wangyum opened a new pull request #31393: URL: https://github.com/apache/spark/pull/31393
### What changes were proposed in this pull request? This pr make parquet vectorized reader support [column index](https://issues.apache.org/jira/browse/PARQUET-1201). ### Why are the changes needed? Improve filter performance. for example: `id = 1`, we only need to read `page-0` in `block 1`: ``` block 1: null count min max page-0 0 0 99 page-1 0 100 199 page-2 0 200 299 page-3 0 300 399 page-4 0 400 449 block 2: null count min max page-0 0 450 549 page-1 0 550 649 page-2 0 650 749 page-3 0 750 849 page-4 0 850 899 ``` ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Unit test. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
