Move the ActiveRecord related rake tasks into the AR gem.

2 files changed, 0 insertions, 470 deletions

diff --git a/railties/lib/rails/tasks.rb b/railties/lib/rails/tasks.rb
index dc886f4a4d..44c014efe8 100644
--- a/railties/lib/rails/tasks.rb
+++ b/railties/lib/rails/tasks.rb
@@ -3,7 +3,6 @@ $VERBOSE = nil
 # Load Rails rakefile extensions
 %w(
   annotations
-  databases
   documentation
   framework
   log
diff --git a/railties/lib/rails/tasks/databases.rake b/railties/lib/rails/tasks/databases.rake
deleted file mode 100644
index a35a6c156b..0000000000
--- a/railties/lib/rails/tasks/databases.rake
+++ /dev/null
@@ -1,469 +0,0 @@
-namespace :db do
-  task :load_config => :rails_env do
-    require 'active_record'
-    ActiveRecord::Base.configurations = Rails::Configuration.new.database_configuration
-  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
-    end
-  end
-
-  desc 'Create the database defined in config/database.yml for the current RAILS_ENV'
-  task :create => :load_config do
-    create_database(ActiveRecord::Base.configurations[RAILS_ENV])
-  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
-            $stderr.puts $!, *($!.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'
-        @charset   = ENV['CHARSET']   || 'utf8'
-        @collation = ENV['COLLATION'] || 'utf8_unicode_ci'
-        creation_options = {:charset => (config['charset'] || @charset), :collation => (config['collation'] || @collation)}
-        begin
-          ActiveRecord::Base.establish_connection(config.merge('database' => nil))
-          ActiveRecord::Base.connection.create_database(config['database'], creation_options)
-          ActiveRecord::Base.establish_connection(config)
-        rescue Mysql::Error => sqlerr
-          if sqlerr.errno == Mysql::Error::ER_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'], creation_options)
-            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
-          $stderr.puts $!, *($!.backtrace)
-          $stderr.puts "Couldn't create database for #{config.inspect}"
-        end
-      end
-    else
-      $stderr.puts "#{config['database']} already exists"
-    end
-  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
-          puts "Couldn't drop #{config['database']} : #{e.inspect}"
-        end
-      end
-    end
-  end
-
-  desc 'Drops the database for the current RAILS_ENV'
-  task :drop => :load_config do
-    config = ActiveRecord::Base.configurations[RAILS_ENV || 'development']
-    begin
-      drop_database(config)
-    rescue Exception => e
-      puts "Couldn't drop #{config['database']} : #{e.inspect}"
-    end
-  end
-
-  def local_database?(config, &block)
-    if %w( 127.0.0.1 localhost ).include?(config['host']) || config['host'].blank?
-      yield
-    else
-      puts "This task only modifies local databases. #{config['database']} is on a remote host."
-    end
-  end
-
-
-  desc "Migrate the database through scripts in db/migrate and update db/schema.rb by invoking db:schema:dump. Target specific version with VERSION=x. Turn off output with VERBOSE=false."
-  task :migrate => :environment do
-    ActiveRecord::Migration.verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] == "true" : true
-    ActiveRecord::Migrator.migrate("db/migrate/", ENV["VERSION"] ? ENV["VERSION"].to_i : nil)
-    Rake::Task["db:schema:dump"].invoke if ActiveRecord::Base.schema_format == :ruby
-  end
-
-  namespace :migrate do
-    desc  'Rollbacks the database one migration and re migrate up. If you want to rollback more than one step, define STEP=x. Target specific version with VERSION=x.'
-    task :redo => :environment do
-      if ENV["VERSION"]
-        Rake::Task["db:migrate:down"].invoke
-        Rake::Task["db:migrate:up"].invoke
-      else
-        Rake::Task["db:rollback"].invoke
-        Rake::Task["db:migrate"].invoke
-      end
-    end
-
-    desc 'Resets your database using your migrations for the current environment'
-    task :reset => ["db:drop", "db:create", "db:migrate"]
-
-    desc 'Runs the "up" for a given migration VERSION.'
-    task :up => :environment do
-      version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil
-      raise "VERSION is required" unless version
-      ActiveRecord::Migrator.run(:up, "db/migrate/", version)
-      Rake::Task["db:schema:dump"].invoke if ActiveRecord::Base.schema_format == :ruby
-    end
-
-    desc 'Runs the "down" for a given migration VERSION.'
