flux-pr-2151
sqlparser-rs (Rust) · W2 · GPT-5.1 Codex Mini
Tests passed. 1/1 commands passed. Strength: strong.
env PATH=/root/.cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin cargo test --all-featuresPartial score: 1/1
Trajectory
codex · partial order onlyprovider-native trajectory captured; validation and decision steps are appended with coarse ordering only
Quality
Equivalence Reasoning
stylistic
The agent patch implements support for parsing and round-tripping `CAST(... AS <type> ARRAY)` in MySQL by treating `ARRAY` as a MySQL-specific type suffix (`KeywordSuffix`) and enabling it in the MySQL dialect. This differs from the gold patch’s `Expr::Cast` flag approach, but it still achieves the intended behavior for valid MySQL `CAST(... AS type ARRAY)` syntax.
Code Review
The patch likely passes targeted tests for `CAST(... AS ... ARRAY)` but overgeneralizes the syntax into MySQL type parsing, introducing correctness and regression risk outside the intended CAST-specific scope.
The requested behavior is specific to `CAST(... AS type ARRAY)`, but the patch adds `ARRAY` as a general MySQL data type suffix, which can alter parsing in unrelated type contexts.
Using `while self.parse_keyword(Keyword::ARRAY)` permits inputs like `... AS INT ARRAY ARRAY`, creating nested array types without validation.
A CAST-only syntax extension now requires a new dialect capability and a new `ArrayElemTypeDef` variant, making future grammar reasoning and constraints harder to localize.