diff options
Diffstat (limited to 'activerecord/lib')
6 files changed, 268 insertions, 156 deletions
diff --git a/activerecord/lib/active_record.rb b/activerecord/lib/active_record.rb index f8526bb691..8526e224da 100644 --- a/activerecord/lib/active_record.rb +++ b/activerecord/lib/active_record.rb @@ -137,6 +137,16 @@ module ActiveRecord end end + module Tasks + extend ActiveSupport::Autoload + + autoload :DatabaseTasks + autoload :SQLiteDatabaseTasks, 'active_record/tasks/sqlite_database_tasks' + autoload :MySQLDatabaseTasks, 'active_record/tasks/mysql_database_tasks' + autoload :PostgreSQLDatabaseTasks, + 'active_record/tasks/postgresql_database_tasks' + end + autoload :TestCase autoload :TestFixtures, 'active_record/fixtures' end diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index 7dad50bd7f..539836e9ed 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -14,138 +14,27 @@ db_namespace = namespace :db do end namespace :create do - # desc 'Create all the local databases defined in config/database.yml' task :all => :load_config do - ActiveRecord::Base.configurations.each_value do |config| - # Skip entries that don't have a database key, such as the first entry here: - # - # defaults: &defaults - # adapter: mysql - # username: root - # password: - # host: localhost - # - # development: - # database: blog_development - # *defaults - next unless config['database'] - # Only connect to local databases - local_database?(config) { create_database(config) } - end + ActiveRecord::Tasks::DatabaseTasks.create_all end end desc 'Create the database from config/database.yml for the current Rails.env (use db:create:all to create all dbs in the config)' task :create => :load_config do - configs_for_environment.each { |config| create_database(config) } - ActiveRecord::Base.establish_connection(configs_for_environment.first) - end - - def mysql_creation_options(config) - @charset = ENV['CHARSET'] || 'utf8' - @collation = ENV['COLLATION'] || 'utf8_unicode_ci' - {:charset => (config['charset'] || @charset), :collation => (config['collation'] || @collation)} - end - - def create_database(config) - begin - if config['adapter'] =~ /sqlite/ - if File.exist?(config['database']) - $stderr.puts "#{config['database']} already exists" - else - begin - # Create the SQLite database - ActiveRecord::Base.establish_connection(config) - ActiveRecord::Base.connection - rescue Exception => e - $stderr.puts e, *(e.backtrace) - $stderr.puts "Couldn't create database for #{config.inspect}" - end - end - return # Skip the else clause of begin/rescue - else - ActiveRecord::Base.establish_connection(config) - ActiveRecord::Base.connection - end - rescue - case config['adapter'] - when /mysql/ - if config['adapter'] =~ /jdbc/ - #FIXME After Jdbcmysql gives this class - require 'active_record/railties/jdbcmysql_error' - error_class = ArJdbcMySQL::Error - else - error_class = config['adapter'] =~ /mysql2/ ? Mysql2::Error : Mysql::Error - end - access_denied_error = 1045 - begin - ActiveRecord::Base.establish_connection(config.merge('database' => nil)) - ActiveRecord::Base.connection.create_database(config['database'], mysql_creation_options(config)) - ActiveRecord::Base.establish_connection(config) - rescue error_class => sqlerr - if sqlerr.errno == access_denied_error - print "#{sqlerr.error}. \nPlease provide the root password for your mysql installation\n>" - root_password = $stdin.gets.strip - grant_statement = "GRANT ALL PRIVILEGES ON #{config['database']}.* " \ - "TO '#{config['username']}'@'localhost' " \ - "IDENTIFIED BY '#{config['password']}' WITH GRANT OPTION;" - ActiveRecord::Base.establish_connection(config.merge( - 'database' => nil, 'username' => 'root', 'password' => root_password)) - ActiveRecord::Base.connection.create_database(config['database'], mysql_creation_options(config)) - ActiveRecord::Base.connection.execute grant_statement - ActiveRecord::Base.establish_connection(config) - else - $stderr.puts sqlerr.error - $stderr.puts "Couldn't create database for #{config.inspect}, charset: #{config['charset'] || @charset}, collation: #{config['collation'] || @collation}" - $stderr.puts "(if you set the charset manually, make sure you have a matching collation)" if config['charset'] - end - end - when /postgresql/ - @encoding = config['encoding'] || ENV['CHARSET'] || 'utf8' - begin - ActiveRecord::Base.establish_connection(config.merge('database' => 'postgres', 'schema_search_path' => 'public')) - ActiveRecord::Base.connection.create_database(config['database'], config.merge('encoding' => @encoding)) - ActiveRecord::Base.establish_connection(config) - rescue Exception => e - $stderr.puts e, *(e.backtrace) - $stderr.puts "Couldn't create database for #{config.inspect}" - end - end - else - $stderr.puts "#{config['database']} already exists" - end + ActiveRecord::Tasks::DatabaseTasks.create_current end namespace :drop do - # desc 'Drops all the local databases defined in config/database.yml' task :all => :load_config do - ActiveRecord::Base.configurations.each_value do |config| - # Skip entries that don't have a database key - next unless config['database'] - begin - # Only connect to local databases - local_database?