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Posted to issues@flink.apache.org by "jackylau (Jira)" <ji...@apache.org> on 2023/03/27 09:35:00 UTC
[jira] [Commented] (FLINK-31621) Add ARRAY_REVERSE supported in SQL & Table API
[ https://issues.apache.org/jira/browse/FLINK-31621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17705261#comment-17705261 ]
jackylau commented on FLINK-31621:
----------------------------------
hi [~Sergey Nuyanzin] , could you please help review it?
> Add ARRAY_REVERSE supported in SQL & Table API
> ----------------------------------------------
>
> Key: FLINK-31621
> URL: https://issues.apache.org/jira/browse/FLINK-31621
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Affects Versions: 1.18.0
> Reporter: jackylau
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.18.0
>
>
> array_reverse(array) - Returns an array in reverse order.
> Syntax:
> array_reverse(array)
> Arguments:
> array: An ARRAY to be handled.
> Returns:
> Returns an array in reverse order.
> Returns null if the argument is null
> {code:sql}
> > SELECT array_reverse(array(1, 2, 2, NULL));
> NULL, 2, 2, 1{code}
> See also
> bigquery [https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-and-operators#array_reverse]
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