ecto-patterns

What problem does it solve?

This Skill provides clear, actionable guidance and best practices for working with Ecto, Elixir's powerful database wrapper, preventing common pitfalls and ensuring robust data management.

Core Features & Use Cases

• Schema Design: Learn optimal field types and association strategies.
• Changeset Management: Understand cast, put_change, and custom validations for secure data handling.
• Query Optimization: Discover techniques for efficient data retrieval and avoiding N+1 queries.
• Migrations: Implement safe and reliable database schema changes.
• Use Case: When writing a new Ecto schema, quickly reference the correct field types for money (:integer for cents) and timestamps (:utc_datetime_usec), and ensure all external input is handled via cast/4.

Quick Start

Show me the best way to handle user input for an Ecto changeset.