Github user dongjoon-hyun commented on a diff in the pull request: https://github.com/apache/spark/pull/22920#discussion_r230136993 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonBenchmark.scala --- @@ -86,6 +86,7 @@ object JSONBenchmark extends SqlBasedBenchmark { spark.read .schema(schema) .json(path.getAbsolutePath) + .filter((_: Row) => true) --- End diff -- @MaxGekk . In your PR, you already show the side effect via benchmark . What I mean is both test cases are meaningful and worth to have. :) And, we need to compare both results in the future release. In any way, please create new different benchmark cases for this PR.
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