[jira] [Created] (SPARK-34804) registerFunction shouldnt be logging warning message for same function being re-registered

["Sumeet Sharma (Jira)" <ji...@apache.org>]

Sumeet Sharma created SPARK-34804:
-------------------------------------

             Summary: registerFunction shouldnt be logging warning message for same function being re-registered
                 Key: SPARK-34804
                 URL: https://issues.apache.org/jira/browse/SPARK-34804
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.1.1
            Reporter: Sumeet Sharma


{code:java}
test("function registry warning") {
 implicit val ss = spark
 import ss.implicits._
 val dd = Seq((1),(2)).toDF("a")
 val dd1 = udf((i: Int) => i*2)
 (1 to 4).foreach {
   _ =>
     dd.sparkSession.udf.register("function", dd1)
     Thread.sleep(1000)
 }
 dd.withColumn("aa", expr("function(a)")).show(10)
}{code}

logs:

21/03/19 22:39:39 WARN SparkSession$Builder : Using an existing SparkSession; some spark core configurations may not take effect.

21/03/19 22:39:39 WARN SparkSession$Builder : Using an existing SparkSession; the static sql configurations will not take effect.
21/03/19 22:39:39 WARN SparkSession$Builder : Using an existing SparkSession; some spark core configurations may not take effect.
21/03/19 22:39:43 WARN SimpleFunctionRegistry : The function function replaced a previously registered function.
21/03/19 22:39:44 WARN SimpleFunctionRegistry : The function function replaced a previously registered function.
21/03/19 22:39:45 WARN SimpleFunctionRegistry : The function function replaced a previously registered function.
+---+---+
| a| aa|
+---+---+
| 1| 2|
| 2| 4|
+---+---+



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