Hi tison,

>1. Will TypeInformation be deprecated and we use DataType as type system
everywhere?
AFAIK, runtime will still supports TypeInformation, while table module
supports DataType

> 2. Schema in Table API currently support only TypeInformation to register
a field, shall we support
the DataType way as well?
Schema also supports DataType since FLINK-14645[1]

[1] https://issues.apache.org/jira/browse/FLINK-14645

Best,
Godfrey

tison <wander4...@gmail.com> 于2020年4月17日周五 下午2:14写道:

> Hi,
>
> I notice that our type system has two branches. One  is TypeInformation
> while the other is
> DataType. It is said that Table API will use DataType but there are
> several questions about
> this statement:
>
> 1. Will TypeInformation be deprecated and we use DataType as type system
> everywhere?
> 2. Schema in Table API currently support only TypeInformation to register
> a field, shall we support
> the DataType way as well?
>
> Best,
> tison.
>

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