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https://issues.apache.org/jira/browse/SPARK-23931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16472169#comment-16472169
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Marek Novotny commented on SPARK-23931:
---------------------------------------
Ok. Good luck!
> 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
> 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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