Michal Nowakiewicz created ARROW-13643:
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Summary: [C++][Compute] Implement outer join with support for
residual predicates
Key: ARROW-13643
URL: https://issues.apache.org/jira/browse/ARROW-13643
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Affects Versions: 6.0.0
Reporter: Michal Nowakiewicz
Assignee: Michal Nowakiewicz
Fix For: 6.0.0
Residual predicates are evaluated after finding matches using equality
condition on key columns, but before deciding whether an input had a match for
the join and resolving outer references. They allow to implement in a simple
(but potentially inefficient) way inequality predicates that accompany equality
predicates in join condition.
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