Xinyuan Lin

After replacing an existing file with a new version, it disappears.

For example, an csv file with the following content is not supported by csv scan. | Header 1 | Header 2 | Header 3 | | ------------- | ------------- |...

This PR introduces `State to Data` and `Data to State` operators, enabling users to convert between data and state. ### New Operator Groups and Constants: * Added `STATE_GROUP` to `OperatorGroupConstants`...