benj created DRILL-6940:
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Summary: CTAS partition parquet file with non existant columns
Key: DRILL-6940
URL: https://issues.apache.org/jira/browse/DRILL-6940
Project: Apache Drill
Issue Type: Improvement
Components: Metadata, Storage - Parquet
Affects Versions: 1.14.0
Reporter: benj
Drill allows to create parquet files with partition and metadata that allow
potential pruning.
Currently the "PARTITION BY" can only apply on present-column.
It will be useful to have the possibility to allow PARTITION BY on "non-present
data" or "computed data"
Examples :
* I have a,b and c, and I want to put only "b" and "c" in the parquet but
partition on "a"
* I have a,b and c, and I want to put "a", "b" and "c" in the parquet and
partition NOT on a but on myfct(a)
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