Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21336#discussion_r188476857
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala ---
@@ -521,7 +521,7 @@ class DataFrameReader private[sql](sparkSession:
SparkSession) extends Logging {
*
* You can set the following CSV-specific options to deal with CSV files:
* <ul>
- * <li>`sep` (default `,`): sets a single character as a separator for
each
+ * <li>`sep` or `delimiter` (default `,`): sets a single character as a
separator for each
--- End diff --
`sep` is preferred and `delimiter` is not documented on purpose.
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