[jira] [Created] (KYLIN-1981) PK/FK derived will break for left join in some cases

[hongbin ma (JIRA)]

hongbin ma created KYLIN-1981:
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             Summary: PK/FK derived will break for left join in some cases
                 Key: KYLIN-1981
                 URL: https://issues.apache.org/jira/browse/KYLIN-1981
             Project: Kylin
          Issue Type: Bug
            Reporter: hongbin ma
            Assignee: hongbin ma


for left join cubes. suppose A is the FK in fact table, and B is the PK in 
lookup table. query like below will end up with "more" results

select B, count(*) from fact left join lookup group by B



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