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https://issues.apache.org/jira/browse/SPARK-23932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-23932:
------------------------------------
Assignee: 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
> Assignee: Apache Spark
> 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}
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