diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/lib/active_record/migration.rb | 10 | ||||
| -rw-r--r-- | activerecord/test/cases/migration_test.rb | 11 |
2 files changed, 21 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 3963baa6b8..d205e57db3 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -397,6 +397,16 @@ module ActiveRecord down(migrations_path, finish ? finish.version : 0) end + def forward(migrations_path, steps=1) + migrator = self.new(:up, migrations_path) + start_index = migrator.migrations.index(migrator.current_migration) + + return unless start_index + + finish = migrator.migrations[start_index + steps] + up(migrations_path, finish ? finish.version : 0) + end + def up(migrations_path, target_version = nil) self.new(:up, migrations_path, target_version).migrate end diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb index 72d4892435..f0f21615e0 100644 --- a/activerecord/test/cases/migration_test.rb +++ b/activerecord/test/cases/migration_test.rb @@ -1136,6 +1136,17 @@ if ActiveRecord::Base.connection.supports_migrations? assert_equal(0, ActiveRecord::Migrator.current_version) end + def test_migrator_forward + ActiveRecord::Migrator.migrate(MIGRATIONS_ROOT + "/valid", 1) + assert_equal(1, ActiveRecord::Migrator.current_version) + + ActiveRecord::Migrator.forward(MIGRATIONS_ROOT + "/valid", 2) + assert_equal(3, ActiveRecord::Migrator.current_version) + + ActiveRecord::Migrator.forward(MIGRATIONS_ROOT + "/valid") + assert_equal(3, ActiveRecord::Migrator.current_version) + end + def test_schema_migrations_table_name ActiveRecord::Base.table_name_prefix = "prefix_" ActiveRecord::Base.table_name_suffix = "_suffix" |