ActiveRecord migrations:
*Add a new column with an index
Add a new column with an index
suggest changeTo add a new indexed column email to the users table, run the command:
rails generate migration AddEmailToUsers email:string:indexThis will generate the following migration:
class AddEmailToUsers < ActiveRecord::Migration[5.0]
def change
add_column :users, :email, :string
add_index :users, :email
end
end
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