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Designing Rayfall: One Expression Language for a Columnar Database

calendar_today August 25, 2026 person Anton Kundenko domain dzone

Columnar engines naturally organize computation around vectors to make effective use of single instruction, multiple data (SIMD) instructions. This makes vectors first-class citizens in such engines. The difficult design question appears when an engine’s internal application programming interface (API) must be exposed to users: where should programming happen?

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