Miroslav Holubec created DRILL-4519:
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Summary: File system directory-based partition pruning doesn't
work correctly with parquet metadata
Key: DRILL-4519
URL: https://issues.apache.org/jira/browse/DRILL-4519
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.5.0, 1.4.0
Reporter: Miroslav Holubec
We have parquet files in folders with following convention YYYY/MM/DD/HH.
Without drill's parquet metadata directory prunning works seamlessly.
{noformat}
select dir0, dir1, dir2 from hdfs.test.indexed;
dir0 = YYYY, dir1 = MM, dir2 = DD, dir3 = HH
{noformat}
After creating metadata and querying root folder, dir0 contains HH folder name
instead yearly folder name. dir1...4 are null.
{noformat}
select dir0, dir1, dir2 from hdfs.test.indexed;
dir0 = HH, dir1 = null, dir2 = null, dir3 = null
{noformat}
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