diff options
15 files changed, 138 insertions, 53 deletions
diff --git a/actionpack/lib/action_view/template/resolver.rb b/actionpack/lib/action_view/template/resolver.rb index 1a1083bf00..47bd011d5e 100644 --- a/actionpack/lib/action_view/template/resolver.rb +++ b/actionpack/lib/action_view/template/resolver.rb @@ -109,7 +109,7 @@ module ActionView @cache.clear end - # Normalizes the arguments and passes it on to find_template. + # Normalizes the arguments and passes it on to find_templates. def find_all(name, prefix=nil, partial=false, details={}, key=nil, locals=[]) cached(key, [name, prefix, partial], details, locals) do find_templates(name, prefix, partial, details) diff --git a/actionpack/test/template/debug_helper_test.rb b/actionpack/test/template/debug_helper_test.rb index b90ab5bdf2..42d06bd9ff 100644 --- a/actionpack/test/template/debug_helper_test.rb +++ b/actionpack/test/template/debug_helper_test.rb @@ -1,8 +1,8 @@ -class DebugHelperTest < ActionView::TestCase +require 'active_record_unit' +class DebugHelperTest < ActionView::TestCase def test_debug company = Company.new(name: "firebase") assert_match " name: firebase", debug(company) end - end diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 97616ffc58..a7b5ba9f3e 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,5 +1,28 @@ ## Rails 4.0.0 (unreleased) ## +* Warn when `rake db:structure:dump` with a mysl database and + `mysqldump` is not in the PATH or fails. + Fixes #9518. + + *Yves Senn* + +* Remove `connection#structure_dump`, which is no longer used. *Yves Senn* + +* Make it possible to execute migrations without a transaction even + if the database adapter supports DDL transactions. + Fixes #9483. + + Example: + + class ChangeEnum < ActiveRecord::Migration + self.disable_ddl_transaction! + def up + execute "ALTER TYPE model_size ADD VALUE 'new_value'" + end + end + + *Yves Senn* + * Assigning "0.0" to a nullable numeric column does not make it dirty. Fix #9034. diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index 0cce8c7596..5b8de184fe 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -516,11 +516,6 @@ module ActiveRecord end alias :remove_belongs_to :remove_reference - # Returns a string of <tt>CREATE TABLE</tt> SQL statement(s) for recreating the - # entire structure of the database. - def structure_dump - end - def dump_schema_information #:nodoc: sm_table = ActiveRecord::Migrator.schema_migrations_table_name diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index 9826b18053..be4a30aed9 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -332,20 +332,6 @@ module ActiveRecord # SCHEMA STATEMENTS ======================================== - def structure_dump #:nodoc: - if supports_views? - sql = "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'" - else - sql = "SHOW TABLES" - end - - select_all(sql, 'SCHEMA').map { |table| - table.delete('Table_type') - sql = "SHOW CREATE TABLE #{quote_table_name(table.to_a.first.last)}" - exec_query(sql, 'SCHEMA').first['Create Table'] + ";\n\n" - }.join - end - # Drops the database specified on the +name+ attribute # and creates it again using the provided +options+. def recreate_database(name, options = {}) diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 823595a128..62e8881c4c 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -330,6 +330,23 @@ module ActiveRecord # # For a list of commands that are reversible, please see # <tt>ActiveRecord::Migration::CommandRecorder</tt>. + # + # == Transactional Migrations + # + # If the database adapter supports DDL transactions, all migrations will + # automatically be wrapped in a transaction. There are queries that you + # can't execute inside a transaction though, and for these situations + # you can turn the automatic transactions off. + # + # class ChangeEnum < ActiveRecord::Migration + # self.disable_ddl_transaction! + # def up + # execute "ALTER TYPE model_size ADD VALUE 'new_value'" + # end + # end + # + # Remember that you can still open your own transactions, even if you + # are in a Migration with <tt>self.disable_ddl_transaction!