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.
Reporter: Michal Nowakiewicz / @michalursa
Assignee: Sasha Krassovsky / @save-buffer
Related issues:
PRs and other links:
Note: This issue was originally created as ARROW-13643. Please see the migration documentation for further details.
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.
Reporter: Michal Nowakiewicz / @michalursa
Assignee: Sasha Krassovsky / @save-buffer
Related issues:
PRs and other links:
Note: This issue was originally created as ARROW-13643. Please see the migration documentation for further details.