beliefer opened a new pull request #34554: URL: https://github.com/apache/spark/pull/34554
### What changes were proposed in this pull request? Currently, the method `compileAggregates` is a member of `JDBCRDD`. But it is not reasonable, because the JDBC source knowns how to compile aggregate expressions to itself's dialect well. ### Why are the changes needed? JDBC source knowns how to compile aggregate expressions to itself's dialect well. After this PR, we can extend the pushdown of aggregate based on different dialect between different JDBC database. ### Does this PR introduce _any_ user-facing change? 'No'. Just change the inner implementation. ### How was this patch tested? Jenkins tests. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