</tt>. class Migration autoload :CommandRecorder, 'active_record/migration/command_recorder' @@ -351,6 +368,7 @@ module ActiveRecord class << self attr_accessor :delegate # :nodoc: + attr_accessor :disable_ddl_transaction # :nodoc: end def self.check_pending! @@ -365,8 +383,16 @@ module ActiveRecord new.migrate direction end - cattr_accessor :verbose + # Disable DDL transactions for this migration. + def self.disable_ddl_transaction! + @disable_ddl_transaction = true + end + + def disable_ddl_transaction # :nodoc: + self.class.disable_ddl_transaction + end + cattr_accessor :verbose attr_accessor :name, :version def initialize(name = self.class.name, version = nil) @@ -375,8 +401,8 @@ module ActiveRecord @connection = nil end + self.verbose = true # instantiate the delegate object after initialize is defined - self.verbose = true self.delegate = new # Reverses the migration commands for the given block and @@ -663,7 +689,7 @@ module ActiveRecord File.basename(filename) end - delegate :migrate, :announce, :write, :to => :migration + delegate :migrate, :announce, :write, :disable_ddl_transaction, to: :migration private @@ -856,12 +882,12 @@ module ActiveRecord Base.logger.info "Migrating to #{migration.name} (#{migration.version})" if Base.logger begin - ddl_transaction do + ddl_transaction(migration) do migration.migrate(@direction) record_version_state_after_migrating(migration.version) end rescue => e - canceled_msg = Base.connection.supports_ddl_transactions? ? "this and " : "" + canceled_msg = use_transaction?(migration) ? "this and " : "" raise StandardError, "An error has occurred, #{canceled_msg}all later migrations canceled:\n\n#{e}", e.backtrace end end @@ -935,12 +961,16 @@ module ActiveRecord end # Wrap the migration in a transaction only if supported by the adapter. - def ddl_transaction - if Base.connection.supports_ddl_transactions? + def ddl_transaction(migration) + if use_transaction?(migration) Base.transaction { yield } else yield end end + + def use_transaction?(migration) + !migration.disable_ddl_transaction && Base.connection.supports_ddl_transactions? + end end end diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb index 17378969a5..10696258c9 100644 --- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb @@ -57,7 +57,10 @@ module ActiveRecord args.concat(["--result-file", "#{filename}"]) args.concat(["--no-data"]) args.concat(["#{configuration['database']}"]) - Kernel.system(*args) + unless Kernel.system(*args) + $stderr.puts "Could not dump the database structure. "\ + "Make sure `mysqldump` is in your PATH and check the command output for warnings." + end end def structure_load(filename) diff --git a/activerecord/test/cases/adapters/mysql/reserved_word_test.rb b/activerecord/test/cases/adapters/mysql/reserved_word_test.rb index 5164acf77f..4cf4bc4c61 100644 --- a/activerecord/test/cases/adapters/mysql/reserved_word_test.rb +++ b/activerecord/test/cases/adapters/mysql/reserved_word_test.rb @@ -63,11 +63,6 @@ class MysqlReservedWordTest < ActiveRecord::TestCase assert_nothing_raised { @connection.rename_column(:group, :order, :values) } end - # dump structure of table with reserved word name - def test_structure_dump - assert_nothing_raised { @connection.structure_dump } - end - # introspect table with reserved word name def test_introspect assert_nothing_raised { @connection.columns(:group) } diff --git a/activerecord/test/cases/adapters/mysql2/connection_test.rb b/activerecord/test/cases/adapters/mysql2/connection_test.rb index 1265cb927e..fedd9f603c 100644 --- a/activerecord/test/cases/adapters/mysql2/connection_test.rb +++ b/activerecord/test/cases/adapters/mysql2/connection_test.rb @@ -70,12 +70,6 @@ class MysqlConnectionTest < ActiveRecord::TestCase end end - def test_logs_name_structure_dump - @connection.structure_dump - assert_equal "SCHEMA", @connection.logged[0][1] - assert_equal "SCHEMA", @connection.logged[2][1] - end - def test_logs_name_show_variable @connection.show_variable 'foo' assert_equal "SCHEMA", @connection.logged[0][1] diff --git a/activerecord/test/cases/adapters/mysql2/reserved_word_test.rb b/activerecord/test/cases/adapters/mysql2/reserved_word_test.rb index 1017b0758d..98596a7f62 100644 --- a/activerecord/test/cases/adapters/mysql2/reserved_word_test.rb +++ b/activerecord/test/cases/adapters/mysql2/reserved_word_test.rb @@ -63,11 +63,6 @@ class MysqlReservedWordTest < ActiveRecord::TestCase assert_nothing_raised { @connection.rename_column(:group, :order, :values) } end - # dump structure of table with reserved word name - def test_structure_dump - assert_nothing_raised { @connection.structure_dump } - end - # introspect table with reserved word name def test_introspect assert_nothing_raised { @connection.columns(:group) } diff --git a/activerecord/test/cases/migration/logger_test.rb b/activerecord/test/cases/migration/logger_test.rb index ee0c20747e..97efb94b66 100644 --- a/activerecord/test/cases/migration/logger_test.rb +++ b/activerecord/test/cases/migration/logger_test.rb @@ -7,6 +7,7 @@ module ActiveRecord self.use_transactional_fixtures = false Migration = Struct.new(:name, :version) do + def disable_ddl_transaction; false end def migrate direction # do nothing end @@ -34,4 +35,3 @@ module ActiveRecord end end end - diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb index fa8dec0e15..960d28fcf5 100644 --- a/activerecord/test/cases/migration_test.rb +++ b/activerecord/test/cases/migration_test.rb @@ -239,9 +239,13 @@ class MigrationTest < ActiveRecord::TestCase assert_not Person.column_methods_hash.include?