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sql/distsqlrun: use FastIntSet to track unmatched right-side rows #21303

Merged
merged 1 commit into from
Jan 7, 2018
Merged

sql/distsqlrun: use FastIntSet to track unmatched right-side rows #21303

merged 1 commit into from
Jan 7, 2018

Commits on Jan 7, 2018

  1. sql/distsqlrun: use FastIntSet to track unmatched right-side rows 

    Replace `[]bool` with `FastIntSet` for tracking unmatched right-side
rows. The `FastIntSet` will avoid an allocation for the common case of
less than 64 rows on the right-side.

This only affects right and full outer joins.

Fixes cockroachdb#21269

Release note: None
    @petermattis
    petermattis committed Jan 7, 2018
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