[jira] [Assigned] (SPARK-23931) High-order function: zip(array1, array2[, ...]) → array

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

     [ https://issues.apache.org/jira/browse/SPARK-23931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Takuya Ueshin reassigned SPARK-23931:
-------------------------------------

    Assignee: Dylan Guedes

> High-order function: zip(array1, array2[, ...]) → array<row>
> ------------------------------------------------------------
>
>                 Key: SPARK-23931
>                 URL: https://issues.apache.org/jira/browse/SPARK-23931
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Xiao Li
>            Assignee: Dylan Guedes
>            Priority: Major
>
> Ref: https://prestodb.io/docs/current/functions/array.html
> Merges the given arrays, element-wise, into a single array of rows. The M-th element of the N-th argument will be the N-th field of the M-th output element. If the arguments have an uneven length, missing values are filled with NULL.
> {noformat}
> SELECT zip(ARRAY[1, 2], ARRAY['1b', null, '3b']); -- [ROW(1, '1b'), ROW(2, null), ROW(null, '3b')]
> {noformat}



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