ActiveRecord::PostgreSQL::Expression

Adds expression to migrations for ActiveRecord PostgreSQL adapters

Installation

Add this line to your application's Gemfile:

gem 'activerecord-postgresql-expression'

And then execute:

$ bundle

Or install it yourself as:

$ gem install activerecord-postgresql-expression

Usage

bundle exec rails g migration CreatePosts

class CreatePosts < ActiveRecord::Migration
  def change
    create_table :posts do |t|
      t.string :title
      t.text   :content
      t.timestamps
    end
    add_index :posts, :content, using: :gin, expression: 'to_tsvector(\'english\'::regconfig, (content)::text)'
  end
end

bundle exec rake db:migrate

  create_table "posts", force: :cascade do |t|
    t.string   "title"
    t.text     "content"
    t.datetime "created_at"
    t.datetime "updated_at"
  end

  add_index "posts", ["content"], name: "index_posts_on_content", using: :gin, expression: "to_tsvector('english'::regconfig, content)"

Contributing

1. Fork it ( https://github.com/naoa/activerecord-postgresql-expression/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request