diff options
Diffstat (limited to 'activerecord/lib/active_record/railties/databases.rake')
| -rw-r--r-- | activerecord/lib/active_record/railties/databases.rake | 357 |
1 files changed, 90 insertions, 267 deletions
diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index 822b51e838..ae24542521 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -1,8 +1,7 @@ -require 'active_support/core_ext/object/inclusion' require 'active_record' db_namespace = namespace :db do - task :load_config => :rails_env do + task :load_config do ActiveRecord::Base.configurations = Rails.application.config.database_configuration ActiveRecord::Migrator.migrations_paths = Rails.application.paths['db/migrate'].to_a @@ -14,139 +13,28 @@ 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 + task :create => [:load_config] do + 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 - $stderr.puts "This task only modifies local databases. #{config['database']} is on a remote host." - end + task :drop => [:load_config] do + ActiveRecord::Tasks::DatabaseTasks.drop_current end - - desc "Migrate the database (options: VERSION=x, VERBOSE=false)." + desc "Migrate the database (options: VERSION=x, VERBOSE=false, SCOPE=blog)." task :migrate => [:environment, :load_config] do ActiveRecord::Migration.verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] == "true" : true ActiveRecord::Migrator.migrate(ActiveRecord::Migrator.migrations_paths, ENV["VERSION"] ? ENV["VERSION"].to_i : nil) do |migration| @@ -162,6 +50,9 @@ db_namespace = namespace :db do else raise "unknown schema format #{ActiveRecord::Base.schema_format}" end + # Allow this task to be called as many times as required. An example is the + # migrate:redo task, which calls other two internally that depend on this one. + db_namespace['_dump'].reenable end namespace :migrate do @@ -197,18 +88,19 @@ db_namespace = namespace :db do desc 'Display status of migrations' task :status => [:environment, :load_config] do - config = ActiveRecord::Base.configurations[Rails.env || 'development'] + config = ActiveRecord::Base.configurations[Rails.env] ActiveRecord::Base.establish_connection(config) unless ActiveRecord::Base.connection.table_exists?(ActiveRecord::Migrator.schema_migrations_table_name) puts 'Schema migrations table does not exist yet.' next # means "return" for rake task end db_list = ActiveRecord::Base.connection.select_values("SELECT version FROM #{ActiveRecord::Migrator.schema_migrations_table_name}") + db_list.map! { |version| "%.3d" % version } file_list = [] ActiveRecord::Migrator.migrations_paths.each do |path| Dir.foreach(path) do |file| - # only files matching "20091231235959_some_name.rb" pattern - if match_data = /^(\d{14})_(.+)\.rb$/.match(file) + # match "20091231235959_some_name.rb" and "001_some_name.rb" pattern + if match_data = /^(\d{3,})_(.+)\.rb$/.match(file) status = db_list.delete(match_data[1]) ? 'up' : 'down' file_list << [status, match_data[1], match_data[2].humanize] end @@ -243,48 +135,32 @@ db_namespace = namespace :db do end # desc 'Drops and recreates the database from db/schema.rb for the current environment and loads the seeds.' - task :reset => :environment do + task :reset => [:environment, :load_config] do db_namespace["drop"].invoke db_namespace["setup"].invoke end # 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 - when /sqlite/ - ActiveRecord::Base.establish_connection(config) - puts ActiveRecord::Base.connection.encoding - else - $stderr.puts 'sorry, your database adapter is not supported yet, feel free to submit a patch' - end + task :charset => [:environment, :load_config] do + puts ActiveRecord::Tasks::DatabaseTasks.charset_current 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 - $stderr.puts 'sorry, your database adapter is not supported yet, feel free to submit a patch' + task :collation => [:environment, :load_config] do + begin + puts ActiveRecord::Tasks::DatabaseTasks.collation_current + rescue NoMethodError + $stderr.