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https://issues.apache.org/jira/browse/DRILL-5046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15927077#comment-15927077
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Rahul Challapalli commented on DRILL-5046:
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[~kkhatua] & [~bbevens] Can we have this by 1.11 release?
> 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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