-    task :down => :environment do
-      version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil
-      raise "VERSION is required" unless version
-      ActiveRecord::Migrator.run(:down, "db/migrate/", version)
-      Rake::Task["db:schema:dump"].invoke if ActiveRecord::Base.schema_format == :ruby
-    end
-  end
-
-  desc 'Rolls the schema back to the previous version. Specify the number of steps with STEP=n'
-  task :rollback => :environment do
-    step = ENV['STEP'] ? ENV['STEP'].to_i : 1
-    ActiveRecord::Migrator.rollback('db/migrate/', step)
-    Rake::Task["db:schema:dump"].invoke if ActiveRecord::Base.schema_format == :ruby
-  end
-
-  desc 'Pushes the schema to the next version. Specify the number of steps with STEP=n'
-  task :forward => :environment do
-    step = ENV['STEP'] ? ENV['STEP'].to_i : 1
-    ActiveRecord::Migrator.forward('db/migrate/', step)
-    Rake::Task["db:schema:dump"].invoke if ActiveRecord::Base.schema_format == :ruby
-  end
-
-  desc 'Drops and recreates the database from db/schema.rb for the current environment and loads the seeds.'
-  task :reset => [ 'db:drop', 'db:setup' ]
-
-  desc "Retrieves the charset for the current environment's database"
-  task :charset => :environment do
-    config = ActiveRecord::Base.configurations[RAILS_ENV || 'development']
-    case config['adapter']
-    when 'mysql'
-      ActiveRecord::Base.establish_connection(config)
-      puts ActiveRecord::Base.connection.charset
-    when 'postgresql'
-      ActiveRecord::Base.establish_connection(config)
-      puts ActiveRecord::Base.connection.encoding
-    else
-      puts 'sorry, your database adapter is not supported yet, feel free to submit a patch'
-    end
-  end
-
-  desc "Retrieves the collation for the current environment's database"
-  task :collation => :environment do
-    config = ActiveRecord::Base.configurations[RAILS_ENV || 'development']
-    case config['adapter']
-    when 'mysql'
-      ActiveRecord::Base.establish_connection(config)
-      puts ActiveRecord::Base.connection.collation
-    else
-      puts 'sorry, your database adapter is not supported yet, feel free to submit a patch'
-    end
-  end
-
-  desc "Retrieves the current schema version number"
-  task :version => :environment do
-    puts "Current version: #{ActiveRecord::Migrator.current_version}"
-  end
-
-  desc "Raises an error if there are pending migrations"
-  task :abort_if_pending_migrations => :environment do
-    if defined? ActiveRecord
-      pending_migrations = ActiveRecord::Migrator.new(:up, 'db/migrate').pending_migrations
-
-      if pending_migrations.any?
-        puts "You have #{pending_migrations.size} pending migrations:"
-        pending_migrations.each do |pending_migration|
-          puts '  %4d %s' % [pending_migration.version, pending_migration.name]
-        end
-        abort %{Run "rake db:migrate" to update your database then try again.}
-      end
-    end
-  end
-
-  desc 'Create the database, load the schema, and initialize with the seed data'
-  task :setup => [ 'db:create', 'db:schema:load', 'db:seed' ]
-
-  desc 'Load the seed data from db/seeds.rb'
-  task :seed => :environment do
-    seed_file = File.join(Rails.root, 'db', 'seeds.rb')
-    load(seed_file) if File.exist?(seed_file)
-  end
-
-  namespace :fixtures do
-    desc "Load fixtures into the current environment's database.  Load specific fixtures using FIXTURES=x,y. Load from subdirectory in test/fixtures using FIXTURES_DIR=z. Specify an alternative path (eg. spec/fixtures) using FIXTURES_PATH=spec/fixtures."
-    task :load => :environment do
-      require 'active_record/fixtures'
-      ActiveRecord::Base.establish_connection(Rails.env)
-      base_dir = ENV['FIXTURES_PATH'] ? File.join(Rails.root, ENV['FIXTURES_PATH']) : File.join(Rails.root, 'test', 'fixtures')
-      fixtures_dir = ENV['FIXTURES_DIR'] ? File.join(base_dir, ENV['FIXTURES_DIR']) : base_dir
-
-      (ENV['FIXTURES'] ? ENV['FIXTURES'].split(/,/).map {|f| File.join(fixtures_dir, f) } : Dir.glob(File.join(fixtures_dir, '*.{yml,csv}'))).each do |fixture_file|
-        Fixtures.create_fixtures(File.dirname(fixture_file), File.basename(fixture_file, '.*'))
-      end
-    end
-
-    desc "Search for a fixture given a LABEL or ID. Specify an alternative path (eg. spec/fixtures) using FIXTURES_PATH=spec/fixtures."
-    task :identify => :environment do
-      require "active_record/fixtures"
-
-      label, id = ENV["LABEL"], ENV["ID"]
-      raise "LABEL or ID required" if label.blank? && id.blank?
