beliefer opened a new pull request #35768: URL: https://github.com/apache/spark/pull/35768
### What changes were proposed in this pull request? Currently, Spark DS V2 could push down filters into JDBC source. However, only the most basic form of filter is supported. On the other hand, some JDBC source could not compile the filters by themselves way. This PR reactor the framework so as JDBC dialect could compile expression by self way. First, The framework translate catalyst expressions to DS V2 filters. Second, The JDBC dialect could compile DS V2 filters to different SQL syntax. ### Why are the changes needed? Make the framework be more common use. ### Does this PR introduce _any_ user-facing change? 'No'. The feature is not released. ### How was this patch tested? Exists 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]
