ecto-expert

Automate Ecto data modeling, changesets, queries, and Ecto.Multi transactions for Elixir projects.

2|1|Updated Feb 8, 2021

Search Tags:#performance #migrations #queries #elixir #ecto #changesets #multi

Ready to run

npx skills add https://github.com/jstoobz/dotfiles --skill ecto-expert

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: ecto-expert
Source: https://github.com/jstoobz/dotfiles/tree/main/claude/skills/elixir/ecto-expert
Command: npx skills add https://github.com/jstoobz/dotfiles --skill ecto-expert

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a curated set of Ecto patterns to model data, validate inputs, and orchestrate complex database operations in Elixir projects, reducing boilerplate and improving data integrity.

Core Features & Use Cases

Schemas and changesets for clean data modeling and validation
Query composition, preloads, and efficient data access
Ecto.Multi transactions for multi-step workflows
Safe migrations and schema evolution with best practices
Performance-oriented patterns such as batch inserts and streaming for large datasets
Real-world example: build a domain with users, posts, and organizations, validating inputs and composing queries across modules

Quick Start

Set up a simple example: define a User schema with a changeset and run a transactional insert using Ecto.Multi.

Frequently Asked Questions about ecto-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I use Ecto.Multi for transactional database workflows in Elixir?▼

Ecto.Multi orchestrates transactional database workflows in Elixir by composing multiple changesets and queries into a single atomic operation, rolling back all steps if any stage fails. This Skill provides patterns for structuring these multi-step transactions safely.

What is the best way to model schemas and validate changesets in Elixir?▼

Modeling schemas and validating changesets in Elixir involves defining schema fields and applying validation functions to incoming data. This Skill demonstrates clean data modeling patterns using changesets to enforce data integrity and reduce boilerplate.

How do I optimize Ecto queries for large datasets in Elixir?▼

Optimizing Ecto queries for large datasets in Elixir uses query composition, preloads for efficient data access, and performance patterns like batch inserts and streaming. This Skill provides these patterns to handle high-volume data processing efficiently.

How do I write safe database migrations when evolving Elixir schemas?▼

Writing safe database migrations when evolving Elixir schemas requires following best practices to prevent downtime and data loss during schema evolution. This Skill outlines safe migration strategies for typical Elixir backends.

Do I need a configured database to use Ecto changesets and queries?▼

Yes, using Ecto changesets, queries, and migrations requires an Elixir runtime, the Ecto library, and a configured database. This Skill demonstrates its data modeling and interaction patterns assuming this environment is already established.

Can Ecto handle batch inserts and streaming for large Elixir datasets?▼

Yes, Ecto handles large Elixir datasets through performance-oriented patterns like batch inserts and streaming. This Skill demonstrates how to apply these techniques for efficient bulk data processing.