diff options
Diffstat (limited to 'activerecord/lib')
8 files changed, 90 insertions, 64 deletions
diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index 2a97d0ed31..79c3d2b0f5 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -124,7 +124,7 @@ module ActiveRecord def inverse_updates_counter_named?(counter_name, reflection = reflection()) reflection.klass._reflections.values.any? { |inverse_reflection| - :belongs_to == inverse_reflection.macro && + inverse_reflection.belongs_to? && inverse_reflection.counter_cache_column == counter_name } end diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb index 719eff9acc..a9d1099871 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -37,14 +37,9 @@ module ActiveRecord table = tables.shift klass = reflection.klass - case reflection.source_macro - when :belongs_to - key = reflection.association_primary_key - foreign_key = reflection.foreign_key - else - key = reflection.foreign_key - foreign_key = reflection.active_record_primary_key - end + join_keys = reflection.join_keys(klass) + key = join_keys.key + foreign_key = join_keys.foreign_key constraint = build_constraint(klass, table, key, foreign_table, foreign_key) diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index cb75070e3a..a5fa9d6adc 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -462,23 +462,44 @@ module ActiveRecord # # For example, suppose that you have 5 models, with the following hierarchy: # - # | - # +-- Book - # | | - # | +-- ScaryBook - # | +-- GoodBook - # +-- Author - # +-- BankAccount + # class Author < ActiveRecord::Base + # end # - # Suppose that Book is to connect to a separate database (i.e. one other - # than the default database). Then Book, ScaryBook and GoodBook will all use - # the same connection pool. Likewise, Author and BankAccount will use the - # same connection pool. However, the connection pool used by Author/BankAccount - # is not the same as the one used by Book/ScaryBook/GoodBook. + # class BankAccount < ActiveRecord::Base + # end # - # Normally there is only a single ConnectionHandler instance, accessible via - # ActiveRecord::Base.connection_handler. Active Record models use this to - # determine the connection pool that they should use. + # class Book < ActiveRecord::Base + # establish_connection "library_db" + # end + # + # class ScaryBook < Book + # end + # + # class GoodBook < Book + # end + # + # And a database.yml that looked like this: + # + # development: + # database: my_application + # host: localhost + # + # library_db: + # database: library + # host: some.library.org + # + # Your primary database in the development environment is "my_application" + # but the Book model connects to a separate database called "library_db" + # (this can even be a database on a different machine). + # + # Book, ScaryBook and GoodBook will all use the same connection pool to + # "library_db" while Author, BankAccount, and any other models you create + # will use the default connection pool to "my_application". + # + # The various connection pools are managed by a single instance of + # ConnectionHandler accessible via ActiveRecord::Base.connection_handler. + # All Active Record models use this handler to determine the connection pool that they + # should use. class ConnectionHandler def initialize # These caches are keyed by klass.name, NOT klass. Keying them by klass diff --git a/activerecord/lib/active_record/counter_cache.rb b/activerecord/lib/active_record/counter_cache.rb index a33c7c64a7..f0b6afc4b4 100644 --- a/activerecord/lib/active_record/counter_cache.rb +++ b/activerecord/lib/active_record/counter_cache.rb @@ -34,7 +34,7 @@ module ActiveRecord foreign_key = has_many_association.foreign_key.to_s child_class = has_many_association.klass - reflection = child_class._reflections.values.find { |e| :belongs_to == e.macro && e.foreign_key.to_s == foreign_key && e.options[:counter_cache].present? } + reflection = child_class._reflections.values.find { |e| e.belongs_to? && e.foreign_key.to_s == foreign_key && e.options[:counter_cache].present? } counter_name = reflection.counter_cache_column stmt = unscoped.where(arel_table[primary_key].eq(object.id)).arel.compile_update({ diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index e94b6ae9eb..7c4dad21a0 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -814,22 +814,22 @@ module ActiveRecord migrations = migrations(migrations_paths) migrations.select! { |m| yield m } if block_given? - self.new(:up, migrations, target_version).migrate + new(:up, migrations, target_version).migrate end def down(migrations_paths, target_version = nil, &block) migrations = migrations(migrations_paths) migrations.select! { |m| yield m } if block_given? - self.new(:down, migrations, target_version).migrate + new(:down, migrations, target_version).migrate end def run(direction, migrations_paths, target_version) - self.new(direction, migrations(migrations_paths), target_version).run + new(direction, migrations(migrations_paths), target_version).run end def open(migrations_paths) - self.new(:up, migrations(migrations_paths), nil) + new(:up, migrations(migrations_paths), nil) end def schema_migrations_table_name @@ -892,7 +892,7 @@ module ActiveRecord private def move(direction, migrations_paths, steps) - migrator = self.new(direction, migrations(migrations_paths)) + migrator = new(direction, migrations(migrations_paths)) start_index = migrator.migrations.index(migrator.current_migration) if start_index diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index fa94df7a52..ac385817e4 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -41,10 +41,7 @@ db_namespace = namespace :db do desc "Migrate the database (options: VERSION=x, VERBOSE=false, SCOPE=blog)." task :migrate => [:environment, :load_config] do - ActiveRecord::Migration.verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] == "true" : true - ActiveRecord::Migrator.migrate(ActiveRecord::Migrator.migrations_paths, ENV["VERSION"] ? ENV["VERSION"].to_i : nil) do |migration| - ENV["SCOPE"].blank? || (ENV["SCOPE"] == migration.scope) - end + ActiveRecord::Tasks::DatabaseTasks.migrate db_namespace['_dump'].invoke if ActiveRecord::Base.dump_schema_after_migration end diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 1672128aa3..575e588f35 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -149,19 +149,10 @@ module ActiveRecord JoinKeys = Struct.new(:key, :foreign_key) # :nodoc: def join_keys(assoc_klass) - if source_macro == :belongs_to - if polymorphic? - reflection_key = association_primary_key(assoc_klass) - else - reflection_key = association_primary_key - end - reflection_foreign_key = foreign_key - else - reflection_foreign_key = active_record_primary_key - reflection_key = foreign_key - end - JoinKeys.new(reflection_key, reflection_foreign_key) + JoinKeys.new(foreign_key, active_record_primary_key) end + + def source_macro; macro; end end # Base class for AggregateReflection and AssociationReflection. Objects of # AggregateReflection and AssociationReflection are returned by the Reflection::ClassMethods. @@ -354,9 +345,8 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end alias :check_eager_loadable! :check_preloadable! - def join_id_for(owner) #:nodoc: - key = (source_macro == :belongs_to) ? foreign_key : active_record_primary_key - owner[key] + def join_id_for(owner) # :nodoc: + owner[active_record_primary_key] end def through_reflection @@ -383,8 +373,6 @@ Joining, Preloading and eager loading of these associations is deprecated and wi scope ? [[scope]] : [[]] end - def source_macro; macro; end - def has_inverse? inverse_name end @@ -431,14 +419,10 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end # Returns +true+ if +self+ is a +belongs_to+ reflection. - def belongs_to? - macro == :belongs_to - end + def belongs_to?; false; end # Returns +true+ if +self+ is a +has_one+ reflection. - def has_one? - macro == :has_one - end + def has_one?; false; end def association_class case macro @@ -578,35 +562,46 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end end - class HasManyReflection < AssociationReflection #:nodoc: + class HasManyReflection < AssociationReflection # :nodoc: def initialize(name, scope, options, active_record) super(name, scope, options, active_record) end def macro; :has_many; end - def collection? - true - end + def collection?; true; end end - class HasOneReflection < AssociationReflection #:nodoc: + class HasOneReflection < AssociationReflection # :nodoc: def initialize(name, scope, options, active_record) super(name, scope, options, active_record) end def macro; :has_one; end + + def has_one?; true; end end - class BelongsToReflection < AssociationReflection #:nodoc: + class BelongsToReflection < AssociationReflection # :nodoc: def initialize(name, scope, options, active_record) super(name, scope, options, active_record) end def macro; :belongs_to; end + + def belongs_to?; true; end + + def join_keys(assoc_klass) + key = polymorphic? ? association_primary_key(assoc_klass) : association_primary_key + JoinKeys.new(key, foreign_key) + end + + def join_id_for(owner) # :nodoc: + owner[foreign_key] + end end - class HasAndBelongsToManyReflection < AssociationReflection #:nodoc: + class HasAndBelongsToManyReflection < AssociationReflection # :nodoc: def initialize(name, scope, options, active_record) super end @@ -737,6 +732,10 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end end + def join_keys(assoc_klass) + source_reflection.join_keys(assoc_klass) + end + # The macro used by the source association def source_macro source_reflection.source_macro @@ -804,6 +803,10 @@ directive on your declaration like: through_reflection.options end + def join_id_for(owner) # :nodoc: + source_reflection.join_id_for(owner) + end + def check_validity! if through_reflection.nil? raise HasManyThroughAssociationNotFoundError.new(active_record.name, self) diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb index b7315ed4b3..72e0cf3723 100644 --- a/activerecord/lib/active_record/tasks/database_tasks.rb +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -127,6 +127,16 @@ module ActiveRecord } end + def migrate + verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] == "true" : true + version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil + scope = ENV['SCOPE'] + Migration.verbose = verbose + Migrator.migrate(Migrator.migrations_paths, version) do |migration| + scope.blank? || scope == migration.scope + end + end + def charset_current(environment = env) charset ActiveRecord::Base.configurations[environment] end |