Hyoungjun Kim created TAJO-1101:
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Summary: Broadcast join with a zero-length file table returns
wrong result data.
Key: TAJO-1101
URL: https://issues.apache.org/jira/browse/TAJO-1101
Project: Tajo
Issue Type: Bug
Reporter: Hyoungjun Kim
Assignee: Hyoungjun Kim
Priority: Blocker
If a table has several data files and some files are empty, Broadcast join with
that table returns wrong data.
{code:sql}
select * from customer_large a
left outer join nation_multifile b on a.c_nationkey = b.n_nationkey
where b.n_nationkey is null
{code}
The above query should return empty rows but return many rows with null
n_nationkey value.
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