Rails 5 adds finish option in find_in_batches
1 2Person.find_in_batches(start: 1000, batch_size: 2000) do |group| 3 group.each { |person| person.party_all_night! } 4end 5 Copy The above code provides batches of Person starting from record whose value of primary key is equal to 1000. There is no end value for primary key. That means in the above case all the records that have primary key value greater than 1000 are fetched. Rails 5 introduces
Rails 5 introduces country_zones helper method
Before Rails 5, we could fetch all time zones for US by using us_zones method as follows. 1 2> puts ActiveSupport::TimeZone.us_zones.map(&:to_s) 3(GMT-10:00) Hawaii 4(GMT-09:00) Alaska 5(GMT-08:00) Pacific Time (US & Canada) 6(GMT-07:00) Arizona 7(GMT-07:00) Mountain Time (US & Canada) 8(GMT-06:00) Central Time (US & Canada) 9(GMT-05:00) Eastern Time (US & Canada) 10(GMT-05:00) Indiana (East) 11 C
Rails 5 Renaming transactional fixtures to tests
In Rails 4.x we have transactional fixtures that wrap each test in a database transaction. This transaction rollbacks all the changes at the end of the test. It means the state of the database, before the test is same as after the test is done. By default this functionality is enabled. We can choose to disable it in a test case class by setting the class attribute use_transactional_fixtures to fal
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