[TAJO-2075] Allowing cross join in the middle of a query plan - ASF JIRA

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Type: Improvement
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: None
Component/s: Planner/Optimizer
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Description

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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Assignee:: Unassigned

Reporter:: Jihoon Son

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Dates

Created:: 15/Feb/16 02:50

Updated:: 15/Feb/16 02:50

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Allowing cross join in the middle of a query plan