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benj updated DRILL-7246: ------------------------ Description: It will be nice if it's possible to use DESCRIBE on Parquet File. Example : {code:sql} DESCRIBE dfs.tmp.`test_parquet`; +-------------------+-----------+-------------+ | COLUMN_NAME | DATA_TYPE | IS_NULLABLE | +-------------------+-----------+-------------+ | MyColumn | INT | YES | | AnotherColumn | DATE | NO | | AdditionnalColumn | VARCHAR | YES | +-------------------+-----------+-------------+ {code} And more why not propose this possibility for any file (in the case of the CSV, DATA_TYPE will be VARCHAR and IS_NULLABLE YES) - if it's a little bit useless, this would at least list the available columns. was: It will be nice if it's possible to use DESCRIBE on Parquet File. Example : {code:sql} DESCRIBE dfs.tmp.`test_parquet`; +-------------------+-----------+-------------+ | COLUMN_NAME | DATA_TYPE | IS_NULLABLE | +-------------------+-----------+-------------+ | MyColumn | INT | YES | | AnotherColumn | DATE | NO | | AdditionnalColumn | VARCHAR | YES | +-------------------+-----------+-------------+ {code} And more why not propose this possibility for any file (in the case of the CSV, DATA_TYPE will be VARCHAR and IS_NULLABLE YES) - if it's a little bit useless, this would at least list the available columns. > DESCRIBE on Parquet File > ------------------------ > > Key: DRILL-7246 > URL: https://issues.apache.org/jira/browse/DRILL-7246 > Project: Apache Drill > Issue Type: Improvement > Components: Storage - Parquet > Affects Versions: 1.16.0 > Reporter: benj > Priority: Major > > It will be nice if it's possible to use DESCRIBE on Parquet File. > Example : > {code:sql} > DESCRIBE dfs.tmp.`test_parquet`; > +-------------------+-----------+-------------+ > | COLUMN_NAME | DATA_TYPE | IS_NULLABLE | > +-------------------+-----------+-------------+ > | MyColumn | INT | YES | > | AnotherColumn | DATE | NO | > | AdditionnalColumn | VARCHAR | YES | > +-------------------+-----------+-------------+ > {code} > And more why not propose this possibility for any file (in the case of the > CSV, DATA_TYPE will be VARCHAR and IS_NULLABLE YES) - if it's a little bit > useless, this would at least list the available columns. > -- This message was sent by Atlassian Jira (v8.3.4#803005)