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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