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From "Xiao Li (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-29383) Support the optional prefix `@` in interval strings
Date Sun, 01 Dec 2019 23:56:05 GMT

    [ https://issues.apache.org/jira/browse/SPARK-29383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16985724#comment-16985724
] 

Xiao Li commented on SPARK-29383:
---------------------------------

How about the other systems?

> Support the optional prefix `@` in interval strings
> ---------------------------------------------------
>
>                 Key: SPARK-29383
>                 URL: https://issues.apache.org/jira/browse/SPARK-29383
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Maxim Gekk
>            Priority: Major
>
> PostgreSQL allows `@` at the beginning and `ago` at the end of interval strings:
> {code}
> maxim=# select interval '@ 14 seconds';
>  interval 
> ----------
>  00:00:14
> {code}
> See https://www.postgresql.org/docs/current/datatype-datetime.html#DATATYPE-INTERVAL-INPUT



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