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Doctrine catchup migrations

Resetting Doctrine Migrations and Generating a Fresh Baseline

Sometimes, after months of development, experiments, rebases, or multiple contributors, Doctrine migrations can become difficult to follow. You may end up with:

  • Too many migration files
  • Broken migration history
  • Conflicts between branches
  • Databases that are already in sync but migrations are not
  • Old migrations that no longer represent reality

In those situations, one practical solution is to completely reset the migration history and generate a brand new migration representing the current state of your entities.

When Should You Do This?

This approach is useful when:

  • You are still in active development
  • The project has not yet reached production
  • You want to simplify migration history
  • Your migration chain has become unreliable
  • You want a clean baseline for future migrations

Do not do this lightly on production systems with historical environments that depend on previous migrations.

Remove Existing Migration Files

Delete everything inside your migrations/ directory. 

rm -rf migrations/*

This removes the old migration history from the codebase.

Generate a Migration From an Empty Schema

Generate a migration that represents the full current structure of your entities: 

php bin/console doctrine:migrations:diff --from-empty-schema

The --from-empty-schema option tells Doctrine:"Compare the current entities against an empty database and generate everything."

The generated migration becomes your new baseline migration.

Rollup the Migration History

Now tell Doctrine that the database is already synchronized with this migration: 

php bin/console doctrine:migrations:rollup

This command does not execute SQL. Instead, it updates the migration metadata so Doctrine considers the database already migrated.

Why This Works

At this point:

  • Your entities represent the current truth
  • Your database is already synchronized
  • You now have a single clean migration baseline
  • Future migrations become easier to manage

Typical Workflow

# Remove old migrations
rm -rf migrations/*

# Generate fresh baseline migration
php bin/console doctrine:migrations:diff --from-empty-schema

# Mark database as already migrated
php bin/console doctrine:migrations:rollup

Important Notes

  • Always commit your database state before doing this
  • Backup important databases
  • Coordinate with teammates before rewriting migration history
  • Avoid this approach once multiple production environments depend on historical migrations

Conclusion

Doctrine migrations are excellent for tracking schema evolution, but sometimes the cleanest solution is to create a fresh baseline.

Using: 

php bin/console doctrine:migrations:diff --from-empty-schema
php bin/console doctrine:migrations:rollup

you can quickly reset migration history while keeping the current database structure intact.

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