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Best-in-class stream processing, analytics, and management. Perform continuous analytics, or build event-driven applications, real-time ETL pipelines, and feature stores in minutes. Unified streaming and batch. PostgreSQL compatible.
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perf: vectorized execution for `ListArray` functions #17784

Open xxchan opened 4 months ago

xxchan commented 4 months ago 
          > Is this still suboptimal? We are still iterating over the list slices. Can we directly reinterpret the whole `ListArray` to the underlying `ArrayImpl` without iteration? 🤔

Yes, of course. However, this specialization has to be done with #[build_function]. The current implementation is more obvious.

_Originally posted by @wangrunji0408 in https://github.com/risingwavelabs/risingwave/pull/13402#discussion_r1686115405_

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