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Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2022/06/15 10:34:00 UTC
[jira] [Assigned] (FLINK-27006) Support SingleValueAggFunction for Char data type
[ https://issues.apache.org/jira/browse/FLINK-27006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jark Wu reassigned FLINK-27006:
-------------------------------
Assignee: luoyuxia
> 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 / API, Table SQL / Planner
> Reporter: luoyuxia
> Assignee: 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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