@clickhouse/rowbinary: when your library is also a parser compiler

The Node.js library @clickhouse/rowbinary has been released to facilitate efficient reading and writing for ClickHouse's RowBinary formats, offering two main functionalities: a library of type-specific reading primitives and an Agent Skill for generating query-specific parsers. The library provides a set of small, monomorphizable functions for each data type, optimized for performance by minimizing dispatch overhead, and is complemented by a markdown file (SKILL.md) that guides a coding agent to produce parsers tailored to specific query column types. This approach allows for significantly faster parsing compared to generic methods, with reductions in runtime and costs, while addressing common issues such as silent data-corruption bugs. The skill-generated parsers, which are reviewed and benchmarked like any other code, offer a reliable alternative to traditional JSON paths and generic RowBinary readers, demonstrating notable speed improvements in various use cases. The package highlights a shift from conventional schema-driven codegen compilers to a more modular, inference-based model, emphasizing transparency and adaptability in parser generation.

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