-
-      puts %Q(The fixture ID for "#{label}" is #{Fixtures.identify(label)}.) if label
-
-      base_dir = ENV['FIXTURES_PATH'] ? File.join(Rails.root, ENV['FIXTURES_PATH']) : File.join(Rails.root, 'test', 'fixtures')
-      Dir["#{base_dir}/**/*.yml"].each do |file|
-        if data = YAML::load(ERB.new(IO.read(file)).result)
-          data.keys.each do |key|
-            key_id = Fixtures.identify(key)
-
-            if key == label || key_id == id.to_i
-              puts "#{file}: #{key} (#{key_id})"
-            end
-          end
-        end
-      end
-    end
-  end
-
-  namespace :schema do
-    desc "Create a db/schema.rb file that can be portably used against any DB supported by AR"
-    task :dump => :environment do
-      require 'active_record/schema_dumper'
-      File.open(ENV['SCHEMA'] || "#{Rails.root}/db/schema.rb", "w") do |file|
-        ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, file)
-      end
-      Rake::Task["db:schema:dump"].reenable
-    end
-
-    desc "Load a schema.rb file into the database"
-    task :load => :environment do
-      file = ENV['SCHEMA'] || "#{Rails.root}/db/schema.rb"
-      if File.exists?(file)
-        load(file)
-      else
-        abort %{#{file} doesn't exist yet. Run "rake db:migrate" to create it then try again. If you do not intend to use a database, you should instead alter #{Rails.root}/config/application.rb to prevent active_record from loading: config.frameworks -= [ :active_record ]}
-      end
-    end
-  end
-
-  namespace :structure do
-    desc "Dump the database structure to a SQL file"
-    task :dump => :environment do
-      abcs = ActiveRecord::Base.configurations
-      case abcs[RAILS_ENV]["adapter"]
-      when "mysql", "oci", "oracle"
-        ActiveRecord::Base.establish_connection(abcs[RAILS_ENV])
-        File.open("#{Rails.root}/db/#{RAILS_ENV}_structure.sql", "w+") { |f| f << ActiveRecord::Base.connection.structure_dump }
-      when "postgresql"
-        ENV['PGHOST']     = abcs[RAILS_ENV]["host"] if abcs[RAILS_ENV]["host"]
-        ENV['PGPORT']     = abcs[RAILS_ENV]["port"].to_s if abcs[RAILS_ENV]["port"]
-        ENV['PGPASSWORD'] = abcs[RAILS_ENV]["password"].to_s if abcs[RAILS_ENV]["password"]
-        search_path = abcs[RAILS_ENV]["schema_search_path"]
-        unless search_path.blank?
-          search_path = search_path.split(",").map{|search_path| "--schema=#{search_path.strip}" }.join(" ")
-        end
-        `pg_dump -i -U "#{abcs[RAILS_ENV]["username"]}" -s -x -O -f db/#{RAILS_ENV}_structure.sql #{search_path} #{abcs[RAILS_ENV]["database"]}`
-        raise "Error dumping database" if $?.exitstatus == 1
-      when "sqlite", "sqlite3"
-        dbfile = abcs[RAILS_ENV]["database"] || abcs[RAILS_ENV]["dbfile"]
-        `#{abcs[RAILS_ENV]["adapter"]} #{dbfile} .schema > db/#{RAILS_ENV}_structure.sql`
-      when "sqlserver"
-        `scptxfr /s #{abcs[RAILS_ENV]["host"]} /d #{abcs[RAILS_ENV]["database"]} /I /f db\\#{RAILS_ENV}_structure.sql /q /A /r`
-        `scptxfr /s #{abcs[RAILS_ENV]["host"]} /d #{abcs[RAILS_ENV]["database"]} /I /F db\ /q /A /r`
-      when "firebird"
-        set_firebird_env(abcs[RAILS_ENV])
-        db_string = firebird_db_string(abcs[RAILS_ENV])
-        sh "isql -a #{db_string} > #{Rails.root}/db/#{RAILS_ENV}_structure.sql"
-      else
-        raise "Task not supported by '#{abcs["test"]["adapter"]}'"
-      end
-
-      if ActiveRecord::Base.connection.supports_migrations?
