diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb index bcd3abc08d..3d0f146fed 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb @@ -46,9 +46,15 @@ module ActiveRecord # "database" => "path/to/dbfile" # ) # + # Or a URL: + # + # ActiveRecord::Base.establish_connection( + # "postgres://myuser:mypass@localhost/somedatabase" + # ) + # # The exceptions AdapterNotSpecified, AdapterNotFound and ArgumentError # may be returned on an error. - def self.establish_connection(spec = nil) + def self.establish_connection(spec = ENV["DATABASE_URL"]) case spec when nil raise AdapterNotSpecified unless defined?(Rails.env) @@ -58,6 +64,8 @@ module ActiveRecord when Symbol, String if configuration = configurations[spec.to_s] establish_connection(configuration) + elsif spec.is_a?(String) && hash = connection_url_to_hash(spec) + establish_connection(hash) else raise AdapterNotSpecified, "#{spec} database is not configured" end @@ -81,6 +89,24 @@ module ActiveRecord end end + def self.connection_url_to_hash(url) # :nodoc: + config = URI.parse url + adapter = config.scheme + adapter = "postgresql" if adapter == "postgres" + spec = { :adapter => adapter, + :username => config.user, + :password => config.password, + :port => config.port, + :database => config.path.sub(%r{^/},""), + :host => config.host } + spec.reject!{ |_,value| !value } + if config.query + options = Hash[config.query.split("&").map{ |pair| pair.split("=") }].symbolize_keys + spec.merge!(options) + end + spec + end + class << self # Returns the connection currently associated with the class. This can # also be used to "borrow" the connection to do database work unrelated @@ -89,6 +115,14 @@ module ActiveRecord retrieve_connection end + def connection_id + Thread.current['ActiveRecord::Base.connection_id'] + end + + def connection_id=(connection_id) + Thread.current['ActiveRecord::Base.connection_id'] = connection_id + end + # Returns the configuration of the associated connection as a hash: # # ActiveRecord::Base.connection_config @@ -100,7 +134,7 @@ module ActiveRecord end def connection_pool - connection_handler.retrieve_connection_pool(self) + connection_handler.retrieve_connection_pool(self) or raise ConnectionNotEstablished end def retrieve_connection |