Rahul Challapalli created DRILL-5046:
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Summary: Add documentation for directory based partition pruning
Key: DRILL-5046
URL: https://issues.apache.org/jira/browse/DRILL-5046
Project: Apache Drill
Issue Type: Bug
Components: Documentation
Affects Versions: 1.9.0
Reporter: Rahul Challapalli
Assignee: Bridget Bevens
Drill's documentation for partition pruning should cover the below 2 features
1. Directory based partition pruning
2. Partition pruning based on auto-partitioned parquet files
The first one seems to be missing from our documentation. At the very least we
should cover
a. How we can leverage this feature to avoid full table scans
b. How this feature works in-conjunction with metadata cache pruning
c. A few examples which involve using wildcards for one of the sub-directories
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