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ASF GitHub Bot commented on DRILL-4726:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/574#discussion_r77699225
--- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/DrillFunctionRegistry.java
---
@@ -218,4 +302,141 @@ private void registerOperatorsWithoutInference(DrillOperatorTable
operatorTable)
}
}
}
+
+ /**
+ * Function registry holder. Stores function implementations by jar name, function
name.
+ */
--- End diff --
Would benefit from a much clearer description of the data structure. It is clear from
code that we have maps of maps. But, what is not at all clear is what those maps MEAN: what
do they hold, what are the keys?
> Dynamic UDFs support
> --------------------
>
> Key: DRILL-4726
> URL: https://issues.apache.org/jira/browse/DRILL-4726
> Project: Apache Drill
> Issue Type: New Feature
> Affects Versions: 1.6.0
> Reporter: Arina Ielchiieva
> Assignee: Arina Ielchiieva
> Fix For: Future
>
>
> Allow register UDFs without restart of Drillbits.
> Design is described in document below:
> https://docs.google.com/document/d/1FfyJtWae5TLuyheHCfldYUpCdeIezR2RlNsrOTYyAB4/edit?usp=sharing
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