Maxim Gekk created SPARK-29369:
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Summary: Accept strings without `interval` prefix in casting to
intervals
Key: SPARK-29369
URL: https://issues.apache.org/jira/browse/SPARK-29369
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Maxim Gekk
PostgreSQL allows strings without the `interval` prefix while casting a string
to an interval:
{code}
maxim=# select cast('1 day' as interval);
interval
----------
1 day
(1 row)
maxim=# select interval '1 microsecond';
interval
-----------------
00:00:00.000001
(1 row)
{code}
See
https://www.postgresql.org/docs/current/datatype-datetime.html#DATATYPE-INTERVAL-INPUT
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