58e42cf506
## What changes were proposed in this pull request? - Replacing `java.util.Calendar` in `DateTimeUtils. truncTimestamp` and in `DateTimeUtils.getOffsetFromLocalMillis ` by equivalent code using Java 8 API for timestamp manipulations. The reason is `java.util.Calendar` is based on the hybrid calendar (Julian+Gregorian) but *java.time* classes use Proleptic Gregorian calendar which assumes by SQL standard. - Replacing `Calendar.getInstance()` in `DateTimeUtilsSuite` by similar code in `DateTimeTestUtils` using *java.time* classes ## How was this patch tested? The changes were tested by existing suites: `DateExpressionsSuite`, `DateFunctionsSuite` and `DateTimeUtilsSuite`. Closes #23641 from MaxGekk/cleanup-date-time-utils. Authored-by: Maxim Gekk <maxim.gekk@databricks.com> Signed-off-by: Sean Owen <sean.owen@databricks.com> |
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