-        File.open("#{Rails.root}/db/#{RAILS_ENV}_structure.sql", "a") { |f| f << ActiveRecord::Base.connection.dump_schema_information }
-      end
-    end
-  end
-
-  namespace :test do
-    desc "Recreate the test database from the current schema.rb"
-    task :load => 'db:test:purge' do
-      ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations['test'])
-      ActiveRecord::Schema.verbose = false
-      Rake::Task["db:schema:load"].invoke
-    end
-
-    desc "Recreate the test database from the current environment's database schema"
-    task :clone => %w(db:schema:dump db:test:load)
-
-    desc "Recreate the test databases from the development structure"
-    task :clone_structure => [ "db:structure:dump", "db:test:purge" ] do
-      abcs = ActiveRecord::Base.configurations
-      case abcs["test"]["adapter"]
-      when "mysql"
-        ActiveRecord::Base.establish_connection(:test)
-        ActiveRecord::Base.connection.execute('SET foreign_key_checks = 0')
-        IO.readlines("#{Rails.root}/db/#{RAILS_ENV}_structure.sql").join.split("\n\n").each do |table|
-          ActiveRecord::Base.connection.execute(table)
-        end
-      when "postgresql"
-        ENV['PGHOST']     = abcs["test"]["host"] if abcs["test"]["host"]
-        ENV['PGPORT']     = abcs["test"]["port"].to_s if abcs["test"]["port"]
-        ENV['PGPASSWORD'] = abcs["test"]["password"].to_s if abcs["test"]["password"]
-        `psql -U "#{abcs["test"]["username"]}" -f #{Rails.root}/db/#{RAILS_ENV}_structure.sql #{abcs["test"]["database"]}`
-      when "sqlite", "sqlite3"
-        dbfile = abcs["test"]["database"] || abcs["test"]["dbfile"]
-        `#{abcs["test"]["adapter"]} #{dbfile} < #{Rails.root}/db/#{RAILS_ENV}_structure.sql`
-      when "sqlserver"
-        `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{RAILS_ENV}_structure.sql`
-      when "oci", "oracle"
-        ActiveRecord::Base.establish_connection(:test)
-        IO.readlines("#{Rails.root}/db/#{RAILS_ENV}_structure.sql").join.split(";\n\n").each do |ddl|
-          ActiveRecord::Base.connection.execute(ddl)
-        end
-      when "firebird"
-        set_firebird_env(abcs["test"])
-        db_string = firebird_db_string(abcs["test"])
-        sh "isql -i #{Rails.root}/db/#{RAILS_ENV}_structure.sql #{db_string}"
-      else
-        raise "Task not supported by '#{abcs["test"]["adapter"]}'"
-      end
-    end
-
-    desc "Empty the test database"
-    task :purge => :environment do
-      abcs = ActiveRecord::Base.configurations
-      case abcs["test"]["adapter"]
-      when "mysql"
-        ActiveRecord::Base.establish_connection(:test)
-        ActiveRecord::Base.connection.recreate_database(abcs["test"]["database"], abcs["test"])
-      when "postgresql"
-        ActiveRecord::Base.clear_active_connections!
-        drop_database(abcs['test'])
-        create_database(abcs['test'])
-      when "sqlite","sqlite3"
-        dbfile = abcs["test"]["database"] || abcs["test"]["dbfile"]
-        File.delete(dbfile) if File.exist?(dbfile)
-      when "sqlserver"
-        dropfkscript = "#{abcs["test"]["host"]}.#{abcs["test"]["database"]}.DP1".gsub(/\\/,'-')
-        `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{dropfkscript}`
-        `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{RAILS_ENV}_structure.sql`
-      when "oci", "oracle"
-        ActiveRecord::Base.establish_connection(:test)
-        ActiveRecord::Base.connection.structure_drop.split(";\n\n").each do |ddl|
-          ActiveRecord::Base.connection.execute(ddl)
-        end
-      when "firebird"
-        ActiveRecord::Base.establish_connection(:test)
-        ActiveRecord::Base.connection.recreate_database!
-      else
-        raise "Task not supported by '#{abcs["test"]["adapter"]}'"
-      end
-    end
-
-    desc 'Check for pending migrations and load the test schema'
-    task :prepare => 'db:abort_if_pending_migrations' do
-      if defined?(ActiveRecord) && !ActiveRecord::Base.configurations.blank?
-        Rake::Task[{ :sql  => "db:test:clone_structure", :ruby => "db:test:load" }[ActiveRecord::Base.schema_format]].invoke
-      end
-    end
-  end
-
-  namespace :sessions do
-    desc "Creates a sessions migration for use with ActiveRecord::SessionStore"
-    task :create => :environment do
-      raise "Task unavailable to this database (no migration support)" unless ActiveRecord::Base.connection.supports_migrations?
-      require 'rails/generators'
-      require 'rails/generators/rails/session_migration/session_migration_generator'
-      Rails::Generators::SessionMigrationGenerator.start [ ENV["MIGRATION"] || "add_sessions_table" ]
-    end
-
-    desc "Clear the sessions table"
-    task :clear => :environment do
-      ActiveRecord::Base.connection.execute "DELETE FROM #{session_table_name}"
-    end
-  end
-end
-
-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 session_table_name
-  ActiveRecord::SessionStore::Session.table_name
-end
-
-def set_firebird_env(config)
-  ENV["ISC_USER"]     = config["username"].to_s if config["username"]
-  ENV["ISC_PASSWORD"] = config["password"].to_s if config["password"]
-end
-
-def firebird_db_string(config)
-  FireRuby::Database.db_string_for(config.symbolize_keys)
-end