Guide for migrating PrismaORM version from 5.0.0 to 6.5.0

Upgrading from Prisma ORM version 5.0.0 to 6.5.0 involves several important steps to ensure a smooth transition. Below is a comprehensive guide to assist you through the process:

1. Update Dependencies:

Begin by updating your project's dependencies to the latest versions. Run the following command:

npm install prisma@latest @prisma/client@latest

This command updates both prisma and @prisma/client to their latest versions.

2. Review Breaking Changes:

Prisma 6 introduced some breaking changes that may affect your project:

• TypeScript and Node.js Minimum Versions: Prisma 6 has updated the minimum supported versions of TypeScript and Node.js. Ensure your development environment meets these requirements.

• Full-Text Search Features: The fullTextIndex and fullTextSearch features have been promoted to General Availability, enhancing full-text search capabilities.

3. Update Prisma Schema:

Prisma 6.4.0 introduced the prisma.config.ts configuration file in Early Access. This file allows for advanced configurations, including specifying the path to your schema.prisma file. To utilize this feature, create a prisma.config.ts file in your project's root directory with the following content:

import path from 'node:path';

export default {
  earlyAccess: true, // required while in Early Access
  schema: {
    kind: 'single',
    filePath: path.join('prisma', 'schema.prisma'),
  },
};

This configuration ensures that Prisma recognizes the location of your schema file.

4. Migrate Database Changes:

Prisma 6.5.0 has deprecated the prisma migrate dev command's ability to reset the database when schema drift is detected. Instead, if a schema drift is detected or if the migration cannot be cleanly applied, an error will be printed, and a workaround like the prisma migrate reset command will be suggested.

To apply your migrations, run:

npx prisma migrate dev

If you encounter issues due to schema drift, use:

npx prisma migrate reset

5. Update Application Code:

After updating Prisma, regenerate the Prisma Client to ensure it aligns with the new version:

npx prisma generate

Review your application code for any deprecated methods or changes in the Prisma Client API. Refer to the Prisma Changelog for detailed information on API changes.

6. Test Your Application:

Thoroughly test your application to ensure that all functionalities work as expected after the upgrade. Pay special attention to database interactions and migrations.

7. Monitor and Optimize:

With the introduction of features like Prisma Optimize, you can analyze and improve database query performance. Utilize these tools to monitor and enhance your application's efficiency.

By following these steps, you can successfully upgrade your project from Prisma ORM 5.0.0 to 6.5.0, taking advantage of the latest features and improvements.