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https://issues.apache.org/jira/browse/SPARK-28107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-28107:
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    Assignee:     (was: Apache Spark)

> Interval type conversion syntax support
> ---------------------------------------
>
>                 Key: SPARK-28107
>                 URL: https://issues.apache.org/jira/browse/SPARK-28107
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Zhu, Lipeng
>            Priority: Major
>
> According to the 03 ANSI SQL standard, for the interval type conversion. 
> SparkSQL now can only support 
>  * Interval year to month
>  * Interval day to second
>  * Interval hour to second
> There are some other syntax which are both supported in PostgreSQL and 03 
> ANSI SQL.
>  * Interval day to hour
>  * Interval day to minute
>  * Interval hour to minute
>  * Interval minute to second



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