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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_r77695664 --- 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. + */ + private class GenericRegistryHolder<T, U> { --- End diff -- Similarly, U is a parameter class. GenericRegistryHolder is private, so the only uses of this class are in this file. The only use in this file specifies DrillFuncHolder as the value of U. So, code can be simper by just using that class name instead of a parameter. > 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 > -- This message was sent by Atlassian JIRA (v6.3.4#6332)