Jihoon Son created TAJO-2075:
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Summary: Allowing cross join in the middle of a query plan
Key: TAJO-2075
URL: https://issues.apache.org/jira/browse/TAJO-2075
Project: Tajo
Issue Type: Improvement
Components: Planner/Optimizer
Reporter: Jihoon Son
Currently the cross join is allowed only at the beginning of a query plan. That
is, it is allowed only when at least one of its inputs is a simple relation
scan.
This prevents Tajo from executing several popular queries like TPC-DS Q28.
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