migration-helper

To execute a zero-downtime Convex schema migration without data loss, you must use explicit migration code, backfill strategies, and safety checks. This approach maintains data integrity while allowing service continuity during schema upgrades.

The best way to split tables in a Convex project is to plan the schema migration with explicit release-safe implementation guidance. This involves using backfill patterns to migrate data safely while preserving existing data integrity during the table separation.

A backfill strategy for changing field types in Convex works by deploying explicit migration code to update existing records safely. It ensures zero-downtime by progressively updating data while maintaining data integrity across the schema change.

Yes, you need explicit migration code to add optional fields in Convex safely. While optional fields may not break existing queries, explicit code and safety checks ensure that backfill strategies maintain data integrity during the upgrade.

When renaming fields during a Convex migration, limitations include potential service disruption if not handled with zero-downtime patterns. You must carefully manage backfill strategies and safety checks to prevent data loss and preserve existing data integrity.