[jira] [Resolved] (SPARK-23936) High-order function: map_concat(map1, map2, ..., mapN) → map

["Takuya Ueshin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-23936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Takuya Ueshin resolved SPARK-23936.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: 2.4.0

Issue resolved by pull request 21073
https://github.com/apache/spark/pull/21073

> High-order function: map_concat(map1<K, V>, map2<K, V>, ..., mapN<K, V>) → map<K,V>
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-23936
>                 URL: https://issues.apache.org/jira/browse/SPARK-23936
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Xiao Li
>            Assignee: Bruce Robbins
>            Priority: Major
>             Fix For: 2.4.0
>
>
> Ref:  https://prestodb.io/docs/current/functions/map.html
> Returns the union of all the given maps. If a key is found in multiple given maps, that key’s value in the resulting map comes from the last one of those maps.



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