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 + task :version => [:environment, :load_config] 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 + task :abort_if_pending_migrations => [:environment, :load_config] do pending_migrations = ActiveRecord::Migrator.new(:up, ActiveRecord::Migrator.migrations_paths).pending_migrations if pending_migrations.any? @@ -307,20 +183,20 @@ db_namespace = namespace :db do 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 + task :load => [:environment, :load_config] do require 'active_record/fixtures' ActiveRecord::Base.establish_connection(Rails.env) base_dir = File.join [Rails.root, ENV['FIXTURES_PATH'] || %w{test fixtures}].flatten fixtures_dir = File.join [base_dir, ENV['FIXTURES_DIR']].compact - (ENV['FIXTURES'] ? ENV['FIXTURES'].split(/,/) : Dir["#{fixtures_dir}/**/*.{yml,csv}"].map {|f| f[(fixtures_dir.size + 1)..-5] }).each do |fixture_file| + (ENV['FIXTURES'] ? ENV['FIXTURES'].split(/,/) : Dir["#{fixtures_dir}/**/*.yml"].map {|f| f[(fixtures_dir.size + 1)..-5] }).each do |fixture_file| ActiveRecord::Fixtures.create_fixtures(fixtures_dir, 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 + task :identify => [:environment, :load_config] do require 'active_record/fixtures' label, id = ENV['LABEL'], ENV['ID'] @@ -356,7 +232,7 @@ db_namespace = namespace :db do end desc 'Load a schema.rb file into the database' - task :load => :environment do + task :load => [:environment, :load_config] do file = ENV['SCHEMA'] || "#{Rails.root}/db/schema.rb" if File.exists?(file) load(file) @@ -365,31 +241,50 @@ db_namespace = namespace :db do end end - task :load_if_ruby => 'db:create' do + task :load_if_ruby => [:environment, 'db:create'] do db_namespace["schema:load"].invoke if ActiveRecord::Base.schema_format == :ruby end + + namespace :cache do + desc 'Create a db/schema_cache.dump file.' + task :dump => [:environment, :load_config] do + con = ActiveRecord::Base.connection + filename = File.join(Rails.application.config.paths["db"].first, "schema_cache.dump") + + con.schema_cache.clear! + con.tables.each { |table| con.schema_cache.add(table) } + open(filename, 'wb') { |f| f.write(Marshal.dump(con.schema_cache)) } + end + + desc 'Clear a db/schema_cache.dump file.' + task :clear => [:environment, :load_config] do + filename = File.join(Rails.application.config.paths["db"].first, "schema_cache.dump") + FileUtils.rm(filename) if File.exists?(filename) + end + end + end namespace :structure do + 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 + desc 'Dump the database structure to db/structure.sql. Specify another file with DB_STRUCTURE=db/my_structure.sql' - task :dump => :environment do + task :dump => [:environment, :load_config] do abcs = ActiveRecord::Base.configurations filename = ENV['DB_STRUCTURE'] || File.join(Rails.root, "db", "structure.sql") case abcs[Rails.env]['adapter'] - when /mysql/, 'oci', 'oracle' + when /mysql/, /postgresql/, /sqlite/ + ActiveRecord::Tasks::DatabaseTasks.structure_dump(abcs[Rails.env], filename) + when 'oci', 'oracle' ActiveRecord::Base.establish_connection(abcs[Rails.env]) File.open(filename, "w:utf-8") { |f| f << ActiveRecord::Base.connection.structure_dump } - when /postgresql/ - set_psql_env(abcs[Rails.env]) - search_path = abcs[Rails.env]['schema_search_path'] - unless search_path.blank? - search_path = search_path.split(",").map{|search_path_part| "--schema=#{search_path_part.strip}" }.join(" ") - end - `pg_dump -i -s -x -O -f #{filename} #{search_path} #{abcs[Rails.env]['database']}` - raise 'Error dumping database' if $?.exitstatus == 1 - when /sqlite/ - dbfile = abcs[Rails.env]['database'] - `sqlite3 #{dbfile} .schema > #{filename}` when 'sqlserver' `smoscript -s #{abcs[Rails.env]['host']} -d #{abcs[Rails.env]['database']} -u #{abcs[Rails.env]['username']} -p #{abcs[Rails.env]['password']} -f #{filename} -A -U` when "firebird" @@ -403,6 +298,7 @@ db_namespace = namespace :db do if ActiveRecord::Base.connection.supports_migrations? File.open(filename, "a") { |f| f << ActiveRecord::Base.connection.dump_schema_information } end + db_namespace['structure:dump'].reenable end # desc "Recreate the databases from the structure.sql file" @@ -412,18 +308,8 @@ db_namespace = namespace :db do abcs = ActiveRecord::Base.configurations filename = ENV['DB_STRUCTURE'] || File.join(Rails.root, "db", "structure.sql") case abcs[env]['adapter'] - when /mysql/ - ActiveRecord::Base.establish_connection(abcs[env]) - ActiveRecord::Base.connection.execute('SET