Create table index unique rails

class CreateFoobars < ActiveRecord::Migration
  def change
    create_table :foobars do |t|
      t.string :name, index: {unique: true}
    end
  end
end

Source: stackoverflow.com

Create table index unique rails

class CreateFoos < ActiveRecord::Migration
  def change
    create_table :foos do |t|
      t.string :bar, :null => false

      t.index :bar, unique: true
    end
  end
end

Source: stackoverflow.com

Similar codes

0 vote171 views1 answer
Ruby typeof
Ruby
0 vote192 views1 answer
Add key and value to first spot in hash ruby
Ruby
0 vote187 views1 answer
Start rails server on different port
Ruby
1 vote196 views2 answers
Create a new hash from existing hash ruby
Ruby
0 vote185 views1 answer
Ruby shorthand if
Ruby
0 vote185 views1 answer
Ruby list all class methods
Ruby
0 vote188 views1 answer
Gem 'iex-ruby-client' how to set up
Ruby
2 votes181 views2 answers
Ruby push array
Ruby
0 vote206 views1 answer
Force user to login before action devise rails
Ruby
0 vote192 views1 answer
Rails form_tag
Ruby