cloud-fan commented on issue #25022: [SPARK-24695][SQL] Move `CalendarInterval` to org.apache.spark.sql.types package URL: https://github.com/apache/spark/pull/25022#issuecomment-533046253 > There is unfortunately an impedance mismatch between spark's representation of an interval and the ones supported by java Yea, and this mismatch also exists between Spark and SQL standard. It's also different from parquet's interval: https://github.com/apache/parquet-format/blob/master/LogicalTypes.md#interval Shall we take a step back, and refine the interval type? @MaxGekk do you have an estimation about how hard it is?
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