Blazer AI

AI-powered SQL generation for Blazer

Installation

Add this line to your application's Gemfile:

gem "blazer-ai"

Run:

bundle install
rails generate blazer_ai:install

And set your API key:

export OPENAI_API_KEY=your_key_here

Usage

Visit /blazer/queries/new and click Generate SQL (AI).

Keyboard shortcut: Cmd+Shift+G (Mac) or Ctrl+Shift+G

Configuration

Blazer::Ai.configure do |config|
  config.default_model = "gpt-5.1-codex"
  config.temperature = 0.2
  config.rate_limit_per_minute = 20
end

For other providers, update the initializer:

# Anthropic
RubyLLM.configure do |config|
  config.anthropic_api_key = ENV["ANTHROPIC_API_KEY"]
end

Blazer::Ai.configure do |config|
  config.default_model = "claude-sonnet-4-20250514"
end

# Google
RubyLLM.configure do |config|
  config.gemini_api_key = ENV["GEMINI_API_KEY"]
end

Blazer::Ai.configure do |config|
  config.default_model = "gemini-2.0-flash"
end

API

Invalidate schema cache:

Blazer::Ai::SchemaCache.invalidate(data_source_id: "main")

Validate SQL:

Blazer::Ai::SqlValidator.new.safe?("SELECT * FROM users")

Security

Only SELECT and WITH statements are allowed. Use a read-only database user.

Development

bundle install
bundle exec rake test

License

MIT

blazer-ai

Runtime