Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/14118#discussion_r75302012
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala ---
@@ -370,7 +370,8 @@ class DataFrameReader private[sql](sparkSession:
SparkSession) extends Logging {
* from values being read should be skipped.</li>
* <li>`ignoreTrailingWhiteSpace` (default `false`): defines whether or
not trailing
* whitespaces from values being read should be skipped.</li>
- * <li>`nullValue` (default empty string): sets the string
representation of a null value.</li>
+ * <li>`nullValue` (default empty string): sets the string
representation of a null value. Since
--- End diff --
BTW, there would be the same documentation in `readwriter.py` and
`DataStreamReader`. I guess we should fix them too.
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