(config) { drop_database(config) } - rescue Exception => e - $stderr.puts "Couldn't drop #{config['database']} : #{e.inspect}" - end - end + ActiveRecord::Tasks::DatabaseTasks.drop_all end end desc 'Drops the database for the current Rails.env (use db:drop:all to drop all databases)' task :drop => :load_config do - configs_for_environment.each { |config| drop_database_and_rescue(config) } - end - - def local_database?(config, &block) - if config['host'].in?(['127.0.0.1', 'localhost']) || config['host'].blank? - yield - else - $stderr.puts "This task only modifies local databases. #{config['database']} is on a remote host." - end + ActiveRecord::Tasks::DatabaseTasks.drop_current end - desc "Migrate the database (options: VERSION=x, VERBOSE=false)." task :migrate => [:environment, :load_config] do ActiveRecord::Migration.verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] == "true" : true @@ -509,16 +398,8 @@ db_namespace = namespace :db do task :purge => [:environment, :load_config] do abcs = ActiveRecord::Base.configurations case abcs['test']['adapter'] - when /mysql/ - ActiveRecord::Base.establish_connection(:test) - ActiveRecord::Base.connection.recreate_database(abcs['test']['database'], mysql_creation_options(abcs['test'])) - when /postgresql/ - ActiveRecord::Base.clear_active_connections! - drop_database(abcs['test']) - create_database(abcs['test']) - when /sqlite/ - dbfile = abcs['test']['database'] - File.delete(dbfile) if File.exist?(dbfile) + when /mysql/, /postgresql/, /sqlite/ + ActiveRecord::Tasks::DatabaseTasks.purge abcs['test'] when 'sqlserver' test = abcs.deep_dup['test'] test_database = test['database'] @@ -592,37 +473,6 @@ end task 'test:prepare' => 'db:test:prepare' -def drop_database(config) - case config['adapter'] - when /mysql/ - ActiveRecord::Base.establish_connection(config) - ActiveRecord::Base.connection.drop_database config['database'] - when /sqlite/ - require 'pathname' - path = Pathname.new(config['database']) - file = path.absolute? ? path.to_s : File.join(Rails.root, path) - - FileUtils.rm(file) - when /postgresql/ - ActiveRecord::Base.establish_connection(config.merge('database' => 'postgres', 'schema_search_path' => 'public')) - ActiveRecord::Base.connection.drop_database config['database'] - end -end - -def drop_database_and_rescue(config) - begin - drop_database(config) - rescue Exception => e - $stderr.puts "Couldn't drop #{config['database']} : #{e.inspect}" - end -end - -def configs_for_environment - environments = [Rails.env] - environments << 'test' if Rails.env.development? - ActiveRecord::Base.configurations.values_at(*environments).compact.reject { |config| config['database'].blank? } -end - def session_table_name ActiveRecord::SessionStore::Session.table_name end diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb new file mode 100644 index 0000000000..10cc679a05 --- /dev/null +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -0,0 +1,82 @@ +class ActiveRecord::Tasks::DatabaseTasks + TASKS_PATTERNS = { + /mysql/ => ActiveRecord::Tasks::MySQLDatabaseTasks, + /postgresql/ => ActiveRecord::Tasks::PostgreSQLDatabaseTasks, + /sqlite/ => ActiveRecord::Tasks::SQLiteDatabaseTasks + } + LOCAL_HOSTS = ['127.0.0.1', 'localhost'] + + def self.create(*arguments) + configuration = arguments.first + class_for_adapter(configuration['adapter']).new(*arguments).create + rescue Exception => error + $stderr.puts error, *(error.backtrace) + $stderr.puts "Couldn't create database for #{configuration.inspect}" + end + + def self.create_all + each_local_configuration { |configuration| create configuration } + end + + def self.create_current(environment = Rails.env) + each_current_configuration(environment) { |configuration| + create configuration + } + ActiveRecord::Base.establish_connection environment + end + + def self.drop(*arguments) + configuration = arguments.first + class_for_adapter(configuration['adapter']).new(*arguments).drop + rescue Exception => error + $stderr.puts error, *(error.backtrace) + $stderr.puts "Couldn't drop #{configuration['database']}" + end + + def self.drop_all + each_local_configuration { |configuration| drop configuration } + end + + def self.drop_current(environment = Rails.env) + each_current_configuration(environment) { |configuration| + drop configuration + } + end + + def self.purge(configuration) + class_for_adapter(configuration['adapter']).new(configuration).purge + end + + private + + def self.class_for_adapter(adapter) + key = TASKS_PATTERNS.keys.detect { |pattern| adapter[pattern] } + TASKS_PATTERNS[key] + end + + def self.each_current_configuration(environment) + environments = [environment] + environments << 'test' if environment.development? + + configurations = ActiveRecord::Base.configurations.values_at(*environments) + configurations.compact.each do |configuration| + yield configuration unless configuration['database'].blank? + end + end + + def self.each_local_configuration + ActiveRecord::Base.configurations.each_value do |configuration| + next unless configuration['database'] + + if local_database?