GitHub user amansinha100 opened a pull request: https://github.com/apache/drill/pull/519
DRILL-4530: Optimize partition pruning with metadata caching for the ⦠â¦single partition case. - Enhance PruneScanRule to detect single partitions based on referenced dirs in the filter. - Keep a new status of EXPANDED_PARTIAL for FileSelection. - Create separate .directories metadata file to prune directories first before files. - Introduce cacheFileRoot attribute to keep track of the parent directory of the cache file after partition pruning. You can merge this pull request into a Git repository by running: $ git pull https://github.com/amansinha100/incubator-drill DRILL-4530-1 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/drill/pull/519.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #519 ---- commit 9c9687e804fa05c8f4b7b065738c458cb88bf5c4 Author: Aman Sinha <asi...@maprtech.com> Date: 2016-03-25T19:55:59Z DRILL-4530: Optimize partition pruning with metadata caching for the single partition case. - Enhance PruneScanRule to detect single partitions based on referenced dirs in the filter. - Keep a new status of EXPANDED_PARTIAL for FileSelection. - Create separate .directories metadata file to prune directories first before files. - Introduce cacheFileRoot attribute to keep track of the parent directory of the cache file after partition pruning. ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---