Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/17177#discussion_r105304318
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CSVOptions.scala
---
@@ -88,6 +88,7 @@ private[csv] class CSVOptions(
val quote = getChar("quote", '\"')
val escape = getChar("escape", '\\')
+ val escapeEscape = getChar("escapeEscape", quote)
--- End diff --
@ep1804, let's use `'\0'` by default as it is the default for
`setCharToEscapeQuoteEscaping` if not set according to
https://github.com/uniVocity/univocity-parsers/blob/e34a149077147de7cafcafbbaf8a4310e6297584/src/main/java/com/univocity/parsers/csv/CsvFormat.java#L160-L176
because I am worried of changing the existing behaviour for lower versions.
Maybe, it is okay for now if it is configurable.
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