[jira] [Updated] (FLINK-27006) Support SingleValueAggFunction for Char data type

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-27006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-27006:
-----------------------------------
    Labels: pull-request-available  (was: )

> Support SingleValueAggFunction for Char data type
> -------------------------------------------------
>
>                 Key: FLINK-27006
>                 URL: https://issues.apache.org/jira/browse/FLINK-27006
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Planner
>            Reporter: luoyuxia
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.16.0
>
>
> The exception happens when I try to running the following sql with Hive dialect:
> {code:java}
> create table tempty(c char(2));
> select * from tempty where c = (select * from tempty) ;{code}
> the exception is "SINGLE_VALUE aggregate function doesn't support type 'CHAR'."
> There missing the CharType in SingleValueAggFunction, which should be supported.



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