HyukjinKwon commented on a change in pull request #26227:
[SPARK-29444][FOLLOWUP] add doc and python parameter for ignoreNullFields in
json generating
URL: https://github.com/apache/spark/pull/26227#discussion_r338405242
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File path: sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala
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@@ -687,6 +687,8 @@ final class DataFrameWriter[T] private[sql](ds:
Dataset[T]) {
* <li>`encoding` (by default it is not set): specifies encoding (charset)
of saved json
* files. If it is not set, the UTF-8 charset will be used. </li>
* <li>`lineSep` (default `\n`): defines the line separator that should be
used for writing.</li>
+ * <li>`ignoreNullFields` (default `true`): whether to ignore null fields in
column/struct
+ * during json generating. </li>
Review comment:
here too
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