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author | Carl Lerche <carllerche@mac.com> | 2009-12-28 17:37:18 -0800 |
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committer | Carl Lerche <carllerche@mac.com> | 2009-12-28 17:53:05 -0800 |
commit | 49c800b6bdf10af4e3f07eee33c4e6d23e7a946d (patch) | |
tree | 47104f52097eba76e97ef078d253788b9f3293bf /railties/lib/rails/tasks | |
parent | d747b6847ba6e3770986e445f7365efae6077df3 (diff) | |
download | rails-49c800b6bdf10af4e3f07eee33c4e6d23e7a946d.tar.gz rails-49c800b6bdf10af4e3f07eee33c4e6d23e7a946d.tar.bz2 rails-49c800b6bdf10af4e3f07eee33c4e6d23e7a946d.zip |
Move the ActiveRecord related rake tasks into the AR gem.
Diffstat (limited to 'railties/lib/rails/tasks')
-rw-r--r-- | railties/lib/rails/tasks/databases.rake | 469 |
1 files changed, 0 insertions, 469 deletions
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 |