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https://issues.apache.org/jira/browse/TAJO-34?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi resolved TAJO-34.
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Resolution: Fixed
Fix Version/s: 0.8-incubating
Assignee: (was: camelia_c)
Since all sub tasks are completed, I fix this issue.
> Outer Join
> ----------
>
> Key: TAJO-34
> URL: https://issues.apache.org/jira/browse/TAJO-34
> Project: Tajo
> Issue Type: New Feature
> Reporter: Hyunsik Choi
> Labels: gsoc, gsoc2013, join, mentor
> Fix For: 0.8-incubating
>
>
> h3. Background
> The current Tajo does not support outer join. The parser part for outer join
> was already implemented.
> h3. Proposal
> In this issue, we should improve LogicalPlanner/LogicalOptimizer to deal with
> outer joins. Then, we should adopt outer join to existing physical join
> operators like HashJoinExec and MergeJoinExec.
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