diff options
Diffstat (limited to 'activerecord/lib/active_record/core.rb')
| -rw-r--r-- | activerecord/lib/active_record/core.rb | 144 |
1 files changed, 71 insertions, 73 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index f97c363871..b21765aa75 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -4,73 +4,6 @@ require 'thread' module ActiveRecord ActiveSupport.on_load(:active_record_config) do - ## - # :singleton-method: - # - # Accepts a logger conforming to the interface of Log4r which is then - # passed on to any new database connections made and which can be - # retrieved on both a class and instance level by calling +logger+. - mattr_accessor :logger, instance_accessor: false - - ## - # :singleton-method: - # Contains the database configuration - as is typically stored in config/database.yml - - # as a Hash. - # - # For example, the following database.yml... - # - # development: - # adapter: sqlite3 - # database: db/development.sqlite3 - # - # production: - # adapter: sqlite3 - # database: db/production.sqlite3 - # - # ...would result in ActiveRecord::Base.configurations to look like this: - # - # { - # 'development' => { - # 'adapter' => 'sqlite3', - # 'database' => 'db/development.sqlite3' - # }, - # 'production' => { - # 'adapter' => 'sqlite3', - # 'database' => 'db/production.sqlite3' - # } - # } - mattr_accessor :configurations, instance_accessor: false - self.configurations = {} - - ## - # :singleton-method: - # Determines whether to use Time.utc (using :utc) or Time.local (using :local) when pulling - # dates and times from the database. This is set to :utc by default. - mattr_accessor :default_timezone, instance_accessor: false - self.default_timezone = :utc - - ## - # :singleton-method: - # Specifies the format to use when dumping the database schema with Rails' - # Rakefile. If :sql, the schema is dumped as (potentially database- - # specific) SQL statements. If :ruby, the schema is dumped as an - # ActiveRecord::Schema file which can be loaded into any database that - # supports migrations. Use :ruby if you want to have different database - # adapters for, e.g., your development and test environments. - mattr_accessor :schema_format, instance_accessor: false - self.schema_format = :ruby - - ## - # :singleton-method: - # Specify whether or not to use timestamps for migration versions - mattr_accessor :timestamped_migrations, instance_accessor: false - self.timestamped_migrations = true - - mattr_accessor :connection_handler, instance_accessor: false - self.connection_handler = ConnectionAdapters::ConnectionHandler.new - - mattr_accessor :dependent_restrict_raises, instance_accessor: false - self.dependent_restrict_raises = true end module Core @@ -79,12 +12,71 @@ module ActiveRecord included do ## # :singleton-method: - # The connection handler - config_attribute :connection_handler + # + # Accepts a logger conforming to the interface of Log4r which is then + # passed on to any new database connections made and which can be + # retrieved on both a class and instance level by calling +logger+. + mattr_accessor :logger, instance_writer: false - %w(logger configurations default_timezone schema_format timestamped_migrations).each do |name| - config_attribute name, global: true - end + ## + # :singleton-method: + # Contains the database configuration - as is typically stored in config/database.yml - + # as a Hash. + # + # For example, the following database.yml... + # + # development: + # adapter: sqlite3 + # database: db/development.sqlite3 + # + # production: + # adapter: sqlite3 + # database: db/production.sqlite3 + # + # ...would result in ActiveRecord::Base.configurations to look like this: + # + # { + # 'development' => { + # 'adapter' => 'sqlite3', + # 'database' => 'db/development.sqlite3' + # }, + # 'production' => { + # 'adapter' => 'sqlite3', + # 'database' => 'db/production.sqlite3' + # } + # } + mattr_accessor :configurations, instance_writer: false + self.configurations = {} + + ## + # :singleton-method: + # Determines whether to use Time.utc (using :utc) or Time.local (using :local) when pulling + # dates and times from the database. This is set to :utc by default. + mattr_accessor :default_timezone, instance_writer: false + self.default_timezone = :utc + + ## + # :singleton-method: + # Specifies the format to use when dumping the database schema with Rails' + # Rakefile. If :sql, the schema is dumped as (potentially database- + # specific) SQL statements. If :ruby, the schema is dumped as an + # ActiveRecord::Schema file which can be loaded into any database that + # supports migrations. Use :ruby if you want to have different database + # adapters for, e.g., your development and test environments. + mattr_accessor :schema_format, instance_writer: false + self.schema_format = :ruby + + ## + # :singleton-method: + # Specify whether or not to use timestamps for migration versions + mattr_accessor :timestamped_migrations, instance_writer: false + self.timestamped_migrations = true + + class_attribute :connection_handler, instance_writer: false + self.connection_handler = ConnectionAdapters::ConnectionHandler.new + + mattr_accessor :dependent_restrict_raises, instance_writer: false + self.dependent_restrict_raises = true end module ClassMethods @@ -139,7 +131,13 @@ module ActiveRecord # Returns the Arel engine. def arel_engine - @arel_engine ||= connection_handler.retrieve_connection_pool(self) ? self : active_record_super.arel_engine + @arel_engine ||= begin + if Base == self || connection_handler.retrieve_connection_pool(self) + self + else + superclass.arel_engine + end + end end private |