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### What changes were proposed in this pull request? As we are not going to follow ANSI to implement year-month and day-time interval types, it is weird to compare the year-month part to the day-time part for our current implementation of interval type now. Additionally, the current ordering logic comes from PostgreSQL where the implementation of the interval is messy. And we are not aiming PostgreSQL compliance at all. THIS PR will revert https://github.com/apache/spark/pull/26681 and https://github.com/apache/spark/pull/26337 ### Why are the changes needed? make interval type more future-proofing ### Does this PR introduce any user-facing change? there are new in 3.0, so no ### How was this patch tested? existing uts shall work Closes #27262 from yaooqinn/SPARK-30551. Authored-by: Kent Yao <yaooqinn@hotmail.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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