Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/21598#discussion_r196993126 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala --- @@ -1314,6 +1314,13 @@ object SQLConf { "Other column values can be ignored during parsing even if they are malformed.") .booleanConf .createWithDefault(true) + + val LEGACY_SIZE_OF_NULL = buildConf("spark.sql.legacy.sizeOfNull") --- End diff -- Do we plan to fix other things accordingly too?
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