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database-migration-generator

@ntaksh42/agents
0
0

Generate database migration scripts with rollback support for various databases. Use when creating schema migrations or database changes.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name database-migration-generator
description Generate database migration scripts with rollback support for various databases. Use when creating schema migrations or database changes.

Database Migration Generator Skill

データベースマイグレーションスクリプトを生成するスキルです。

主な機能

  • テーブル作成: CREATE TABLE
  • カラム追加/削除: ALTER TABLE
  • インデックス: CREATE INDEX
  • 外部キー: FOREIGN KEY制約
  • ロールバック: DOWN migration

生成例

-- migrations/001_create_users.up.sql
CREATE TABLE users (
    id SERIAL PRIMARY KEY,
    email VARCHAR(255) NOT NULL UNIQUE,
    name VARCHAR(100) NOT NULL,
    password_hash VARCHAR(255) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE INDEX idx_users_email ON users(email);

-- migrations/001_create_users.down.sql
DROP TABLE IF EXISTS users;

TypeORM (TypeScript)

import { MigrationInterface, QueryRunner, Table } from 'typeorm';

export class CreateUsers1234567890 implements MigrationInterface {
    async up(queryRunner: QueryRunner): Promise<void> {
        await queryRunner.createTable(new Table({
            name: 'users',
            columns: [
                {
                    name: 'id',
                    type: 'int',
                    isPrimary: true,
                    isGenerated: true,
                    generationStrategy: 'increment'
                },
                {
                    name: 'email',
                    type: 'varchar',
                    isUnique: true
                }
            ]
        }));
    }

    async down(queryRunner: QueryRunner): Promise<void> {
        await queryRunner.dropTable('users');
    }
}

バージョン情報

  • Version: 1.0.0