Hyoungjun Kim created TAJO-927:
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Summary: Broadcast Join with Large, Small, Large, Small tables
makes a wrong plan.
Key: TAJO-927
URL: https://issues.apache.org/jira/browse/TAJO-927
Project: Tajo
Issue Type: Bug
Reporter: Hyoungjun Kim
Assignee: Hyoungjun Kim
Priority: Minor
{code:sql}
select count(*) from large1
inner join small1 on large1_id = small1_id
left outer join large2 on large1_id = large2_id
left outer join small2 on large1_id = small2_id
{code}
Current tajo planner makes the plan as following. All large tables(large1,
large2) are scanned in a single execution block. Each table should have a
execution block.
{noformat}
|-eb_1404871198908_0000_000005
|-eb_1404871198908_0000_000004
|-eb_1404871198908_0000_000003
{noformat}
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