Github user maropu commented on a diff in the pull request: https://github.com/apache/spark/pull/20929#discussion_r177925982 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/streaming/FileStreamSourceSuite.scala --- @@ -624,6 +624,42 @@ class FileStreamSourceSuite extends FileStreamSourceTest { } } + test("SPARK-23772 Ignore column of all null values or empty array during JSON schema inference") { --- End diff -- @mengxr This test matches your intention described in the jira? (I just want to confirm this before I brush up the code).
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