MySQL emitter


Package	`@aiparlance/mysql`
CLI	`aip emit mysql`
Role	`schema`
Score	14/23 (61%)
Band	Strong slice
Scorecard	transpilers/mysql/EMITTER_OBJECTIVES.md

Scored against the master checklist (55 IDs, v2 · 2026-08-06).

Summary

✅ Pass	⚠️ Partial	❌ Fail	➖ N/A
14	2	7	32

N/A items are outside the schema role and do not affect the score denominator.

MySQL DDL twin of PostgreSQL (database mysql required).

ID	Objective
`A1`	Emit entity shapes (types / structs / schemas / tables) from `entity`
`A4`	Emit enums / constrained variants from `enum(…)`
`A5`	Emit `belongs_to` as FKs or refs
`A6`	Emit implicit `id` primary key
`A7`	Emit `timestamps` (`created_at` / `updated_at`)
`A8`	Emit `soft_delete` field/column (`deleted_at`)
`B1`	Honor `required` / `optional`
`B2`	Honor `unique`
`C1`	Durable schema (DDL or ORM / query models)
`C2`	Indexes from `index { }`
`C3`	Seeds from `seed { }`
`C6`	Respect `app.database` target
`H3`	Golden / CI for `minimal.aip` (or matching twin)
`H5`	Naming aligned with docs (plural tables, `*_id`, snake_case)

ID	Objective
`B4`	Map semantic types (`email`, `phone`, …) distinctly
`H4`	Emit succeeds on matching full-tier examples without crash

ID	Objective
`A9`	Soft-delete semantics (default reads filter deleted rows)
`B3`	Apply `validation { }` beyond required folding
`C4`	Versioned migrations (ordered up)
`C5`	Migration down / rollback
`C7`	Transactions for multi-statement / workflow writes
`H1`	Human-readable API / domain documentation
`H2`	Automated test fixtures or scaffolds

Full ID-by-ID scorecard (including ➖ N/A): transpilers/mysql/EMITTER_OBJECTIVES.md.

Package Vitest. Use examples/mysql-minimal.aip (throws on postgres apps).

npm test
node packages/cli/dist/cli.js emit mysql examples/mysql-minimal.aip