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

[Dmitry Sysolyatin (Jira)]

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

Dmitry Sysolyatin updated CALCITE-5127:
---------------------------------------
    Description: 
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

  was:
The following queries fail:
{code}
CalciteAssert.that()
        .query("SELECT ARRAY(SELECT s.x)\n" +
            "FROM (SELECT ARRAY[1,2,3] as x) s")
        .returnsCount(1);

    CalciteAssert.that()
        .query("SELECT ARRAY(SELECT * FROM UNNEST(s.x) y)\n" +
            "FROM (SELECT ARRAY[1,2,3] as x) s")
        .returnsCount(1);

    CalciteAssert.that()
        .query("SELECT (SELECT CARDINALITY(s.x) LIMIT 1)\n" +
            "FROM (SELECT ARRAY[1,2,3] as x) s")
        .returnsUnordered("EXPR$0=3");
{code}

With exception:
Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to 
java.util.List

You can find test cases for this task in 
https://github.com/apache/calcite/commit/27e68ded2c3bea7d7af73dd1dc156e46fb3591a8


> 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
>            Reporter: Dmitry Sysolyatin
>            Priority: Major
>
> 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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