[jira] [Updated] (DRILL-3988) Create a sys.functions table to expose available Drill functions

["Jacques Nadeau (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-3988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau updated DRILL-3988:
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    Labels: newbie  (was: )

> Create a sys.functions table to expose available Drill functions
> ----------------------------------------------------------------
>
>                 Key: DRILL-3988
>                 URL: https://issues.apache.org/jira/browse/DRILL-3988
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Metadata
>            Reporter: Jacques Nadeau
>              Labels: newbie
>
> Create a new sys.functions table that returns a list of all available functions.
> Key considerations: 
> - one row per name or one per argument set. I'm inclined to latter so people can use queries to get to data.
> - we need to create a delineation between user functions and internal functions and only show user functions. 'CastInt' isn't something the user should be able to see (or run).
> - should we add a description annotation that could be included in the sys.functions table?



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