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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/04/30 02:33:00 UTC

[jira] [Updated] (FLINK-17420) Cannot alias Tuple and Row fields when converting DataStream to Table

     [ https://issues.apache.org/jira/browse/FLINK-17420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-17420:
-----------------------------------
    Labels: pull-request-available  (was: )

> Cannot alias Tuple and Row fields when converting DataStream to Table
> ---------------------------------------------------------------------
>
>                 Key: FLINK-17420
>                 URL: https://issues.apache.org/jira/browse/FLINK-17420
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / API
>    Affects Versions: 1.10.0
>            Reporter: Gyula Fora
>            Assignee: Leonard Xu
>            Priority: Major
>              Labels: pull-request-available
>
> It is impossible to alias Tuple and Row fields when converting DataStream to Table.
> {code:java}
> tableEnv.fromDataStream(env.fromElements(Tuple2.of("a", 1)), "f0 as name, f1 as age");
> {code}
> This leads to the following error:
> Alias 'name' is not allowed if other fields are referenced by position
> org.apache.flink.table.typeutils.FieldInfoUtils#isReferenceByPosition method
> More info: [https://lists.apache.org/thread.html/re35f37797692af4e9e0e2512dedf0f598e0cdbe1ac4820103d4273c1%40%3Cuser.flink.apache.org%3E]



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