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https://issues.apache.org/jira/browse/TAJO-99?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13792509#comment-13792509
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Hudson commented on TAJO-99:
----------------------------
FAILURE: Integrated in Tajo-trunk-postcommit #506 (See
[https://builds.apache.org/job/Tajo-trunk-postcommit/506/])
TAJO-99: Design the interface of join enumeration algorithm. (hyunsik)
(hyunsik:
https://git-wip-us.apache.org/repos/asf?p=incubator-tajo.git&a=commit&h=517355dc50fec4244bc5a9d5f7fc246cfc6f31a9)
*
tajo-core/tajo-core-backend/src/test/java/org/apache/tajo/engine/planner/TestLogicalOptimizer.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/logical/join/JoinEdge.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/PlannerUtil.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/LogicalPlan.java
* tajo-common/src/main/java/org/apache/tajo/conf/TajoConf.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/logical/join/JoinGraph.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/logical/join/JoinOrderAlgorithm.java
* CHANGES.txt
*
tajo-core/tajo-core-backend/src/test/java/org/apache/tajo/master/TestGlobalPlanner.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/rewrite/FilterPushDownRule.java
* tajo-common/src/main/java/org/apache/tajo/util/TUtil.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/LogicalPlanVisitor.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/GlobalPlanner.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/PhysicalPlannerImpl.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/ExplainLogicalPlanVisitor.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/LogicalOptimizer.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/logical/join/FoundJoinOrder.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/graph/DirectedGraphCursor.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/rewrite/ProjectionPushDownRule.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/logical/join/GreedyHeuristicJoinOrderAlgorithm.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/logical/JoinNode.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/BasicLogicalPlanVisitor.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/planner/LogicalPlanner.java
> Design the interface of join enumeration algorithm
> --------------------------------------------------
>
> Key: TAJO-99
> URL: https://issues.apache.org/jira/browse/TAJO-99
> Project: Tajo
> Issue Type: Sub-task
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Attachments: TAJO-99.patch
>
>
> The core feature of cost-based optimizer is cost-based join enumeration
> approach. The main objective of this is to find the best join order from lots
> of enumerated join trees. In database community, there have been many studies
> for join enumeration ways.
> It would like to great to provide a generic and pluggable interface for join
> enumeration algorithms. It may encourage contributors to implement various
> join enumeration ways, and users could choose the best join ordering
> algorithm for their purpose.
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