# VERIFIED_FEATURES.md - zcatsql

Estado de verificación de funcionalidades en aplicaciones reales.

**Leyenda:**
- ✅ **Verificado** - Probado en aplicación real, funciona correctamente
- ⚠️ **Tests only** - Solo tests unitarios, no probado en app real
- 🔧 **Mejorado** - Probado y mejorado/corregido durante uso real
- ❌ **Incompleto** - Conocido como incompleto o con limitaciones
- ❓ **Sin probar** - No tiene tests ni uso real

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## Core (database.zig / statement.zig)

### Conexión y Base de Datos
| Feature | Estado | Notas |
|---------|--------|-------|
| Database.open | ✅ | zsimifactu |
| Database.close | ✅ | zsimifactu |
| Database.prepare | ✅ | zsimifactu |
| Database.exec | ✅ | zsimifactu - CREATE TABLE |
| Database.lastInsertRowId | ⚠️ | Tests only |
| Database.changes | ⚠️ | Tests only |

### Statements
| Feature | Estado | Notas |
|---------|--------|-------|
| Statement.prepare | ✅ | zsimifactu |
| Statement.step | ✅ | zsimifactu - SELECT iteration |
| Statement.reset | ⚠️ | Tests only |
| Statement.finalize | ✅ | zsimifactu |
| Statement.columnInt | ✅ | zsimifactu |
| Statement.columnText | ✅ | zsimifactu |
| Statement.columnFloat | ⚠️ | Tests only |
| Statement.columnBlob | ⚠️ | Tests only |
| Statement.bindInt | ⚠️ | Tests only |
| Statement.bindText | ⚠️ | Tests only |
| Statement.bindFloat | ⚠️ | Tests only |
| Statement.bindNull | ⚠️ | Tests only |

### Tipos de Datos
| Feature | Estado | Notas |
|---------|--------|-------|
| INTEGER | ✅ | zsimifactu |
| TEXT | ✅ | zsimifactu |
| REAL | ⚠️ | Tests only |
| BLOB | ⚠️ | Tests only |
| NULL handling | ✅ | zsimifactu - COALESCE |

---

## Extensiones

### fts5.zig (Full-Text Search)
| Feature | Estado | Notas |
|---------|--------|-------|
| createFts5Table | ⚠️ | Tests only |
| fts5Query | ⚠️ | Tests only |
| fts5Highlight | ⚠️ | Tests only |

### json.zig
| Feature | Estado | Notas |
|---------|--------|-------|
| JSON functions | ⚠️ | Tests only |
| json_extract | ⚠️ | Tests only |
| json_array | ⚠️ | Tests only |

### rtree.zig (Spatial Index)
| Feature | Estado | Notas |
|---------|--------|-------|
| Todas | ❓ | Sin probar |

### vtable.zig (Virtual Tables)
| Feature | Estado | Notas |
|---------|--------|-------|
| Todas | ❓ | Sin probar |

---

## Utilidades

### backup.zig
| Feature | Estado | Notas |
|---------|--------|-------|
| backup | ⚠️ | Tests only |
| restore | ⚠️ | Tests only |

### pool.zig (Connection Pool)
| Feature | Estado | Notas |
|---------|--------|-------|
| Pool.init | ⚠️ | Tests only |
| Pool.acquire | ⚠️ | Tests only |
| Pool.release | ⚠️ | Tests only |

### functions.zig (Custom Functions)
| Feature | Estado | Notas |
|---------|--------|-------|
| createScalarFunction | ⚠️ | Tests only |
| createAggregateFunction | ⚠️ | Tests only |

### session.zig
| Feature | Estado | Notas |
|---------|--------|-------|
| Todas | ❓ | Sin probar |

### serialize.zig
| Feature | Estado | Notas |
|---------|--------|-------|
| Todas | ❓ | Sin probar |

### audit/
| Feature | Estado | Notas |
|---------|--------|-------|
| Todas | ❓ | Sin probar |

---

## Historial de Verificación

| Fecha | Proyecto | Features Verificadas |
|-------|----------|---------------------|
| 2025-12-09 | zsimifactu | open, close, prepare, exec, step, columnInt, columnText |
| 2025-12-09 | zsimifactu | SELECT con 510 registros, CREATE TABLE, INSERT |

---

## Próximos a Verificar (Prioridad zsimifactu)

1. **Bind parameters** - Para INSERT/UPDATE seguros
2. **Transactions** - BEGIN/COMMIT/ROLLBACK
3. **lastInsertRowId** - Para nuevos registros
4. **FTS5** - Búsqueda de texto en clientes