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.
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