Deegue opened a new pull request #23559: [SPARK-26630][SQL] Fix ClassCastException in TableReader while creating HadoopRDD URL: https://github.com/apache/spark/pull/23559 ## What changes were proposed in this pull request? When we read a hive table and create RDDs in `TableReader`, it'll throw exception `java.lang.ClassCastException: org.apache.hadoop.mapreduce.lib.input.TextInputFormat cannot be cast to org.apache.hadoop.mapred.InputFormat` if the input format class of the table is from mapreduce package. Now we use NewHadoopRDD to deal with the new input format and keep HadoopRDD to the old one. This PR is from #23506 . ## How was this patch tested? Added a new test.
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