LuciferYang commented on code in PR #47350:
URL: https://github.com/apache/spark/pull/47350#discussion_r1677508322


##########
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetCommitterSuite.scala:
##########
@@ -116,7 +116,7 @@ class ParquetCommitterSuite extends SparkFunSuite with 
SQLTestUtils
   test("SPARK-48804: Fail fast on unloadable or invalid committers") {
     Seq("invalid", getClass.getName).foreach { committer =>
       val e = intercept[IllegalArgumentException] {
-        withSQLConf(SQLConf.PARQUET_OUTPUT_COMMITTER_CLASS.key -> committer)()
+        withSQLConf(SQLConf.PARQUET_OUTPUT_COMMITTER_CLASS.key -> 
committer)(())

Review Comment:
   Anyway, the current fix is ok for me, although this approach seems more like 
"having to define an empty function to fix a compilation warning." 
   
   Also,  I think
   ```
   withSQLConf(SQLConf.PARQUET_OUTPUT_COMMITTER_CLASS.key -> committer) {}
   ```
    is ok too.



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