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https://issues.apache.org/jira/browse/TAJO-1686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15132063#comment-15132063
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ASF GitHub Bot commented on TAJO-1686:
--------------------------------------
Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/929#discussion_r51850654
--- Diff: tajo-core/src/main/java/org/apache/tajo/worker/TajoWorker.java ---
@@ -200,6 +200,7 @@ public void serviceInit(Configuration conf) throws
Exception {
historyReader = new HistoryReader(workerContext.getWorkerName(),
this.systemConf);
FunctionLoader.loadUserDefinedFunctions(systemConf);
+ HiveFunctionLoader.loadHiveUDFs(systemConf);
--- End diff --
It seems that TajoWorker also needs to check duplicated functions as
TajoMaster. In addition, it will be better if the routine to load functions is
consistent no matter where it is called from.
> Allow Tajo to use Hive UDF
> --------------------------
>
> Key: TAJO-1686
> URL: https://issues.apache.org/jira/browse/TAJO-1686
> Project: Tajo
> Issue Type: New Feature
> Components: Function/UDF
> Reporter: Jaehwa Jung
> Assignee: Jongyoung Park
>
> Hive has been widely used in this area. Many users have maintained lots of
> big tables through Hive metastore using HiveQL and UDFs. Currently, Tajo
> provides own UDF and Hive users can implement their UDFs in Tajo. But if we
> can wrap Hive UDF in Tajo, it seems that they would be able to use Tajo
> easily for their analysis infrastructure.
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