Timo Walther created FLINK-3489:
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Summary: Refactor Table API before merging into master
Key: FLINK-3489
URL: https://issues.apache.org/jira/browse/FLINK-3489
Project: Flink
Issue Type: Sub-task
Components: Table API
Reporter: Timo Walther
Before we merge the `tableOnCalcite` branch back into master, we should do some
package/class refactoring. Here are some ideas:
- Move class {{TreeNode}} into {{expressions}} or its methods directly into
{{Expression}}.
- Remove the {{org.apache.flink.api.table.trees}} package.
- Rename {{org.apache.flink.api.table.typeinfo}} to {{typeutils}} to be in sync
with other Flink modules.
- Move {{TypeConverter}} to {{typeutils}}
- Remove {{ExpressionException}} it is currently only used by {{typeInfo()}} of
{{Expression}}
- Remove {{typeInfo()}} of {{Expression}} and subclasses. It is not used.
- Add `ExecutionEnvironment` as parameter of `TableEnvironment` (necessary for
Table API specific input formats) in order to not break the API in future?
Feel free to propose other changes.
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