HyukjinKwon commented on a change in pull request #32658:
URL: https://github.com/apache/spark/pull/32658#discussion_r638678476
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File path: docs/sql-data-sources-csv.md
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@@ -38,3 +38,217 @@ Spark SQL provides `spark.read().csv("file_name")` to read
a file or directory o
</div>
</div>
+
+## Data Source Option
+
+Data source options of CSV can be set via:
+* the `.option`/`.options` methods of
+ * `DataFrameReader`
+ * `DataFrameWriter`
+ * `DataStreamReader`
+ * `DataStreamWriter`
+
+<table class="table">
+ <tr><th><b>Property
Name</b></th><th><b>Default</b></th><th><b>Meaning</b></th><th><b>Scope</b></th></tr>
+ <tr>
+ <td><code>sep</code></td>
+ <td>None</td>
+ <td>Sets a separator (one or more characters) for each field and value. If
None is set, it uses the default value, <code>,</code>.</td>
+ <td>read/write</td>
+ </tr>
+ <tr>
+ <td><code>encoding</code></td>
+ <td>None</td>
+ <td>For reading, decodes the CSV files by the given encoding type. If None
is set, it uses the default value, <code>UTF-8</code>. For writing, sets the
encoding (charset) of saved csv files. If None is set, the default UTF-8
charset will be used.</td>
+ <td>read/write</td>
+ </tr>
+ <tr>
+ <td><code>quote</code></td>
+ <td>None</td>
+ <td>Sets a single character used for escaping quoted values where the
separator can be part of the value. If None is set, it uses the default value,
<code>"</code>. If you would like to turn off quotations, you need to set an
empty string. If an empty string is set, it uses <code>u0000</code> (null
character).</td>
Review comment:
You should better follow Scaladoc. `None` is only for Python
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