flux-pr-2011

sqlparser-rs (Rust) · W2 · GPT-5.3 Codex

graphql-go-tools (Go)sqlparser-rs (Rust)Zod (TypeScript)

W2 W1

GPT-5.3 Codex GPT-5.4 GPT-5.1 Codex Mini

pass_with_warn

Tests passed. 1/1 commands passed. Strength: strong.

100.0% run pass rate

Tier 1

primary testspassednon equivalentfail

env PATH=/root/.cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin cargo test --all-features

gold passagent pass

Partial score: 1/1

Publishable: yesCache: miss

Trajectory

codex · partial order only

provider-native trajectory captured; validation and decision steps are appended with coarse ordering only

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patch written

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Flux captured agent.patch for this trial

agent.patch

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non_equivalent

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Quality

equivalence

non_equivalent

86% confidence

code review

fail

1 finding

footprint

low (0.30)

behavioral

100.0%

cost

$2.67 · 1.0M

Equivalence Reasoning

behavioral

Core features were added (MERGE as `SetExpr`, `RETURNING`, optional `INTO`, and tests), but `OutputClause` display behavior is functionally off: in `src/ast/mod.rs`, it prints `" INTO {into_table}"` even though `SelectInto` is already the `INTO ...` clause in existing design (gold keeps `into_table` formatting without prepending `INTO`). This risks rendering `OUTPUT ... INTO` incorrectly (e.g., duplicated `INTO`) and is not equivalent behavior.

Code Review

correctness: 2/4edge case handling: 1/4introduced bug risk: 2/4maintainability idioms: 3/4

The patch substantially implements the requested MERGE-as-query-body and OUTPUT/RETURNING support, but it likely does not fully satisfy intent because it accepts and can render `RETURNING ... INTO`, a materially incorrect grammar combination.

1 finding

Parser incorrectly allows `RETURNING ... INTO` in MERGE

major

After parsing either OUTPUT or RETURNING, the code unconditionally accepts optional INTO. This permits invalid PostgreSQL-style syntax (`RETURNING ... INTO`) and the formatter will emit that form as well.

src/parser/mod.rs:16593

Evidencetask_detail (—)trajectory (14.9 KB)validation (101.5 KB)results (60.1 KB)run_metadata (1.6 KB)agent_patch (8.6 KB)summary (273.7 KB)manifest (675 B)