Override obsolete methods in flink

[hunter-cloud09]

Feature Request / Improvement

In Flink Sink, some classes are still using methods that have been abandoned in flink, such as Table Schema. I think this method should be overridden, change Table Schema to Schema, and use Schema.from Resolved Schema or Table Schema.to Schema replace

Query engine

Flink

[hunter-cloud09]

Is it better to use Schema abstraction in the first red box?