Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/14745#discussion_r82524139
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CSVFileFormat.scala
---
@@ -57,22 +58,16 @@ class CSVFileFormat extends TextBasedFileFormat with
DataSourceRegister {
val rdd = baseRdd(sparkSession, csvOptions, paths)
val firstLine = findFirstLine(csvOptions, rdd)
val firstRow = new CsvReader(csvOptions).parseLine(firstLine)
-
- val header = if (csvOptions.headerFlag) {
- firstRow.zipWithIndex.map { case (value, index) =>
- if (value == null || value.isEmpty || value ==
csvOptions.nullValue) s"_c$index" else value
- }
- } else {
- firstRow.zipWithIndex.map { case (value, index) => s"_c$index" }
- }
+ val caseSensitive =
sparkSession.sessionState.conf.caseSensitiveAnalysis
+ val header = makeSafeHeader(firstRow, csvOptions, caseSensitive)
--- End diff --
Sure, let me fix this up.
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