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From "Jark Wu (Jira)" <j...@apache.org>
Subject [jira] [Comment Edited] (FLINK-18539) StreamExecutionEnvironment#addSource(SourceFunction, TypeInformation) doesn't use the user defined type information
Date Tue, 14 Jul 2020 01:58:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-18539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17156450#comment-17156450
] 

Jark Wu edited comment on FLINK-18539 at 7/14/20, 1:57 AM:
-----------------------------------------------------------

- master (1.12.0): 68d83ef7bd43fbd20f51551d7216364b41ace793
- 1.11.1: 38495e7378f6df5eead9a29448e3944f2b3ecbea
- 1.10.2: TODO


was (Author: jark):
- master (1.12.0): 68d83ef7bd43fbd20f51551d7216364b41ace793
- 1.11.1: TODO
- 1.10.2: TODO

> StreamExecutionEnvironment#addSource(SourceFunction, TypeInformation) doesn't use the
user defined type information
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-18539
>                 URL: https://issues.apache.org/jira/browse/FLINK-18539
>             Project: Flink
>          Issue Type: Task
>          Components: API / DataStream
>    Affects Versions: 1.11.0
>            Reporter: Jark Wu
>            Assignee: Jark Wu
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 1.10.2, 1.12.0, 1.11.1
>
>
> {code:java}
> class MySource<T> implements SourceFunction<T>, ResultTypeQueryable<T>
{
>  TypeInformation getProducedType() {
>    return TypeExtractor.createTypeInfo(SourceFunction.class, this.getClass(), 0, null,
null);
>  } 
> }
> DataStream ds = tEnv.addSource(new MySource(), Types.ROW(Types.STRING))
> {code}
> The returned {{TypeInformation}} of {{MySource}} is {{GenericTypeInfo}}, not the user
given {{RowTypeInfo}}.
> It seems that {{StreamExecutionEnvironment#getTypeInfo}} doesn't use the user given {{typeInfo}}
in the highest priority. 



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