Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/16669#discussion_r97201994
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CSVFileFormat.scala
---
@@ -172,21 +172,12 @@ class CSVFileFormat extends TextBasedFileFormat with
DataSourceRegister {
CSVRelation.dropHeaderLine(file, lineIterator, csvOptions)
- val csvParser = new CsvReader(csvOptions)
- val tokenizedIterator = lineIterator.filter { line =>
+ val linesWithoutHeader = lineIterator.filter { line =>
--- End diff --
It is dropped here `CSVRelation.dropHeaderLine(file, lineIterator,
csvOptions)` but it just consumes the header. Let me just leave it as a comment.
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