db-migration

Safely execute Supabase schema migrations by using a four-phase workflow: analysis, planning, execution, and verification. This structured approach includes backfill strategies for large tables to minimize downtime and prevent data loss.

Managing DDL operations in Supabase without breaking RLS policies requires RLS auditing patterns during schema validation. This verifies that Row Level Security policies are correctly implemented and maintained after structural changes.

You can rollback ALTER TABLE statements if a database migration fails by using provided rollback templates. These templates are integrated into the planning phase to ensure safe DDL operations and immediate schema recovery.

Schema validation after applying Supabase database migrations works by running data validation queries to check for index integrity and constraint adherence. This verification phase ensures overall schema health and structural correctness.

You need a specific workflow to add a new column to a critical Supabase table. The process guides you through analysis, planning, execution, and verification phases, ensuring safe execution with necessary rollback and backfill strategies.