diff options
22 files changed, 61 insertions, 54 deletions
diff --git a/Gemfile.lock b/Gemfile.lock index 249028d697..169c65b39d 100644 --- a/Gemfile.lock +++ b/Gemfile.lock @@ -64,7 +64,6 @@ PATH activesupport (5.0.0.beta2) concurrent-ruby (~> 1.0) i18n (~> 0.7) - method_source minitest (~> 5.1) tzinfo (~> 1.1) rails (5.0.0.beta2) diff --git a/actioncable/README.md b/actioncable/README.md index ac57532b62..6e74551483 100644 --- a/actioncable/README.md +++ b/actioncable/README.md @@ -448,8 +448,17 @@ as long as you haven’t committed any thread-safety sins. But this also means that Action Cable needs to run in its own server process. So you'll have one set of server processes for your normal web work, and another -set of server processes for the Action Cable. The former can be single-threaded, -like Unicorn, but the latter must be multi-threaded, like Puma. +set of server processes for the Action Cable. + +The Action Cable server does _not_ need to be a multi-threaded application server. +This is because Action Cable uses the [Rack socket hijacking API](http://old.blog.phusion.nl/2013/01/23/the-new-rack-socket-hijacking-api/) +to take over control of connections from the application server. Action Cable +then manages connections internally, in a multithreaded manner, regardless of +whether the application server is multi-threaded or not. So Action Cable works +with all the popular application servers -- Unicorn, Puma and Passenger. + +Action Cable does not work with WEBrick, because WEBrick does not support the +Rack socket hijacking API. ## License diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb index be65cf318c..708b3af5bd 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -75,7 +75,7 @@ module ActiveRecord column = klass.columns_hash[reflection.type.to_s] binds << Relation::QueryAttribute.new(column.name, value, klass.type_for_attribute(column.name)) - constraint = constraint.and table[reflection.type].eq(Arel::Nodes::BindParam.new) + constraint = constraint.and klass.arel_attribute(reflection.type, table).eq(Arel::Nodes::BindParam.new) end joins << table.create_join(table, table.create_on(constraint), join_type) diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb index e11a5cfb8a..3032bc786e 100644 --- a/activerecord/lib/active_record/associations/preloader/association.rb +++ b/activerecord/lib/active_record/associations/preloader/association.rb @@ -47,7 +47,7 @@ module ActiveRecord # This is overridden by HABTM as the condition should be on the foreign_key column in # the join table def association_key - table[association_key_name] + klass.arel_attribute(association_key_name, table) end # The name of the key on the model which declares the association 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 cc245587c1..983c4340c6 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -496,8 +496,6 @@ module ActiveRecord # Default is (10,0). # * PostgreSQL: <tt>:precision</tt> [1..infinity], # <tt>:scale</tt> [0..infinity]. No default. - # * SQLite2: Any <tt>:precision</tt> and <tt>:scale</tt> may be used. - # Internal storage as strings. No default. # * SQLite3: No restrictions on <tt>:precision</tt> and <tt>:scale</tt>, # but the maximum supported <tt>:precision</tt> is 16. No default. # * Oracle: <tt>:precision</tt> [1..38], <tt>:scale</tt> [-84..127]. @@ -700,7 +698,7 @@ module ActiveRecord # # CREATE FULLTEXT INDEX index_developers_on_name ON developers (name) -- MySQL # - # Note: only supported by MySQL. Supported: <tt>:fulltext</tt> and <tt>:spatial</tt> on MyISAM tables. + # Note: only supported by MySQL. def add_index(table_name, column_name, options = {}) index_name, index_type, index_columns, index_options = add_index_options(table_name, column_name, options) execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} (#{index_columns})#{index_options}" 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 70d7956baa..8751b6da4b 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -52,7 +52,6 @@ module ActiveRecord INDEX_TYPES = [:fulltext, :spatial] INDEX_USINGS = [:btree, :hash] - # FIXME: Make the first parameter more similar for the two adapters def initialize(connection, logger, connection_options, config) super(connection, logger, config) @quoted_column_names, @quoted_table_names = {}, {} @@ -65,6 +64,10 @@ module ActiveRecord else @prepared_statements = false end + + if version < '5.0.0' + raise "Your version of MySQL (#{full_version.match(/^\d+\.