clickhouse-rust-type-mismatches

clickhouse-rust-type-mismatches is a Databases & SQL skill for AI agents, published by divinevideo in the divine-mobile repository on GitHub. Skillspace rates clickhouse-rust-type-mismatches D (66/100) and it passed the safety scan; the rating is based on static analysis only.

Fix ClickHouse query errors in Rust when using clickhouse-rs crate. Use when: (1) "string is not valid utf8" errors - typically FixedString columns need CAST to String, (2) "tag for enum is not valid" errors - typically Option<T> fields receiving non-NULL values, (3) Sum/count aggregations returning Float64 but Rust expects u64, (4) LEFT JOIN results with empty strings where Rust expects Option::None, (5) "not enough data, probably a row type mismatches a database schema" - query SELECT returns fewer columns than the Rust Row struct expects (common when multiple query functions share the same struct but one function is missing columns added later), (6) Garbled/corrupted data when INSERTing to FixedString(N) columns using String Rust type - silently corrupts data (no error!) because String adds a length prefix but FixedString expects exactly N raw bytes. Fix: use [u8; N] with #[serde(with = "BigArray")] from serde-big-array, (7) "the trait bound `[u8; 64]: serde::Serialize` is not…

Grade

D

Quality

66 / 100

Safety

Passed

GitHub stars

257

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