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https://issues.apache.org/jira/browse/DRILL-1141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yash Sharma updated DRILL-1141:
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Attachment: (was: DRILL-1141-v2.patch)
> 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: Yash Sharma
> 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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