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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2019/10/14 15:43:00 UTC
[jira] [Resolved] (SPARK-29369) Accept strings without `interval`
prefix in casting to intervals
[ https://issues.apache.org/jira/browse/SPARK-29369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan resolved SPARK-29369.
---------------------------------
Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 26079
[https://github.com/apache/spark/pull/26079]
> 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
> Assignee: Maxim Gekk
> Priority: Minor
> Fix For: 3.0.0
>
>
> 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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