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