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https://issues.apache.org/jira/browse/TAJO-102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-102:
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Status: Patch Available (was: Open)
> Add AlgebraVisitor and Refactor LogicalPlanner to use the visitor
> -----------------------------------------------------------------
>
> Key: TAJO-102
> URL: https://issues.apache.org/jira/browse/TAJO-102
> Project: Tajo
> Issue Type: Improvement
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.2-incubating
>
> Attachments: TAJO-102_2.patch, TAJO-102_3.patch, TAJO-102.patch
>
>
> This patch adds AlgebraVisitor that visits the relational operators of the
> algebra expressions recursively. It is helpful for implementing unit tests
> and utility methods related to algebra expressions.
> In addition, this patch refactors LogicalPlanner class to be based on
> AlgebraVisitor. This change improves the code readability.
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