db-migrator

Name: db-migrator
Rating: 5 (220 reviews)
Author: laolaoshiren

Desenvolvimento

Author: laolaoshiren

数据库迁移助手 - Schema 对比、迁移脚本生成

220stars

Updated 30 days ago

View on GitHub ↗License: MIT

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数据库迁移助手

触发条件

当用户要求数据库迁移、生成 migration、schema 变更、数据库升级时激活此技能。

工作流程

分析 Schema — 读取 models/ORM 定义或现有数据库结构
对比差异 — 识别新增/修改/删除的表和字段
生成迁移脚本 — 支持多种框架：
- Alembic (Python)
- Flyway (Java)
- Prisma (Node.js)
- Django migrations
- Rails migrations

迁移模板

Alembic

def upgrade():
    op.add_column('users', sa.Column('email', sa.String(255)))
    op.create_index('ix_users_email', 'users', ['email'])

def downgrade():
    op.drop_index('ix_users_email')
    op.drop_column('users', 'email')