Draft:RayforceDB


RayforceDB
Written inC
Operating systemLinux, macOS, Windows
Available inPython
Rust
WebAssembly
TypeColumn-oriented DBMS
LicenseMIT License
Websitehttps://rayforcedb.com

RayforceDB is an open-source, column-oriented database engine written in C. It is designed for in-process embedding and uses columnar data structures and SIMD vectorization for analytical and time series workloads.[1][2]

The system includes a LISP-like query and programming language called Rayfall, which is used to express queries and data transformations.[3]

In late 2025, the project was publicly released[4] as open source under the MIT License.

Design

RayforceDB is implemented in C and is designed to be embedded directly within host applications. The documentation emphasizes a small binary footprint and minimal external dependencies. The system uses a columnar storage model and represents relational data using tables composed of named columns.[2][5]

Architecture

RayforceDB follows a column-oriented execution model intended for analytical processing. Its architecture centers on in-memory columnar data structures, vectorized execution, and direct integration into application processes.

Data model

The primary data structures in RayforceDB are homogeneous vectors and columnar tables. Tables consist of named columns backed by vectors and serve as the basis for relational operations such as selection, grouping, aggregation, and joins.[5]

Execution and memory management

Operations in RayforceDB are evaluated over vectors rather than individual rows. The documentation describes the use of SIMD vectorization to apply operations across batches of values. Project materials also describe a custom memory subsystem, including a parallel lock-free allocator, intended to support analytical workloads.[2]

Embedding and WebAssembly

In addition to native embedding, RayforceDB provides a WebAssembly build and JavaScript SDK. The WebAssembly distribution exposes vectors and tables in a browser environment and allows access to columnar data through JavaScript typed arrays, as described in the SDK documentation.[6]

Rayfall language

Rayfall is a functional language with LISP-like syntax used for querying and transforming data in RayforceDB. It provides built-in support for tables and time-series operations and is used by the system’s REPL and execution environment. Examples in the documentation demonstrate operations such as selection, grouping, and joins expressed using Rayfall syntax.[3][2]

Ecosystem

RayforceDB provides bindings and tooling for multiple environments.

  • Python: The rayforce-py package provides Python bindings and is distributed via PyPI under the MIT License.[7]
  • Rust: The rayforce-rs crate provides Rust bindings and is documented as part of the RayforceDB ecosystem.[8][9]
  • WebAssembly: A browser-based demo and JavaScript SDK expose a Rayfall REPL and database functionality through WebAssembly.[6]

Reception and visibility

RayforceDB is listed in database catalogs such as DBDB.io and DB-Engines, where it is categorized as a column-oriented DBMS.[10][11] The open-source release has been discussed on community forums including Hacker News.[4]

See also

References

  1. ^ "RayforceDB". rayforcedb.com. Retrieved 2026-01-16.
  2. ^ a b c d "RayforceDB Core Documentation". core.rayforcedb.com. Retrieved 2026-01-16.
  3. ^ a b "RayforceDB FAQ". rayforcedb.com. Retrieved 2026-01-16.
  4. ^ a b "RayforceDB is now an open-source project". news.ycombinator.com. Retrieved 2026-01-16.
  5. ^ a b "Table data type". rayforcedb.com. Retrieved 2026-01-16.
  6. ^ a b "RayforceDB WebAssembly demo". wasm.rayforcedb.com. Retrieved 2026-01-16.
  7. ^ "rayforce-py". pypi.org. Retrieved 2026-01-16.
  8. ^ "RayforceDB Rust documentation". rs.rayforcedb.com. Retrieved 2026-01-16.
  9. ^ "rayforce-rs repository". github.com. Retrieved 2026-01-16.
  10. ^ "RayforceDB". dbdb.io. Retrieved 2026-01-16.
  11. ^ "RayforceDB on DB-Engines". db-engines.com. Retrieved 2026-01-16.

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