lurnagao-dahua commented on PR #15211: URL: https://github.com/apache/iceberg/pull/15211#issuecomment-4004665854
Hi, term! I think it can implement lazy materialization to speed up queries. for sql like: select xxx from xxx where xxx. <img width="720" height="380" alt="image" src="https://github.com/user-attachments/assets/a5f09ce0-07c9-4f68-a5e2-3902b3a19815"; /> 1. Read the filter column, perform the filter, record the row position. 2. Set the position to Parquet FileReader. 3. Read the projection column and concatenate it with the filter column. -- 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]
