Hyunsik Choi created TAJO-121:
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Summary: Add LogicalPlanVisitor and Refactor LogicalOptimizer to
use the visitor
Key: TAJO-121
URL: https://issues.apache.org/jira/browse/TAJO-121
Project: Tajo
Issue Type: Sub-task
Reporter: Hyunsik Choi
Assignee: Hyunsik Choi
Fix For: 0.2-incubating
This patch adds LogicalPlanVisitor and improves LogicalOptimizer to use this
visitor. This improves the code readability and maintainability. Also, this
visitor will be helpful for making unit tests.
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