(configuration) + yield configuration + else + $stderr.puts "This task only modifies local databases. #{configuration['database']} is on a remote host." + end + end + end + + def self.local_database?(configuration) + configuration['host'].in?(LOCAL_HOSTS) || configuration['host'].blank? + end +end diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb new file mode 100644 index 0000000000..eb598629fa --- /dev/null +++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb @@ -0,0 +1,88 @@ +class ActiveRecord::Tasks::MySQLDatabaseTasks + DEFAULT_CHARSET = ENV['CHARSET'] || 'utf8' + DEFAULT_COLLATION = ENV['COLLATION'] || 'utf8_unicode_ci' + ACCESS_DENIED_ERROR = 1045 + + delegate :connection, :establish_connection, :to => ActiveRecord::Base + + def initialize(configuration) + @configuration = configuration + end + + def create + establish_connection configuration_without_database + connection.create_database configuration['database'], creation_options + establish_connection configuration + rescue error_class => error + raise error unless error.errno == ACCESS_DENIED_ERROR + + $stdout.print error.error + establish_connection root_configuration_without_database + connection.create_database configuration['database'], creation_options + connection.execute grant_statement.gsub(/\s+/, ' ').strip + establish_connection configuration + rescue error_class => error + $stderr.puts error.error + $stderr.puts "Couldn't create database for #{configuration.inspect}, #{creation_options.inspect}" + $stderr.puts "(If you set the charset manually, make sure you have a matching collation)" if configuration['charset'] + end + + def drop + establish_connection configuration + connection.drop_database configuration['database'] + end + + def purge + establish_connection :test + connection.recreate_database configuration['database'], creation_options + end + + private + + def configuration + @configuration + end + + def configuration_without_database + configuration.merge('database' => nil) + end + + def creation_options + { + :charset => (configuration['charset'] || DEFAULT_CHARSET), + :collation => (configuration['collation'] || DEFAULT_COLLATION) + } + end + + def error_class + case configuration['adapter'] + when /jdbc/ + require 'active_record/railties/jdbcmysql_error' + ArJdbcMySQL::Error + when /mysql2/ + Mysql2::Error + else + Mysql::Error + end + end + + def grant_statement + <<-SQL +GRANT ALL PRIVILEGES ON #{configuration['database']}.* + TO '#{configuration['username']}'@'localhost' +IDENTIFIED BY '#{configuration['password']}' WITH GRANT OPTION; + SQL + end + + def root_configuration_without_database + configuration_without_database.merge( + 'username' => 'root', + 'password' => root_password + ) + end + + def root_password + $stdout.print "Please provide the root password for your mysql installation\n>" + $stdin.gets.strip + end +end diff --git a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb new file mode 100644 index 0000000000..331825d3ec --- /dev/null +++ b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb @@ -0,0 +1,45 @@ +class ActiveRecord::Tasks::PostgreSQLDatabaseTasks + DEFAULT_ENCODING = ENV['CHARSET'] || 'utf8' + + delegate :connection, :establish_connection, :clear_active_connections!, + :to => ActiveRecord::Base + + def initialize(configuration) + @configuration = configuration + end + + def create(master_established = false) + establish_master_connection unless master_established + connection.create_database configuration['database'], + configuration.merge('encoding' => encoding) + establish_connection configuration + end + + def drop + establish_master_connection + connection.drop_database configuration['database'] + end + + def purge + clear_active_connections! + drop + create true + end + + private + + def configuration + @configuration + end + + def encoding + configuration['encoding'] || DEFAULT_ENCODING + end + + def establish_master_connection + establish_connection configuration.merge( + 'database' => 'postgres', + 'schema_search_path' => 'public' + ) + end +end diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb new file mode 100644 index 0000000000..4d3cba8a50 --- /dev/null +++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb @@ -0,0 +1,37 @@ +class ActiveRecord::Tasks::SQLiteDatabaseTasks + delegate :connection, :establish_connection, :to => ActiveRecord::Base + + def initialize(configuration, root = Rails.root) + @configuration, @root = configuration, root + end + + def create + if File.exist? configuration['database'] + $stderr.puts "#{configuration['database']} already exists" + return + end + + establish_connection configuration + connection + end + + def drop + require 'pathname' + path = Pathname.new configuration['database'] + file = path.absolute? ? path.to_s : File.join(root, path) + + FileUtils.rm(file) + end + + alias :purge :drop + + private + + def configuration + @configuration + end + + def root + @root + end +end |