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https://issues.apache.org/jira/browse/CALCITE-6063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ran Tao updated CALCITE-6063:
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Summary: If ARRAY subquery has ORDER BY(without LIMIT), rows are not sorted
(was: If ARRAY subquery has ORDER BY, rows are not sorted)
> If ARRAY subquery has ORDER BY(without LIMIT), rows are not sorted
> ------------------------------------------------------------------
>
> Key: CALCITE-6063
> URL: https://issues.apache.org/jira/browse/CALCITE-6063
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.35.0
> Reporter: Ran Tao
> Assignee: Ran Tao
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.37.0
>
>
> calcite support array query constructor.
> but If we run sub-query with orderby:
> {code:java}
> select array(select x from unnest(array[1,2,3]) as t(x) order by x desc);
> select array(select x from unnest(array[1,2,3]) as t(x) order by x asc);
> {code}
> they both return
> {code:java}
> +-----------+
> | EXPR$0 |
> +-----------+
> | [1, 2, 3] |
> +-----------+
> {code}
> however, we expect return *[3, 2, 1]* when use {*}order by x desc{*}.
> It seems that the *order by* not works properly in array sub-query.
> This issue is introduced by the issue
> https://issues.apache.org/jira/browse/CALCITE-2978
> However the ARRAY is not applicable in this scenario.
>
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