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From "Jingsong Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-11803) Improve FlinkTypeFactory for Blink
Date Mon, 04 Mar 2019 08:50:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-11803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16783121#comment-16783121
] 

Jingsong Lee commented on FLINK-11803:
--------------------------------------

I think we should use InternalType in table interaction with calcite, expressions, table execution(code
generator and operators). InternalTypes will help us simplify logical inference(Limited
types) and make physical calculations more flexible(Not bound to physical format).

But use TypeInformation in source, sink, udx, interaction with state, interaction with StreamTransformation,
these interface is TypeInformation and they are more tied to physical format.

> Improve FlinkTypeFactory for Blink
> ----------------------------------
>
>                 Key: FLINK-11803
>                 URL: https://issues.apache.org/jira/browse/FLINK-11803
>             Project: Flink
>          Issue Type: New Feature
>            Reporter: Jingsong Lee
>            Assignee: Jingsong Lee
>            Priority: Major
>
> We need change TypeInformation to InternalType.



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