THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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it is also possible that no operations is required.
Atomicity & Data Visibility
CTAS does not provide strict atomicity, we will create the table first, the final atomicity is determined by the cleanUp implementation of TableSink.
This requires runtime module support, like the description in the implementation of batch mode.
Public API Changes
Table Environment
Support in Table API
The executeSql method will be reused
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