viirya commented on a change in pull request #29862:
URL: https://github.com/apache/spark/pull/29862#discussion_r494649445
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CSVUtils.scala
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@@ -76,7 +76,7 @@ object CSVUtils {
headerNames.diff(headerNames.distinct).distinct
}
- row.zipWithIndex.map { case (value, index) =>
+ val header = row.zipWithIndex.map { case (value, index) =>
Review comment:
I think we can modify the logic here to make sure we generate
non-duplicate header in just one run?
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