Question 1

How to set up rom-rb with Ruby on Rails?

Accepted Answer

Use the official rom-rails integration gem, which provides generators and configuration helpers to seamlessly incorporate rom-rb into Rails applications, as mentioned in the framework integrations.

Question 2

rom-rb vs ActiveRecord: which should I choose?

Accepted Answer

Choose rom-rb for complex data access, multi-source integration, and performance control; opt for ActiveRecord for rapid development with Rails conventions and simpler CRUD operations. rom-rb's explicit design suits advanced needs.

Question 3

How to handle validations in rom-rb?

Accepted Answer

Validations are typically managed through changeset objects, which encapsulate data transformations and validation logic for create/update operations, integrated with the core components.

Question 4

Does rom-rb support database migrations?

Accepted Answer

rom-rb itself doesn't include migration tools; for SQL databases, use adapters like rom-sql with external libraries (e.g., Sequel migrations) to handle schema changes separately.

Question 5

What adapters are available for non-SQL data sources?

Accepted Answer

rom-rb supports adapters for various sources including CSV, JSON, YAML, MongoDB, and Cassandra, as listed in the ecosystem, enabling flexible data persistence beyond traditional databases.

Question 6

How to perform complex queries with rom-rb?

Accepted Answer

Leverage the core APIs and repository abstraction to write explicit, optimized queries using database-specific features, avoiding abstraction overhead for better performance and control.

ROM

What is ROM?

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