Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22234#discussion_r212820281
--- Diff: python/pyspark/sql/readwriter.py ---
@@ -345,11 +345,11 @@ def text(self, paths, wholetext=False, lineSep=None):
@since(2.0)
def csv(self, path, schema=None, sep=None, encoding=None, quote=None,
escape=None,
comment=None, header=None, inferSchema=None,
ignoreLeadingWhiteSpace=None,
- ignoreTrailingWhiteSpace=None, nullValue=None, nanValue=None,
positiveInf=None,
- negativeInf=None, dateFormat=None, timestampFormat=None,
maxColumns=None,
- maxCharsPerColumn=None, maxMalformedLogPerPartition=None,
mode=None,
- columnNameOfCorruptRecord=None, multiLine=None,
charToEscapeQuoteEscaping=None,
- samplingRatio=None, enforceSchema=None):
+ ignoreTrailingWhiteSpace=None, nullValue=None,
emptyValue=None, nanValue=None,
--- End diff --
It should be put at the last; otherwise, it's going to break existing
Python app when the arguments are given positionally.
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