\d+\.\d+/)[0]}) is too old. Active Record supports MySQL >= 5.0." + end end CHARSETS_OF_4BYTES_MAXLEN = ['utf8mb4', 'utf16', 'utf16le', 'utf32'] @@ -98,12 +101,8 @@ module ActiveRecord true end - # MySQL 4 technically support transaction isolation, but it is affected by a bug - # where the transaction level gets persisted for the whole session: - # - # http://bugs.mysql.com/bug.php?id=39170 def supports_transaction_isolation? - version >= '5.0.0' + true end def supports_explain? @@ -119,17 +118,15 @@ module ActiveRecord end def supports_views? - version >= '5.0.0' + true end def supports_datetime_with_precision? version >= '5.6.4' end - # 5.0.0 definitely supports it, possibly supported by earlier versions but - # not sure def supports_advisory_locks? - version >= '5.0.0' + true end def get_advisory_lock(lock_name, timeout = 0) # :nodoc: diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index a5cbbf0c69..c65d33ccb3 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -8,7 +8,6 @@ require 'sqlite3' module ActiveRecord module ConnectionHandling # :nodoc: - # sqlite3 adapter reuses sqlite_connection. def sqlite3_connection(config) # Require database. unless config[:database] diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index 475a298467..24fd0aaecf 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -256,6 +256,11 @@ module ActiveRecord end end + def arel_attribute(name, table = arel_table) # :nodoc: + name = attribute_alias(name) if attribute_alias?(name) + table[name] + end + def predicate_builder # :nodoc: @predicate_builder ||= PredicateBuilder.new(table_metadata) end diff --git a/activerecord/lib/active_record/inheritance.rb b/activerecord/lib/active_record/inheritance.rb index 3b6fb70d0d..899683ee4f 100644 --- a/activerecord/lib/active_record/inheritance.rb +++ b/activerecord/lib/active_record/inheritance.rb @@ -192,7 +192,7 @@ module ActiveRecord end def type_condition(table = arel_table) - sti_column = table[inheritance_column] + sti_column = arel_attribute(inheritance_column, table) sti_names = ([self] + descendants).map(&:sti_name) sti_column.in(sti_names) diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 032b8d4c5d..7e842668c6 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -47,7 +47,7 @@ module ActiveRecord if !primary_key_value && connection.prefetch_primary_key?(klass.table_name) primary_key_value = connection.next_sequence_value(klass.sequence_name) - values[klass.arel_table[klass.primary_key]] = primary_key_value + values[arel_attribute(klass.primary_key)] = primary_key_value end end @@ -105,6 +105,10 @@ module ActiveRecord [substitutes, binds] end + def arel_attribute(name) # :nodoc: + klass.arel_attribute(name, table) + end + # Initializes new record from relation while maintaining the current # scope. # @@ -373,9 +377,9 @@ module ActiveRecord stmt.table(table) if joins_values.any? - @klass.connection.join_to_update(stmt, arel, table[primary_key]) + @klass.connection.join_to_update(stmt, arel, arel_attribute(primary_key)) else - stmt.key = table[primary_key] + stmt.key = arel_attribute(primary_key) stmt.take(arel.limit) stmt.order(*arel.orders) stmt.wheres = arel.constraints @@ -527,7 +531,7 @@ module ActiveRecord stmt.from(table) if joins_values.any? - @klass.connection.join_to_delete(stmt, arel, table[primary_key]) + @klass.connection.join_to_delete(stmt, arel, arel_attribute(primary_key)) else stmt.wheres = arel.constraints end diff --git a/activerecord/lib/active_record/relation/batches.rb b/activerecord/lib/active_record/relation/batches.rb index 54587ae18e..de005e2810 100644 --- a/activerecord/lib/active_record/relation/batches.rb +++ b/activerecord/lib/active_record/relation/batches.rb @@ -204,15 +204,15 @@ module ActiveRecord yield yielded_relation break if ids.length < of - batch_relation = relation.where(table[primary_key].gt(primary_key_offset)) + batch_relation = relation.where(arel_attribute(primary_key).gt(primary_key_offset)) end end private def apply_limits(relation, start, finish) - relation = relation.where(table[primary_key].gteq(start)) if start - relation = relation.where(table[primary_key].lteq(finish)) if finish + relation = relation.where(arel_attribute(primary_key).gteq(start)) if start + relation = relation.where(arel_attribute(primary_key).lteq(finish)) if finish relation end diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index f45844a9ea..54c9af4898 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -155,15 +155,7 @@ module ActiveRecord # See also #ids. # def pluck(*column_names) - column_names.map! do |column_name| - if column_name.is_a?(Symbol) && attribute_alias?(column_name) - attribute_alias(column_name) - else - column_name.to_s - end - end - - if loaded? && (column_names - @klass.column_names).empty? + if loaded? && (column_names.map(&:to_s) - @klass.attribute_names - @klass.attribute_aliases.keys).empty? return @records.pluck(*column_names) end @@ -172,7 +164,7 @@ module ActiveRecord else relation = spawn relation.select_values = column_names.map { |cn| - columns_hash.key?(cn) ? arel_table[cn] : cn + @klass.has_attribute?(cn) || @klass.attribute_alias?(cn) ? arel_attribute(cn) : cn } result = klass.connection.select_all(relation.arel, nil, bound_attributes) result.cast_values(klass.attribute_types) diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 3f5d6de78a..d48bcea28a 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -147,7 +147,7 @@ module ActiveRecord def last(limit = nil) if limit if order_values.empty? && primary_key - order(arel_table[primary_key].desc).limit(limit).reverse + order(arel_attribute(primary_key).desc).limit(limit).reverse else to_a.last(limit) end @@ -514,7 +514,7 @@ module ActiveRecord # TODO: once the offset argument is removed from find_nth, # find_nth_with_limit_and_offset can be merged into this method relation = if order_values.empty? && primary_key - order(arel_table[primary_key].asc) + order(arel_attribute(primary_key).asc) else self end diff --git a/activerecord/lib/active_record/relation/predicate_builder/relation_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/relation_handler.rb index 063150958a..8a910a82fe 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/relation_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/relation_handler.rb @@ -3,7 +3,7 @@ module ActiveRecord class RelationHandler # :nodoc: def call(attribute, value) if value.select_values.empty? - value = value.select(value.klass.arel_table[value.klass.primary_key]) + value = value.select(value.arel_attribute(value.klass.primary_key)) end attribute.in(value.arel) diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 8ef9f9f627..91bfa4d131 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -1093,8 +1093,8 @@ module ActiveRecord def arel_columns(columns) columns.map do |field| - if (Symbol === field || String === field) && columns_hash.key?(field.to_s) && !from_clause.value - arel_table[field] + if (Symbol === field || String === field) && (klass.has_attribute?(field) || klass.attribute_alias?(field)) && !from_clause.value + arel_attribute(field) elsif Symbol === field connection.quote_table_name(field.to_s) else @@ -1105,7 +1105,7 @@ module ActiveRecord def reverse_sql_order(order_query) if order_query.empty? - return [table[primary_key].desc] if primary_key + return [arel_attribute(primary_key).desc] if primary_key raise IrreversibleOrderError, "Relation has no current order and table has no primary key to be used as default order" end @@ -1170,12 +1170,10 @@ module ActiveRecord order_args.map! do |arg| case arg when Symbol - arg = klass.attribute_alias(arg) if klass.attribute_alias?