andygrove opened a new issue, #63: URL: https://github.com/apache/datafusion-java/issues/63
### Is your feature request related to a problem or challenge? I would like to be able to register custom data sources implemented in Java. This has already been implemented in Comet so we can learn from the approach there. We would need a new trait in Java to represent a data source, or possibly just implement an Iterator type. We need to extend the protobuf to be able to pass this custom source into native code. Native code would then need a data source implementation that makes JNI calls into the JVM to fetch batches. In Comet, see `ScanExec` in native code, and `CometBatchIterator` in Scala code. ### Describe the solution you'd like _No response_ ### Describe alternatives you've considered _No response_ ### Additional context _No response_ -- 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]
