Xikui Wang created ASTERIXDB-2403:
-------------------------------------
Summary: Group-by can produce empty array result
Key: ASTERIXDB-2403
URL: https://issues.apache.org/jira/browse/ASTERIXDB-2403
Project: Apache AsterixDB
Issue Type: Bug
Reporter: Xikui Wang
Following query can produce a empty list. If we put this query into a sub-query
and insert it into dataset with auuid, this can cause a meaningless record.
[code]
drop dataverse test if exists;
create dataverse test;
use test;
create type testType as open {
id : int64
};
create dataset testDataset(testType) primary key id;
use test;
let val1=(select country, count(*) from testDataset group by country)
select val1;
[code]
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