Hyunsik Choi created TAJO-232:
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Summary: Rename join operators and add other join operators to
PhysicalPlanner
Key: TAJO-232
URL: https://issues.apache.org/jira/browse/TAJO-232
Project: Tajo
Issue Type: Improvement
Components: physical operator
Reporter: Hyunsik Choi
Assignee: Hyunsik Choi
Fix For: 0.2-incubating
The current physical operators for join have different naming rules as follows:
* LeftOuterHashJoin, FullOuterHashJoin, ...
* HashSemiJoin, HashAntiJoin
This patch renames join operators with consistency as follows:
* {Algorithm}{Join Type}Join
For example, outer joins will have the following names:
* HashLeftOuterJoin
* MergeRightOuterJoin
* HashFullOuterJoin
This patch adds other join algorithms (left semi/anti hash join) to physical
operators and adds In-subquery clause and exists predicate to Tajo algebra.
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