foxtail463 opened a new pull request, #66000: URL: https://github.com/apache/doris/pull/66000
Problem Summary: Parquet column readers eagerly parsed the first page during initialization, causing unnecessary page-header reads and dictionary decoding for columns later eliminated by lazy filtering. Solution: Defer dictionary probing until dictionary values or page data are actually needed, while preserving correct sequential and offset-index page advancement. -- 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]
