Zoltán Borók-Nagy created IMPALA-15696:
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Summary: Evaluate codegening perfect_hash for IN-lists and small
hash tables
Key: IMPALA-15696
URL: https://issues.apache.org/jira/browse/IMPALA-15696
Project: IMPALA
Issue Type: Improvement
Components: Backend
Reporter: Zoltán Borók-Nagy
Perfect hash:
* https://lemire.me/blog/2026/10/26/billion-query-per-second-lookup-tables-in-c/
* https://github.com/ConstexprCore/perfect_hash
Evaluate the possiblity of codegining perfect_hash for IN-lists and small hash
tables.
Also investigate other methods to speedup small lookup tables.
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