Github user gengliangwang commented on a diff in the pull request:
https://github.com/apache/spark/pull/21380#discussion_r189829268
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/UnivocityParser.scala
---
@@ -300,14 +302,11 @@ private[csv] object UnivocityParser {
lines
}
- val filteredLines: Iterator[String] =
- CSVUtils.filterCommentAndEmpty(linesWithoutHeader, options)
--- End diff --
We need strong evidence/test cases to make sure the current uniVocity
filtering works.
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