Class: AddUniqueIndexOnAccessCodeAndVersionInSurveys

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/generators/surveyor/templates/db/migrate/add_unique_index_on_access_code_and_version_in_surveys.rb

Class Method Summary collapse

Class Method Details

.down ⇒ Object 



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# File 'lib/generators/surveyor/templates/db/migrate/add_unique_index_on_access_code_and_version_in_surveys.rb', line 7

def self.down
  remove_index( :surveys, :name => 'surveys_access_code_version_idx' )
end

.up ⇒ Object 



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# File 'lib/generators/surveyor/templates/db/migrate/add_unique_index_on_access_code_and_version_in_surveys.rb', line 3

def self.up
  add_index(:surveys, [ :access_code, :survey_version], :name => 'surveys_access_code_version_idx', :unique => true)
end