alamb commented on issue #14554: URL: https://github.com/apache/datafusion/issues/14554#issuecomment-2660870088
> This follow the first approach in [TUM paper](https://btw-2015.informatik.uni-hamburg.de/res/proceedings/Hauptband/Wiss/Neumann-Unnesting_Arbitrary_Querie.pdf) (simple unnesting), and allow decorrelating [this simple query](https://github.com/apache/datafusion/blob/873d4178ab3c98ca6f78ef553c8e33e12dd342fb/datafusion/core/tests/sqllogictests/test_files/subquery.slt#L797) What do you think about implementing the more general approach to subquery unnesting described in that paper? I think @xudong963 mentioned he had done something similar before -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org
