Maciej Szymkiewicz created SPARK-33056:
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Summary: Add mapping between external Python types and
CalendarIntervalType
Key: SPARK-33056
URL: https://issues.apache.org/jira/browse/SPARK-33056
Project: Spark
Issue Type: Sub-task
Components: PySpark, SQL
Affects Versions: 3.1.0
Reporter: Maciej Szymkiewicz
We might consider adding support for at least collecting the results of queries
containing interval types
{code:python}
spark.range(1).select(current_timestamp() - current_timestamp()).first()
{code}
and possibly a conversion in the opposite direction.
An obvious candidate would be {{datetime.timedelta}} which is mapped to
{{net.razorvine.pickle.objects.TimeDelta}}, but semantics of these and
{{CalendarInteval}} differs.
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