Maxim Gekk created SPARK-29390:
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Summary: Add the justify_days(), justify_hours() and
justify_interval() functions
Key: SPARK-29390
URL: https://issues.apache.org/jira/browse/SPARK-29390
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Maxim Gekk
See *Table 9.31. Date/Time Functions*
([https://www.postgresql.org/docs/12/functions-datetime.html)]
|{{justify_days(}}{{interval}}{{)}}|{{interval}}|Adjust interval so 30-day time
periods are represented as months|{{justify_days(interval '35 days')}}|{{1 mon
5 days}}|
| {{justify_hours(}}{{interval}}{{)}}|{{interval}}|Adjust interval so 24-hour
time periods are represented as days|{{justify_hours(interval '27 hours')}}|{{1
day 03:00:00}}|
| {{justify_interval(}}{{interval}}{{)}}|{{interval}}|Adjust interval using
{{justify_days}} and {{justify_hours}}, with additional sign
adjustments|{{justify_interval(interval '1 mon -1 hour')}}|{{29 days 23:00:00}}|
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