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-534487370 > changing semantic of already exposed CalendarInterval in any ways. What do you mean by "already exposed"? `CalendarInterval` is the internal data representation of interval type, like long for timestamp type and int for date type. Unless this PR is merged, `CalendarInterval` is not exposed like `UTF8String`. What I'm against here is exposing the interval data representation with a semantic that is spark specific, i.e. does not follow SQL standard/pgsql/parquet/...
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