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https://issues.apache.org/jira/browse/DRILL-3798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jinfeng Ni resolved DRILL-3798.
-------------------------------
Resolution: Duplicate
> Cannot group by the functions without ()
> ----------------------------------------
>
> Key: DRILL-3798
> URL: https://issues.apache.org/jira/browse/DRILL-3798
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Affects Versions: 1.1.0
> Reporter: Hao Zhu
> Assignee: Jinfeng Ni
>
> Drill can not group-by the function without ().
> eg:
> {code}
> SELECT CURRENT_DATE
> FROM hive.h1db.testdate
> group by CURRENT_DATE;
> Caused By (org.apache.calcite.sql.validate.SqlValidatorException) Column
> 'CURRENT_DATE' not found in any table
> {code}
> Bad ones:
> {code}
> SELECT CURRENT_TIME
> FROM hive.h1db.testdate
> group by CURRENT_TIME;
> SELECT CURRENT_TIMESTAMP
> FROM hive.h1db.testdate
> group by CURRENT_TIMESTAMP;
> SELECT LOCALTIME
> FROM hive.h1db.testdate
> group by LOCALTIME;
> SELECT LOCALTIMESTAMP
> FROM hive.h1db.testdate
> group by LOCALTIMESTAMP;
> {code}
> Good ones:
> {code}
> SELECT NOW()
> FROM hive.h1db.testdate
> group by NOW();
> SELECT TIMEOFDAY()
> FROM hive.h1db.testdate
> group by TIMEOFDAY();
> SELECT UNIX_TIMESTAMP()
> FROM hive.h1db.testdate
> group by UNIX_TIMESTAMP();
> SELECT PI()
> FROM hive.h1db.testdate
> group by PI();
> {code}
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