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Optimize semi, anti join index alignment #22793
Description
Is your feature request related to a problem or challenge?
get_semi_indices and get_anti_indices allocate an intermediate bitmap to do intersection/set-difference; we can use the fact that the input indices are sorted to do better.
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Activity
neilconway commentedon Jun 6, 2026
take
perf: Optimize semi-, anti-join index alignment (apache#22794)