Ted-Jiang opened a new issue, #1749: URL: https://github.com/apache/arrow-rs/issues/1749
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** follow #1705 Goal: Index granularity - per page (used row Group). Make selective scans on both sorting & non-sorting columns efficient(maybe). No additional I/O & deserialization costs for non-selective filter. **Describe the solution you'd like** There is already store the PageIndex Index just above the footer. Store offset and length in col metadata. Using these index with `Row Alignment ` filter page without decode+decompress. - [ ] Add read options for column index based filtering - [ ] Prepare and construct index from col metadata for skipping pages at reading - [ ] implement page filtering with Row Alignment. **Describe alternatives you've considered** A clear and concise description of any alternative solutions or features you've considered. **Additional context** Add any other context or screenshots about the feature request here. -- 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]
