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AionDB: PostgreSQL-compatible SQL, graph, and vector database in Rust

AionDB is a Rust-based database engine compatible with PostgreSQL wire protocol and ORMs, supporting SQL, graph queries, and vector search. It provides a unified query surface for relational records, graph relationships, and semantic retrieval, while allowing use of existing PostgreSQL tooling. The project is in alpha with measured performance claims and transparent benchmarks.

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AionDB: PostgreSQL-compatible SQL, graph, and vector database in Rust
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Key points

  • Built in Rust, compatible with PostgreSQL wire protocol and ORMs like Prisma and SQLAlchemy; works with existing migration tools.
  • Unified query surface: MATCH patterns combined with SQL, supporting relational, graph, and vector operations in one query.
  • Flexible data model: tables as source of truth, with graph labels and vector columns for connected data and semantic retrieval.
  • Measured claims: competitive on many SQL workloads, faster than SurrealDB in tested cases; publishes reproducible benchmarks.

Highlights and analysis are generated automatically and may contain errors. Check the original source.

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