[jira] [Commented] (FLINK-10120) Support string representation for types like array

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

    [ https://issues.apache.org/jira/browse/FLINK-10120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16575957#comment-16575957 ] 

Fabian Hueske commented on FLINK-10120:
---------------------------------------

Thanks for reporting the issue, I did not fully understand the problem though.
The types that you show in the description are different and not compatible. 

Is the problem that {{TypeStringUtils.readTypeInfo()}} does not support Array types? If that is the case, could you please update the issue description to make that more clear?
Thank you, Fabian

> Support string representation for types like array
> --------------------------------------------------
>
>                 Key: FLINK-10120
>                 URL: https://issues.apache.org/jira/browse/FLINK-10120
>             Project: Flink
>          Issue Type: Improvement
>          Components: Type Serialization System
>            Reporter: buptljy
>            Priority: Minor
>
> Now we have to use row type to replace array type when we want to create a table schema or format schema with nested types. For example, we have to use
> {code:java}
> Types.ROW(
> 		new String[]{"a", "b", "c"},
> 		new TypeInformation[]{Types.STRING(), Types.INT(), Types.ROW(
> 				new String[]{"a", "b", "c"},
> 				new TypeInformation[]{Types.STRING(), Types.STRING(),Types.STRING()})}
> {code}
> instead of 
> {code:java}
> Types.ROW(
> 		new String[]{"a", "b", "c"},
> 		new TypeInformation[]{Types.STRING(), Types.INT(), BasicArrayTypeInfo.STRING_TYPE_INFO})
> {code}
> because the program will fail in TypeStringUtils.readTypeInfo.



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