@@ -1,5 +1,7 @@ *2.1.1 (next release)* +* Set config.active_record.timestamped_migrations = false to have migrations with numeric prefix instead of UTC timestamp. #446. [Andrew Stone, Nik Wakelin] + * Fixed that create database statements would always include "DEFAULT NULL" (Nick Sieger) [#334] * change_column_default preserves the not-null constraint. #617 [Tarmo Tänav] activerecord/CHANGELOG @@ -439,6 +439,10 @@ module ActiveRecord #:nodoc: cattr_accessor :schema_format , :instance_writer => false @@schema_format = :ruby + # Specify whether or not to use timestamps for migration numbers + cattr_accessor :timestamped_migrations , :instance_writer => false + @@timestamped_migrations = true + # Determine whether to store the full constant name including namespace when using STI superclass_delegating_accessor :store_full_sti_class self.store_full_sti_class = false activerecord/lib/active_record/base.rb @@ -238,6 +238,22 @@ module ActiveRecord # lower than the current schema version: when migrating up, those # never-applied "interleaved" migrations will be automatically applied, and # when migrating down, never-applied "interleaved" migrations will be skipped. + # + # == Timestamped Migrations + # + # By default, Rails generates migrations that look like: + # + # 20080717013526_your_migration_name.rb + # + # The prefix is a generation timestamp (in UTC). + # + # If you'd prefer to use numeric prefixes, you can turn timestamped migrations + # off by setting: + # + # config.active_record.timestamped_migrations = false + # + # In environment.rb. + # class Migration @@verbose = true cattr_accessor :verbose activerecord/lib/active_record/migration.rb @@ -57,6 +57,17 @@ module Rails end protected + def current_migration_number + Dir.glob("#{RAILS_ROOT}/#{@migration_directory}/[0-9]*_*.rb").inject(0) do |max, file_path| + n = File.basename(file_path).split('_', 2).first.to_i + if n > max then n else max end + end + end + + def next_migration_number + current_migration_number + 1 + end + def migration_directory(relative_path) directory(@migration_directory = relative_path) end @@ -70,7 +81,11 @@ module Rails end def next_migration_string(padding = 3) - Time.now.utc.strftime("%Y%m%d%H%M%S") + if ActiveRecord::Base.timestamped_migrations + Time.now.utc.strftime("%Y%m%d%H%M%S") + else + "%.#{padding}d" % next_migration_number + end end def gsub_file(relative_destination, regexp, *args, &block) railties/lib/rails_generator/commands.rb af92dc53a830a4639d38df79048f1a30a89dd38a Michael Koziarski michael@koziarski.com http://github.com/rails/rails/commit/af3f2aad7ecb31a6e1d09f06775cb33b4ad64d91 af3f2aad7ecb31a6e1d09f06775cb33b4ad64d91 2008-07-30T09:33:43-07:00 2008-07-30T09:33:43-07:00 Set config.active_record.timestamped_migrations = false to have migrations with numeric prefix instead of UTC timestamp. [#446 state:resolved] Signed-off-by: Pratik Naik <pratiknaik@gmail.com> 9639dacc4d9874a12ed425a0f459f40903cc57f8 Michael Koziarski michael@koziarski.com