[jira] [Updated] (CALCITE-5127) Error when executing query with subquery in select list that uses outer column of array type

["Ruben Q L (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-5127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruben Q L updated CALCITE-5127:
-------------------------------
    Fix Version/s:     (was: 1.31.0)

> Error when executing query with subquery in select list that uses outer column of array type
> --------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-5127
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5127
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Dmitry Sysolyatin
>            Assignee: Benchao Li
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The following queries fail:
> {code}
> SELECT ARRAY(SELECT s.x) FROM (SELECT ARRAY[1,2,3] as x) s;
> SELECT ARRAY(SELECT * FROM UNNEST(s.x) y) FROM (SELECT ARRAY[1,2,3] as x) s;
> SELECT (SELECT CARDINALITY(s.x) LIMIT 1) FROM (SELECT ARRAY[1,2,3] as x) s;    
> {code}
> With exception:
> {code}
> Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.util.List
> {code}
> You can find test cases for this task in https://github.com/apache/calcite/commit/27e68ded2c3bea7d7af73dd1dc156e46fb3591a8



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