STET■

flux-pr-2011

sqlparser-rs (Rust) · W1 · GPT-5.1 Codex Mini

graphql-go-tools (Go)sqlparser-rs (Rust)Zod (TypeScript)
W2W1
|
GPT-5.1 Codex Mini
pass_with_warn

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

100.0% run pass rate
Tier 1
primary testspasseddecision conflictnon 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

unknown · partial order only

Canonical trajectory missing; showing coarse derived order only.

patch written
Patch captured
#1

Stet captured agent.patch for this trial.

agent.patch
validation
Tests passed
#2
validation
equivalence
Equivalence judgment
#3

non_equivalent

validation
code review
Code review judgment
#4

fail

validation
decision
Final decision
#5

pass_with_warn

validation

Quality

equivalence
non_equivalent
93% confidence
code review
fail
3 findings
footprint
low (0.29)
behavioral
100.0%
cost
$1.17 · 3.4M

Equivalence Reasoning

behavioral

The patch implements the main parser behavior (MERGE as query body, `RETURNING`, and optional `OUTPUT ... INTO`), but it adds `SetExpr::Merge` without updating all required consumers (notably `src/ast/spans.rs` in the gold fix). Under `--all-features`, this is a functional gap (likely compile failure or missing span handling), so it does not fully satisfy the task.

Code Review

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

The patch is close functionally but likely does not satisfy the intended change due to a probable missing `spans` update for the new `SetExpr::Merge` variant and unnecessary API-breaking AST renames; parser rewinding also increases regression risk.

3 findings
SetExpr::Merge added without matching spans support update
major

A new `SetExpr::Merge` variant was introduced, but the corresponding `Spanned for SetExpr` arm (included in the intended change) is missing from the agent patch, which likely causes build failure or incorrect span handling.

src/ast/query.rs:161
Unnecessary public AST type rename introduces compatibility break
major

The patch replaces `OutputClause` with `MergeOutputClause` in public AST structures. The intended change keeps the existing type name and evolves it, so this rename is avoidable API churn and likely breaks consumers.

src/ast/mod.rs:4218
MERGE parsing now depends on token rewind
major

`parse_statement` rewinds with `prev_token()` before `parse_merge()`, coupling correctness to token cursor behavior. This is more brittle than using explicit keyword consumption at the query-entry level.

src/parser/mod.rs:622
Evidencevalidation (116.4 KB)results (55.9 KB)run_metadata (1.6 KB)agent_patch (9.9 KB)summary (90.8 KB)manifest (475 B)