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https://issues.apache.org/jira/browse/DRILL-3988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16639630#comment-16639630
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ASF GitHub Bot commented on DRILL-3988:
---------------------------------------

arina-ielchiieva commented on a change in pull request #1483: DRILL-3988: 
Expose Drill built-in functions & UDFs  in a system table
URL: https://github.com/apache/drill/pull/1483#discussion_r222960733
 
 

 ##########
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/FunctionImplementationRegistry.java
 ##########
 @@ -291,6 +293,10 @@ public boolean isFunctionComplexOutput(String name) {
     return false;
   }
 
+  public LocalFunctionRegistry getLocalFunctionRegistry() {
 
 Review comment:
   But it's not used in this PR. You can add getter in the PR for DRILL-6084. 
Please remove the getter from this PR then.

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> 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: Sub-task
>          Components: Metadata
>            Reporter: Jacques Nadeau
>            Assignee: Kunal Khatua
>            Priority: Major
>              Labels: doc-impacting
>             Fix For: 1.15.0
>
>
> 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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