Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22676#discussion_r223593701
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/UnivocityParser.scala
---
@@ -273,44 +274,47 @@ private[csv] object UnivocityParser {
inputStream: InputStream,
shouldDropHeader: Boolean,
tokenizer: CsvParser): Iterator[Array[String]] = {
- convertStream(inputStream, shouldDropHeader, tokenizer)(tokens =>
tokens)
+ val handleHeader: () => Unit =
+ () => if (shouldDropHeader) tokenizer.parseNext
--- End diff --
This is used in schema inference path, where we don't check header. Here
only it drops the header.
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