diff options
Diffstat (limited to 'vendor/rails-2.0.2/railties/lib/tasks/databases.rake')
-rw-r--r-- | vendor/rails-2.0.2/railties/lib/tasks/databases.rake | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/vendor/rails-2.0.2/railties/lib/tasks/databases.rake b/vendor/rails-2.0.2/railties/lib/tasks/databases.rake new file mode 100644 index 000000000..2ecd09af2 --- /dev/null +++ b/vendor/rails-2.0.2/railties/lib/tasks/databases.rake @@ -0,0 +1,363 @@ +namespace :db do + namespace :create do + desc 'Create all the local databases defined in config/database.yml' + task :all => :environment 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 + if %w( 127.0.0.1 localhost ).include?(config['host']) || config['host'].blank? + create_database(config) + else + p "This task only creates local databases. #{config['database']} is on a remote host." + end + end + end + end + + desc 'Create the database defined in config/database.yml for the current RAILS_ENV' + task :create => :environment do + create_database(ActiveRecord::Base.configurations[RAILS_ENV]) + end + + def create_database(config) + begin + ActiveRecord::Base.establish_connection(config) + ActiveRecord::Base.connection + rescue + case config['adapter'] + when 'mysql' + @charset = ENV['CHARSET'] || 'utf8' + @collation = ENV['COLLATION'] || 'utf8_general_ci' + begin + ActiveRecord::Base.establish_connection(config.merge({'database' => nil})) + ActiveRecord::Base.connection.create_database(config['database'], {:charset => @charset, :collation => @collation}) + ActiveRecord::Base.establish_connection(config) + rescue + $stderr.puts "Couldn't create database for #{config.inspect}" + end + when 'postgresql' + `createdb "#{config['database']}" -E utf8` + when 'sqlite' + `sqlite "#{config['database']}"` + when 'sqlite3' + `sqlite3 "#{config['database']}"` + end + else + p "#{config['database']} already exists" + end + end + + namespace :drop do + desc 'Drops all the local databases defined in config/database.yml' + task :all => :environment do + ActiveRecord::Base.configurations.each_value do |config| + # Skip entries that don't have a database key + next unless config['database'] + # Only connect to local databases + if config['host'] == 'localhost' || config['host'].blank? + drop_database(config) + else + p "This task only drops local databases. #{config['database']} is on a remote host." + end + end + end + end + + desc 'Drops the database for the current RAILS_ENV' + task :drop => :environment do + drop_database(ActiveRecord::Base.configurations[RAILS_ENV || 'development']) + end + + desc "Migrate the database through scripts in db/migrate. 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' + task :redo => [ 'db:rollback', 'db:migrate' ] + + desc 'Resets your database using your migrations for the current environment' + task :reset => ["db:drop", "db:create", "db:migrate"] + 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 + version = ActiveRecord::Migrator.current_version - step + ActiveRecord::Migrator.migrate('db/migrate/', version) + end + + desc 'Drops and recreates the database from db/schema.rb for the current environment.' + task :reset => ['db:drop', 'db:create', 'db:schema:load'] + + 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 + 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 + + namespace :fixtures do + desc "Load fixtures into the current environment's database. Load specific fixtures using FIXTURES=x,y" + task :load => :environment do + require 'active_record/fixtures' + ActiveRecord::Base.establish_connection(RAILS_ENV.to_sym) + (ENV['FIXTURES'] ? ENV['FIXTURES'].split(/,/) : Dir.glob(File.join(RAILS_ROOT, 'test', 'fixtures', '*.{yml,csv}'))).each do |fixture_file| + Fixtures.create_fixtures('test/fixtures', File.basename(fixture_file, '.*')) + end + end + + desc "Search for a fixture given a LABEL or ID." + 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 + + Dir["#{RAILS_ROOT}/test/fixtures/**/*.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'] || "db/schema.rb", "w") do |file| + ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, file) + end + end + + desc "Load a schema.rb file into the database" + task :load => :environment do + file = ENV['SCHEMA'] || "db/schema.rb" + load(file) + 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("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"] + search_path = "--schema=#{search_path}" if search_path + `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} > db/#{RAILS_ENV}_structure.sql" + else + raise "Task not supported by '#{abcs["test"]["adapter"]}'" + end + + if ActiveRecord::Base.connection.supports_migrations? + File.open("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 environment's database schema" + task :clone => %w(db:schema:dump 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 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("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 db/#{RAILS_ENV}_structure.sql #{abcs["test"]["database"]}` + when "sqlite", "sqlite3" + dbfile = abcs["test"]["database"] || abcs["test"]["dbfile"] + `#{abcs["test"]["adapter"]} #{dbfile} < 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("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 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"]) + 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"] + enc_option = "-E #{abcs["test"]["encoding"]}" if abcs["test"]["encoding"] + + ActiveRecord::Base.clear_active_connections! + `dropdb -U "#{abcs["test"]["username"]}" #{abcs["test"]["database"]}` + `createdb #{enc_option} -U "#{abcs["test"]["username"]}" #{abcs["test"]["database"]}` + 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 'Prepare the test database and load the schema' + task :prepare => %w(environment db:abort_if_pending_migrations) do + if defined?(ActiveRecord) && !ActiveRecord::Base.configurations.blank? + Rake::Task[{ :sql => "db:test:clone_structure", :ruby => "db:test:clone" }[ActiveRecord::Base.schema_format]].invoke + end + end + end + + namespace :sessions do + desc "Creates a sessions migration for use with CGI::Session::ActiveRecordStore" + task :create => :environment do + raise "Task unavailable to this database (no migration support)" unless ActiveRecord::Base.connection.supports_migrations? + require 'rails_generator' + require 'rails_generator/scripts/generate' + Rails::Generator::Scripts::Generate.new.run(["session_migration", ENV["MIGRATION"] || "CreateSessions"]) + end + + desc "Clear the sessions table" + task :clear => :environment do + session_table = 'session' + session_table = Inflector.pluralize(session_table) if ActiveRecord::Base.pluralize_table_names + ActiveRecord::Base.connection.execute "DELETE FROM #{session_table}" + end + end +end + +def drop_database(config) + case config['adapter'] + when 'mysql' + ActiveRecord::Base.connection.drop_database config['database'] + when /^sqlite/ + FileUtils.rm_f(File.join(RAILS_ROOT, config['database'])) + when 'postgresql' + `dropdb "#{config['database']}"` + end +end + +def session_table_name + ActiveRecord::Base.pluralize_table_names ? :sessions : :session +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 |