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Posted to issues@spark.apache.org by "Xiao Li (Jira)" <ji...@apache.org> on 2019/12/01 23:56:05 UTC
[jira] [Commented] (SPARK-29384) Support `ago` in interval strings
[ https://issues.apache.org/jira/browse/SPARK-29384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16985723#comment-16985723 ]
Xiao Li commented on SPARK-29384:
---------------------------------
How about the other systems?
> Support `ago` in interval strings
> ---------------------------------
>
> Key: SPARK-29384
> URL: https://issues.apache.org/jira/browse/SPARK-29384
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Maxim Gekk
> Priority: Major
>
> PostgreSQL allow to specify direction in interval string by the `ago` word:
> {code}
> maxim=# select interval '@ 1 year 2 months 3 days 14 seconds ago';
> interval
> ------------------------------------
> -1 years -2 mons -3 days -00:00:14
> {code}
> See https://www.postgresql.org/docs/current/datatype-datetime.html#DATATYPE-INTERVAL-INPUT
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