Github user dongjoon-hyun commented on a diff in the pull request: https://github.com/apache/spark/pull/14638#discussion_r87878854 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala --- @@ -122,10 +126,18 @@ class HadoopTableReader( val attrsWithIndex = attributes.zipWithIndex val mutableRow = new SpecificInternalRow(attributes.map(_.dataType)) - val deserializedHadoopRDD = hadoopRDD.mapPartitions { iter => + val deserializedHadoopRDD = hadoopRDD.mapPartitionsWithIndex { (index, iter) => val hconf = broadcastedHadoopConf.value.value val deserializer = deserializerClass.newInstance() deserializer.initialize(hconf, tableDesc.getProperties) + if (skipHeaderLineCount > 0 && isTextInputFormatTable) { + val partition = hadoopRDD.partitions(index).asInstanceOf[HadoopPartition] + if (partition.inputSplit.t.asInstanceOf[FileSplit].getStart() == 0) { + for (i <- 0 until skipHeaderLineCount) { + if (iter.hasNext) iter.next() --- End diff -- Correct. I will change to use `while`.
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