Maxim Gekk created SPARK-27790:
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Summary: Support SQL INTERVAL types
Key: SPARK-27790
URL: https://issues.apache.org/jira/browse/SPARK-27790
Project: Spark
Issue Type: New Feature
Components: SQL
Affects Versions: 2.4.3
Reporter: Maxim Gekk
SQL standard defines 2 interval types:
# year-month interval contains a YEAR field or a MONTH field or both
# day-time interval contains DAY, HOUR, MINUTE, and SECOND (possibly fraction
of seconds)
Need to add 2 new internal types YearMonthIntervalType and DayTimeIntervalType,
support operations defined by SQL standard as well as INTERVAL literals.
The java.time.Period and java.time.Duration can be supported as external type
for earMonthIntervalType and DayTimeIntervalType.
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