A Ruby gem that detects inconsistencies between ActiveRecord models and database schema to prevent data issues.
DatabaseConsistency is a Ruby gem designed to detect and report inconsistencies between ActiveRecord models and the database schema in Rails applications. It helps prevent data integrity issues, runtime errors, and performance problems by ensuring that model validations, associations, and constraints align with the actual database structure. The tool scans for mismatches like missing indexes, invalid foreign keys, and redundant constraints.
Ruby on Rails developers and teams working on applications with complex database schemas who need to maintain data integrity and avoid runtime errors caused by schema-model mismatches.
Developers choose DatabaseConsistency because it provides comprehensive, automated checks for a wide range of schema-model inconsistencies that are easy to miss manually. Its support for auto-correction, flexible configuration, and gradual adoption via TODO files makes it a practical tool for improving database reliability in Rails projects.
The tool to avoid various issues due to inconsistencies and inefficiencies between a database schema and application models.
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It includes over 20 specific checkers, from missing null constraints to redundant indexes, as detailed in the README, ensuring thorough coverage of schema-model mismatches.
TODO files allow incremental fixes, making it easy to integrate into legacy codebases without disrupting development workflows.
For certain issues like missing foreign keys, it can automatically generate fixes, reducing manual effort for common problems.
Works with SQLite3, PostgreSQL, and MySQL, covering the primary databases used in Rails development.
It only supports ActiveRecord, as stated in the README, with no plans for other Ruby ORMs, limiting its use in diverse tech stacks.
Auto-correction is restricted to specific checkers; many issues require manual fixes, which can be cumbersome in large codebases.
Detailed guides are hosted in a separate wiki, making information harder to navigate compared to integrated documentation.