------
>
>                 Key: DRILL-1141
>                 URL: https://issues.apache.org/jira/browse/DRILL-1141
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Functions - Drill
>    Affects Versions: m1
>         Environment: every environment
>            Reporter: Fabian Wilckens
>            Assignee: Mehant Baid
>            Priority: Minor
>             Fix For: 0.5.0
>
>         Attachments: DRILL-1141.patch
>
>
> Hi,
> would be great to have a ISNUMERIC function in SQL because if you want to run a count
on self-described data there should be an option to check wether the field is numeric and
therefore countable.
> if you have a CSV for example and the first line or some other lines (such as in a pagebreak
when importing) include the fieldnames and therefore text-characters.
> Would be great if a query such as: SELECT count(columns[0]) as number FROM dfs.`bla`
WHERE ISNUMERIC(columns[0])=1
> Thanks



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