alamb commented on issue #12635: URL: https://github.com/apache/datafusion/issues/12635#issuecomment-2377975313
> Currently DataFusion functions are singletons plugged into the execution engine. They have no way to store and reuse buffers or compiled regular expressions, etc. here is some prior work on the precompiled regular expressions: https://github.com/apache/datafusion/issues/11146 (note compiling the regex hasn't ever shown up in any performance trace I did, probably because the cost of actually matching is so much bigger than the cost of compiling and the cost of compiling is spread over 8192 rows -- 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