(:last_name) - migration = Struct.new(:name, :version) { - def migrate(x); raise 'Something broke'; end - }.new('zomg', 100) + migration = Class.new(ActiveRecord::Migration) { + def version; 100 end + def migrate(x) + add_column "people", "last_name", :string + raise 'Something broke' + end + }.new migrator = ActiveRecord::Migrator.new(:up, [migration], 100) @@ -250,7 +254,39 @@ class MigrationTest < ActiveRecord::TestCase assert_equal "An error has occurred, this and all later migrations canceled:\n\nSomething broke", e.message Person.reset_column_information + assert_not Person.column_methods_hash.include?(:last_name), + "On error, the Migrator should revert schema changes but it did not." + end + + def test_migration_without_transaction + unless ActiveRecord::Base.connection.supports_ddl_transactions? + skip "not supported on #{ActiveRecord::Base.connection.class}" + end + assert_not Person.column_methods_hash.include?(:last_name) + + migration = Class.new(ActiveRecord::Migration) { + self.disable_ddl_transaction! + + def version; 101 end + def migrate(x) + add_column "people", "last_name", :string + raise 'Something broke' + end + }.new + + migrator = ActiveRecord::Migrator.new(:up, [migration], 101) + e = assert_raise(StandardError) { migrator.migrate } + assert_equal "An error has occurred, all later migrations canceled:\n\nSomething broke", e.message + + Person.reset_column_information + assert Person.column_methods_hash.include?(:last_name), + "without ddl transactions, the Migrator should not rollback on error but it did." + ensure + Person.reset_column_information + if Person.column_methods_hash.include?(:last_name) + Person.connection.remove_column('people', 'last_name') + end end def test_schema_migrations_table_name diff --git a/activerecord/test/cases/tasks/mysql_rake_test.rb b/activerecord/test/cases/tasks/mysql_rake_test.rb index 38b9dd02f0..dadcca5b7f 100644 --- a/activerecord/test/cases/tasks/mysql_rake_test.rb +++ b/activerecord/test/cases/tasks/mysql_rake_test.rb @@ -249,10 +249,21 @@ module ActiveRecord def test_structure_dump filename = "awesome-file.sql" - Kernel.expects(:system).with("mysqldump", "--result-file", filename, "--no-data", "test-db") + Kernel.expects(:system).with("mysqldump", "--result-file", filename, "--no-data", "test-db").returns(true) ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, filename) end + + def test_warn_when_external_structure_dump_fails + filename = "awesome-file.sql" + Kernel.expects(:system).with("mysqldump", "--result-file", filename, "--no-data", "test-db").returns(false) + + warnings = capture(:stderr) do + ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, filename) + end + + assert_match(/Could not dump the database structure/, warnings) + end end class MySQLStructureLoadTest < ActiveRecord::TestCase diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index c47cb75274..9d26b8ba3e 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -1,11 +1,24 @@ ## Rails 4.0.0 (unreleased) ## * Fix deletion of empty directories in ActiveSupport::Cache::FileStore. - + *Charles Jones* ## Rails 4.0.0.beta1 (February 25, 2013) ## +* Improve singularizing a singular for multiple cases. + Fixes #2608 #1825 #2395. + + Example: + + # Before + 'address'.singularize # => 'addres' + + # After + 'address'.singularize # => 'address' + + *Mark McSpadden* + * Prevent `DateTime#change` from truncating the second fraction, when seconds do not need to be changed. diff --git a/guides/source/migrations.md b/guides/source/migrations.md index 89ae564c24..bd63970bea 100644 --- a/guides/source/migrations.md +++ b/guides/source/migrations.md @@ -61,6 +61,10 @@ migrations are wrapped in a transaction. If the database does not support this then when a migration fails the parts of it that succeeded will not be rolled back. You will have to rollback the changes that were made by hand. +NOTE: There are certain queries that can't run inside a transaction. If your +adapter supports DDL transactions you can use `disable_ddl_transaction!` to +disable them for a single migration. + If you wish for a migration to do something that Active Record doesn't know how to reverse, you can use `reversible`: @@ -180,7 +184,7 @@ end ``` If the migration name is of the form "CreateXXX" and is -followed by a list of column names and types then a migration creating the table +followed by a list of column names and types then a migration creating the table XXX with the columns listed will be generated. For example: ```bash |