srowen commented on a change in pull request #23559: [SPARK-26630][SQL] Fix
ClassCastException in TableReader while creating HadoopRDD
URL: https://github.com/apache/spark/pull/23559#discussion_r249317807
##########
File path: sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala
##########
@@ -289,15 +287,28 @@ class HadoopTableReader(
}
/**
- * Creates a HadoopRDD based on the broadcasted HiveConf and other job
properties that will be
+ * The entry of creating a RDD.
+ */
+ private def createHadoopRDD(
+ inputClassName: String, localTableDesc: TableDesc, inputPathStr:
String): RDD[Writable] = {
+ if (classOf[org.apache.hadoop.mapreduce.InputFormat[_, _]]
Review comment:
Yeah, it's not quite as simple as I thought as we have a Class not an
instance, but this works if you use .isAssignableFrom
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