MaxGekk commented on issue #27807: [WIP][SQL] Convert Catalyst's DATE/TIMESTAMP to Java Date/Timestamp via local date-time URL: https://github.com/apache/spark/pull/27807#issuecomment-595648475 @cloud-fan The rebasing cause a few issues. For example, we cannot use TimestampFormatter/DateFormatter to format java.sql.Timestamp/Date anymore: https://github.com/apache/spark/blob/1fac06c4307c8c7a5a48a50952d48ee5b9ebccb2/sql/core/src/main/scala/org/apache/spark/sql/execution/HiveResult.scala#L74 To format rebased Java Timestamp/Date instances before 1582, need to use Julian based formatter - SimpleDateFormat.
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