[jira] [Closed] (FLINK-4077) Register Pojo DataSet/DataStream as Table requires alias expression.

["Fabian Hueske (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-4077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fabian Hueske closed FLINK-4077.
--------------------------------
    Resolution: Fixed

Fixed with efc344a4e2ef8ea3e0b1e4da621196e9afeb75cc

> Register Pojo DataSet/DataStream as Table requires alias expression.
> --------------------------------------------------------------------
>
>                 Key: FLINK-4077
>                 URL: https://issues.apache.org/jira/browse/FLINK-4077
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API & SQL
>    Affects Versions: 1.1.0
>            Reporter: Fabian Hueske
>            Assignee: Fabian Hueske
>             Fix For: 1.1.0
>
>
> Registering a Pojo DataSet / DataStream as Table requires alias expressions and does not work with simple field references. However, alias expressions would only be necessary if the fields of the Pojo should be renamed. 
> {code}
> DataStream<Person> persons = ...
> // DOES NOT WORK
> tEnv.registerDataStream(
>   "Persons", 
>   persons, 
>   "name, age, address");
> // DOES WORK
> tEnv.registerDataStream(
>   "Persons", 
>   persons, 
>   "name AS name, age AS age, address AS address");
> {code}
> We should also allow simple field name references in addition to alias expressions to rename fields.



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