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https://issues.apache.org/jira/browse/DRILL-4726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15526680#comment-15526680
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ASF GitHub Bot commented on DRILL-4726:
---------------------------------------
Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/574#discussion_r80647672
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/FunctionImplementationRegistry.java
---
@@ -179,14 +190,15 @@ public DrillFuncHolder
findExactMatchingDrillFunction(String name, List<MajorTyp
}
private DrillFuncHolder findExactMatchingDrillFunction(String name,
List<MajorType> argTypes, MajorType returnType, boolean retry) {
- for (DrillFuncHolder h : drillFuncRegistry.getMethods(name)) {
+ AtomicLong version = new AtomicLong();
--- End diff --
We use AtomicLong to hold local registry version, when we call
localFunctionRegistry.getMethods(name, version) we pass our AtomicLong and it's
enriched with current local version registry number. Please see
FunctionRegistryHolder.getMethods description for more details.
> 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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