Here is the corret result of the sql below: select datediff(day,now()) from test_table where day>='2018-06-01' group by datediff(day,now());
| datediff(day, now()) | +----------------------+ | -4 | | 0 | | -3 | | -1 | | -2 | 2018-06-05 skyyws 发件人：skyyws <sky...@163.com> 发送时间：2018-06-05 21:44 主题：A question about AnalysisException 收件人："dev@impala.apache.org"<dev@impala.apache.org> 抄送： Hello all, Recently, I found a probelm when I used impala to do ad-hoc analysis. When I executed the sql below: select datediff(day,now()) from test_table where day>=(now() - interval 5 days) group by datediff(day,now()); I got an exception like this: ----------------------------------------------------------------------------------------------------------------------------- Status: AnalysisException: select list expression not produced by aggregation output (missing from GROUP BY clause?): datediff(day, TIMESTAMP '2018-06-05 21:24:28.403393000') ----------------------------------------------------------------------------------------------------------------------------- and if I execute this sql: select datediff(day,now()) from test_table where day>='2018-06-01' group by datediff(day,now()); I got the correct result like this: This situation happend both on 2.10.0 and 3.0.0 version. I'm not sure it's a bug or it's just designed like this, anyone who can give me some advice? Thanks. (test_table is stored as parquet, and day is the partition column, string type.) -------------------------------------------------------------------------------- 2018-06-05 skyyws
