[jira] [Assigned] (SPARK-23932) High-order function: zip_with(array, array, function) → array

["Apache Spark (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-23932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-23932:
------------------------------------

    Assignee:     (was: Apache Spark)

> High-order function: zip_with(array<T>, array<U>, function<T, U, R>) → array<R>
> -------------------------------------------------------------------------------
>
>                 Key: SPARK-23932
>                 URL: https://issues.apache.org/jira/browse/SPARK-23932
>             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 two given arrays, element-wise, into a single array using function. Both arrays must be the same length.
> {noformat}
> SELECT zip_with(ARRAY[1, 3, 5], ARRAY['a', 'b', 'c'], (x, y) -> (y, x)); -- [ROW('a', 1), ROW('b', 3), ROW('c', 5)]
> SELECT zip_with(ARRAY[1, 2], ARRAY[3, 4], (x, y) -> x + y); -- [4, 6]
> SELECT zip_with(ARRAY['a', 'b', 'c'], ARRAY['d', 'e', 'f'], (x, y) -> concat(x, y)); -- ['ad', 'be', 'cf']
> {noformat}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org