schema-diff

What problem does it solve?

This Skill provides automated comparison of schema states to identify risky changes before applying migrations or after model changes, helping to mitigate potential issues.

Core Features & Use Cases

• Schema Comparison: Compare old and new schema states.
• Risk Assessment: Flag changes with high risk such as dropped columns, narrowed types, or new NOT NULL constraints.
• Pre-deploy Check: Use as a pre-deployment check to ensure schema changes are safe.
• Use Case: Before deploying a new version of a database, use this Skill to identify any schema changes that could cause issues, such as dropped columns that contain data.

Quick Start

Run the schema-diff skill on the current and proposed schema files to check for risky changes.