db/migrate/20140813110107_set_charset_for_mysql.rb

@@ -15,10 +15,8 @@ class SetCharsetForMysql < ActiveRecord::Migration

                   end
              

                 
              

                   def change
              

                -    conn = ActiveRecord::Base.connection
              

                -
              

                     # This is migration is for MySQL only.
              

                -    return unless conn.is_a?(ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter)
              

                +    return unless mysql?
              

                 
              

                     reversible do |dir|
              

                       dir.up do
              
@@ -63,7 +61,7 @@ class SetCharsetForMysql < ActiveRecord::Migration

                           execute 'ALTER TABLE %s CHARACTER SET utf8 COLLATE utf8_unicode_ci' % table_name
              

                         }
              

                 
              

                -        execute 'ALTER DATABASE %s CHARACTER SET utf8 COLLATE utf8_unicode_ci' % conn.current_database
              

                +        execute 'ALTER DATABASE %s CHARACTER SET utf8 COLLATE utf8_unicode_ci' % connection.current_database
              

                       end
              

                 
              

                       dir.down do
              
@@ -71,4 +69,8 @@ class SetCharsetForMysql < ActiveRecord::Migration

                       end
              

                     end
              

                   end
              

                +
              

                +  def mysql?
              

                +    ActiveRecord::Base.connection.adapter_name =~ /mysql/i
              

                +  end
              

                 end