foreign_key_checks = 0') - IO.read(filename).split("\n\n").each do |table| - ActiveRecord::Base.connection.execute(table) - end - when /postgresql/ - set_psql_env(abcs[env]) - `psql -f "#{filename}" #{abcs[env]['database']} #{abcs[env]['template']}` - when /sqlite/ - dbfile = abcs[env]['database'] - `sqlite3 #{dbfile} < "#{filename}"` + when /mysql/, /postgresql/, /sqlite/ + ActiveRecord::Tasks::DatabaseTasks.structure_load(abcs[env], filename) when 'sqlserver' `sqlcmd -S #{abcs[env]['host']} -d #{abcs[env]['database']} -U #{abcs[env]['username']} -P #{abcs[env]['password']} -i #{filename}` when 'oci', 'oracle' @@ -440,7 +326,7 @@ db_namespace = namespace :db do end end - task :load_if_sql => 'db:create' do + task :load_if_sql => [:environment, 'db:create'] do db_namespace["structure:load"].invoke if ActiveRecord::Base.schema_format == :sql end end @@ -454,7 +340,14 @@ db_namespace = namespace :db do db_namespace["test:load_schema"].invoke when :sql db_namespace["test:load_structure"].invoke - end + end + end + + # desc "Recreate the test database from an existent schema.rb file" + task :load_schema => 'db:test:purge' do + ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations['test']) + ActiveRecord::Schema.verbose = false + db_namespace["schema:load"].invoke end # desc "Recreate the test database from an existent structure.sql file" @@ -467,33 +360,28 @@ db_namespace = namespace :db do end end - # desc "Recreate the test database from an existent schema.rb file" - task :load_schema => 'db:test:purge' do - ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations['test']) - ActiveRecord::Schema.verbose = false - db_namespace["schema:load"].invoke + # desc "Recreate the test database from a fresh schema" + task :clone do + case ActiveRecord::Base.schema_format + when :ruby + db_namespace["test:clone_schema"].invoke + when :sql + db_namespace["test:clone_structure"].invoke + end end # desc "Recreate the test database from a fresh schema.rb file" - task :clone => %w(db:schema:dump db:test:load_schema) + task :clone_schema => ["db:schema:dump", "db:test:load_schema"] # desc "Recreate the test database from a fresh structure.sql file" task :clone_structure => [ "db:structure:dump", "db:test:load_structure" ] # desc "Empty the test database" - task :purge => :environment 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'] @@ -516,25 +404,10 @@ db_namespace = namespace :db do # desc 'Check for pending migrations and load the test schema' task :prepare => 'db:abort_if_pending_migrations' do unless ActiveRecord::Base.configurations.blank? - db_namespace[{ :sql => 'test:clone_structure', :ruby => 'test:load' }[ActiveRecord::Base.schema_format]].invoke + db_namespace['test:load'].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? - Rails.application.load_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 namespace :railties do @@ -542,8 +415,8 @@ namespace :railties do # desc "Copies missing migrations from Railties (e.g. engines). You can specify Railties to use with FROM=railtie1,railtie2" task :migrations => :'db:load_config' do to_load = ENV['FROM'].blank? ? :all : ENV['FROM'].split(",").map {|n| n.strip } - railties = ActiveSupport::OrderedHash.new - Rails.application.railties.all do |railtie| + railties = {} + Rails.application.railties.each do |railtie| next unless to_load == :all || to_load.include?(railtie.railtie_name) if railtie.respond_to?(:paths) && (path = railtie.paths['db/migrate'].first) @@ -559,7 +432,7 @@ namespace :railties do puts "Copied migration #{migration.basename} from #{name}" end - ActiveRecord::Migration.copy( ActiveRecord::Migrator.migrations_paths.first, railties, + ActiveRecord::Migration.copy(ActiveRecord::Migrator.migrations_paths.first, railties, :on_skip => on_skip, :on_copy => on_copy) end end @@ -567,53 +440,3 @@ 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 - -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 - -def set_psql_env(config) - ENV['PGHOST'] = config['host'] if config['host'] - ENV['PGPORT'] = config['port'].to_s if config['port'] - ENV['PGPASSWORD'] = config['password'].to_s if config['password'] - ENV['PGUSER'] = config['username'].to_s if config['username'] -end |