Hash tables in ClickHouse and C++ Zero-cost Abstractions

T1Covered by 1 source · first reported by Databricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale at 16 May 2023, 19:09 UTC

Read about how we implement hash tables in ClickHouse from choosing the right hash function, to managing collisions, benchmarking and designing an elegant API. All for the fastest hash table implementation possible.

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Sources

• T1Hash tables in ClickHouse and C++ Zero-cost AbstractionsDatabricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale16 May 2023, 19:09