basalt-db/basalt

Basalt — a from-scratch hybrid OLTP/OLAP (HTAP) database engine in C++17, columnar by nature, with a browser Workbench and WASM playground; benchmarked vs SQLite, DuckDB, and MySQL

0 stars 1 forks 0 watchers C++ MIT License

columnar cpp database dbms embedded-database htap olap oltp sql vectorized-execution wasm webassembly

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1 Open Issue Need Help Last updated: Jul 24, 2026

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Three-valued NULL handling for a single aggregate (spike) about 2 hours ago

good first issue executor semantics difficulty: hard

basalt-db/basalt

Basalt — a from-scratch hybrid OLTP/OLAP (HTAP) database engine in C++17, columnar by nature, with a browser Workbench and WASM playground; benchmarked vs SQLite, DuckDB, and MySQL

C++

#columnar#cpp#database#dbms#embedded-database#htap#olap#oltp#sql#vectorized-execution#wasm#webassembly