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From "Apache Spark (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-27951) ANSI SQL: NTH_VALUE function
Date Fri, 01 May 2020 16:50:02 GMT

     [ https://issues.apache.org/jira/browse/SPARK-27951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-27951:
------------------------------------

    Assignee:     (was: Apache Spark)

> ANSI SQL: NTH_VALUE function
> ----------------------------
>
>                 Key: SPARK-27951
>                 URL: https://issues.apache.org/jira/browse/SPARK-27951
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Zhu, Lipeng
>            Priority: Major
>
> |{{nth_value({{value}}{{any}}, {{nth}}{{integer}})}}|{{same type as }}{{value}}|returns {{value}} evaluated
at the row that is the {{nth}} row of the window frame (counting from 1); null if no such
row|
> [https://www.postgresql.org/docs/8.4/functions-window.html]



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