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Posted to issues@flink.apache.org by "tartarus (Jira)" <ji...@apache.org> on 2022/03/03 08:33:00 UTC

[jira] [Commented] (FLINK-26460) Fix Unsupported type when convertTypeToSpec: MAP

    [ https://issues.apache.org/jira/browse/FLINK-26460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17500583#comment-17500583 ] 

tartarus commented on FLINK-26460:
----------------------------------

[~jark]   please assign it to me, thanks

> Fix Unsupported type when convertTypeToSpec: MAP
> ------------------------------------------------
>
>                 Key: FLINK-26460
>                 URL: https://issues.apache.org/jira/browse/FLINK-26460
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Planner
>    Affects Versions: 1.13.1, 1.15.0
>            Reporter: tartarus
>            Priority: Major
>
> {code:java}
> CREATE TABLE zm_test (
>   `a` BIGINT,
>   `m` MAP<STRING,BIGINT>
> );
> {code}
> if we insert into zm_test use
> {code:java}
> INSERT INTO appendSink(`a`) SELECT `a` FROM MyTable;
> {code}
> then will throw Exception
> {code:java}
> Unsupported type when convertTypeToSpec: MAP
> {code}
> we must use
> {code:java}
> INSERT INTO appendSink SELECT `a`, cast(null AS MAP<STRING,BIGINT>) FROM MyTable;
> {code}



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