HeartSaVioR commented on a change in pull request #27025: [SPARK-26560][SQL]
Spark should be able to run Hive UDF using jar regardless of current thread
context classloader
URL: https://github.com/apache/spark/pull/27025#discussion_r361905710
##########
File path:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/SQLQuerySuite.scala
##########
@@ -2491,4 +2492,47 @@ class SQLQuerySuite extends QueryTest with SQLTestUtils
with TestHiveSingleton {
}
}
}
+
+ test("SPARK-26560 Spark should be able to run Hive UDF using jar regardless
of " +
Review comment:
Second run of query execution will fail. It succeeds on first run of query
execution, because the actual loading for jar happens on first reference (lazy
loading). CREATE FUNCTION doesn't seem to load the jar at that time.
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