zhztheplayer commented on code in PR #8316:
URL: https://github.com/apache/incubator-gluten/pull/8316#discussion_r1896349642


##########
shims/spark32/src/main/scala/org/apache/spark/sql/execution/datasources/orc/OrcFileFormat.scala:
##########
@@ -90,19 +90,8 @@ class OrcFileFormat extends FileFormat with 
DataSourceRegister with Serializable
       options: Map[String, String],
       dataSchema: StructType): OutputWriterFactory = {
     val orcOptions = new OrcOptions(options, sparkSession.sessionState.conf)
-
-    val conf = job.getConfiguration
-
-    conf.set(MAPRED_OUTPUT_SCHEMA.getAttribute, 
OrcFileFormat.getQuotedSchemaString(dataSchema))
-
-    conf.set(COMPRESS.getAttribute, orcOptions.compressionCodec)
-
-    conf
-      .asInstanceOf[JobConf]
-      
.setOutputFormat(classOf[org.apache.orc.mapred.OrcOutputFormat[OrcStruct]])
-
     if ("true" == 
sparkSession.sparkContext.getLocalProperty("isNativeApplicable")) {

Review Comment:
   This might be subjective though it's a bit weird to see these Yoda 
conditions in our Scala code base. Perhaps we could invert them (in future).



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