(arg) - table[arg].asc + arel_attribute(arg).asc when Hash arg.map { |field, dir| - field = klass.attribute_alias(field) if klass.attribute_alias?(field) - table[field].send(dir.downcase) + arel_attribute(field).send(dir.downcase) } else arg diff --git a/activerecord/lib/active_record/table_metadata.rb b/activerecord/lib/active_record/table_metadata.rb index f9bb1cf5e0..0faad48ce3 100644 --- a/activerecord/lib/active_record/table_metadata.rb +++ b/activerecord/lib/active_record/table_metadata.rb @@ -22,7 +22,11 @@ module ActiveRecord end def arel_attribute(column_name) - arel_table[column_name] + if klass + klass.arel_attribute(column_name, arel_table) + else + arel_table[column_name] + end end def type(column_name) diff --git a/activerecord/test/cases/defaults_test.rb b/activerecord/test/cases/defaults_test.rb index 69b0487dd8..067513e24c 100644 --- a/activerecord/test/cases/defaults_test.rb +++ b/activerecord/test/cases/defaults_test.rb @@ -201,8 +201,7 @@ if current_adapter?(:Mysql2Adapter) assert_equal '0', klass.columns_hash['zero'].default assert !klass.columns_hash['zero'].null - # 0 in MySQL 4, nil in 5. - assert [0, nil].include?(klass.columns_hash['omit'].default) + assert_equal nil, klass.columns_hash['omit'].default assert !klass.columns_hash['omit'].null assert_raise(ActiveRecord::StatementInvalid) { klass.create! } diff --git a/activerecord/test/cases/relation/mutation_test.rb b/activerecord/test/cases/relation/mutation_test.rb index d0f60a84b5..ffb2da7a26 100644 --- a/activerecord/test/cases/relation/mutation_test.rb +++ b/activerecord/test/cases/relation/mutation_test.rb @@ -26,6 +26,10 @@ module ActiveRecord def sanitize_sql_for_order(sql) sql end + + def arel_attribute(name, table) + table[name] + end end def relation diff --git a/activesupport/activesupport.gemspec b/activesupport/activesupport.gemspec index 3b71858350..68a80701ed 100644 --- a/activesupport/activesupport.gemspec +++ b/activesupport/activesupport.gemspec @@ -24,5 +24,4 @@ Gem::Specification.new do |s| s.add_dependency 'tzinfo', '~> 1.1' s.add_dependency 'minitest', '~> 5.1' s.add_dependency 'concurrent-ruby', '~> 1.0' - s.add_dependency 'method_source' end diff --git a/guides/source/command_line.md b/guides/source/command_line.md index e87ed02ca5..e865a02cbd 100644 --- a/guides/source/command_line.md +++ b/guides/source/command_line.md @@ -325,7 +325,7 @@ With the `helper` method it is possible to access Rails and your application's h ### `rails dbconsole` -`rails dbconsole` figures out which database you're using and drops you into whichever command line interface you would use with it (and figures out the command line parameters to give to it, too!). It supports MySQL, PostgreSQL, SQLite and SQLite3. +`rails dbconsole` figures out which database you're using and drops you into whichever command line interface you would use with it (and figures out the command line parameters to give to it, too!). It supports MySQL, PostgreSQL and SQLite3. INFO: You can also use the alias "db" to invoke the dbconsole: `rails db`. diff --git a/railties/lib/rails/generators/rails/app/templates/config/databases/jdbcmysql.yml b/railties/lib/rails/generators/rails/app/templates/config/databases/jdbcmysql.yml index 5ca549a8c8..f2c4922e7d 100644 --- a/railties/lib/rails/generators/rails/app/templates/config/databases/jdbcmysql.yml +++ b/railties/lib/rails/generators/rails/app/templates/config/databases/jdbcmysql.yml @@ -1,4 +1,4 @@ -# MySQL. Versions 4.1 and 5.0 are recommended. +# MySQL. Versions 5.0 and up are supported. # # Install the MySQL driver: # gem install activerecord-jdbcmysql-adapter diff --git a/railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml b/railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml index 119c2fe2c3..193423e84a 100644 --- a/railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml +++ b/railties/lib/rails/generators/rails/app/templates/config/databases/mysql.yml @@ -1,4 +1,4 @@ -# MySQL. Versions 5.0+ are recommended. +# MySQL. Versions 5.0 and up are supported. # # Install the MySQL driver # gem install mysql2 |