diff options
Diffstat (limited to 'activerecord/lib/active_record')
27 files changed, 137 insertions, 113 deletions
diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb index f7b50cd25a..a2aea63bdd 100644 --- a/activerecord/lib/active_record/aggregations.rb +++ b/activerecord/lib/active_record/aggregations.rb @@ -25,7 +25,7 @@ module ActiveRecord end # Active Record implements aggregation through a macro-like class method called +composed_of+ - # for representing attributes as value objects. It expresses relationships like "Account [is] + # for representing attributes as value objects. It expresses relationships like "Account [is] # composed of Money [among other things]" or "Person [is] composed of [an] address". Each call # to the macro adds a description of how the value objects are created from the attributes of # the entity object (when the entity is initialized either as a new object or from finding an diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index f8211ef9fb..38bda0d2a5 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -15,7 +15,7 @@ module ActiveRecord when :restrict_with_error unless empty? - record = klass.human_attribute_name(reflection.name).downcase + record = owner.class.human_attribute_name(reflection.name).downcase message = owner.errors.generate_message(:base, :'restrict_dependent_destroy.many', record: record, raise: true) rescue nil if message ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index 1829453d73..0fe9b2e81b 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -1,5 +1,5 @@ module ActiveRecord - # = Active Record Belongs To Has One Association + # = Active Record Has One Association module Associations class HasOneAssociation < SingularAssociation #:nodoc: include ForeignAssociation @@ -11,7 +11,7 @@ module ActiveRecord when :restrict_with_error if load_target - record = klass.human_attribute_name(reflection.name).downcase + record = owner.class.human_attribute_name(reflection.name).downcase message = owner.errors.generate_message(:base, :'restrict_dependent_destroy.one', record: record, raise: true) rescue nil if message ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 0862306749..82b07de482 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -1,7 +1,7 @@ require 'active_support/core_ext/enumerable' require 'active_support/core_ext/string/filters' require 'mutex_m' -require 'thread_safe' +require 'concurrent' module ActiveRecord # = Active Record Attribute Methods @@ -37,7 +37,7 @@ module ActiveRecord class AttributeMethodCache def initialize @module = Module.new - @method_cache = ThreadSafe::Cache.new + @method_cache = Concurrent::Map.new end def [](name) diff --git a/activerecord/lib/active_record/attribute_methods/write.rb b/activerecord/lib/active_record/attribute_methods/write.rb index 07d5e7d38e..bbf2a51a0e 100644 --- a/activerecord/lib/active_record/attribute_methods/write.rb +++ b/activerecord/lib/active_record/attribute_methods/write.rb @@ -45,7 +45,7 @@ module ActiveRecord write_attribute_with_type_cast(attr_name, value, true) end - def raw_write_attribute(attr_name, value) + def raw_write_attribute(attr_name, value) # :nodoc: write_attribute_with_type_cast(attr_name, value, false) end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index 282af220fb..b579bc1e93 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -1,5 +1,5 @@ require 'thread' -require 'thread_safe' +require 'concurrent' require 'monitor' module ActiveRecord @@ -337,7 +337,7 @@ module ActiveRecord # that case +conn.owner+ attr should be consulted. # Access and modification of +@thread_cached_conns+ does not require # synchronization. - @thread_cached_conns = ThreadSafe::Cache.new(:initial_capacity => @size) + @thread_cached_conns = Concurrent::Map.new(:initial_capacity => @size) @connections = [] @automatic_reconnect = true @@ -364,7 +364,7 @@ module ActiveRecord # Is there an open connection that is being used for the current thread? # - # This method only works for connections that have been abtained through + # This method only works for connections that have been obtained through # #connection or #with_connection methods, connections obtained through # #checkout will not be detected by #active_connection? def active_connection? @@ -427,7 +427,7 @@ module ActiveRecord # The pool first tries to gain ownership of all connections, if unable to # do so within a timeout interval (default duration is # +spec.config[:checkout_timeout] * 2+ seconds), the pool is forcefully - # disconneted wihout any regard for other connection owning threads. + # disconnected without any regard for other connection owning threads. def disconnect! disconnect(false) end @@ -587,7 +587,7 @@ module ActiveRecord end #-- - # From the discussion on Github: + # From the discussion on GitHub: # https://github.com/rails/rails/pull/14938#commitcomment-6601951 # This hook-in method allows for easier monkey-patching fixes needed by # JRuby users that use Fibers. @@ -824,11 +824,11 @@ module ActiveRecord # These caches are keyed by klass.name, NOT klass. Keying them by klass # alone would lead to memory leaks in development mode as all previous # instances of the class would stay in memory. - @owner_to_pool = ThreadSafe::Cache.new(:initial_capacity => 2) do |h,k| - h[k] = ThreadSafe::Cache.new(:initial_capacity => 2) + @owner_to_pool = Concurrent::Map.new(:initial_capacity => 2) do |h,k| + h[k] = Concurrent::Map.new(:initial_capacity => 2) end - @class_to_pool = ThreadSafe::Cache.new(:initial_capacity => 2) do |h,k| - h[k] = ThreadSafe::Cache.new + @class_to_pool = Concurrent::Map.new(:initial_capacity => 2) do |h,k| + h[k] = Concurrent::Map.new end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index 1e13b24867..107806cd93 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -137,7 +137,7 @@ module ActiveRecord # # In order to get around this problem, #transaction will emulate the effect # of nested transactions, by using savepoints: - # http://dev.mysql.com/doc/refman/5.6/en/savepoint.html + # http://dev.mysql.com/doc/refman/5.7/en/savepoint.html # Savepoints are supported by MySQL and PostgreSQL. SQLite3 version >= '3.6.8' # supports savepoints. # @@ -190,7 +190,7 @@ module ActiveRecord # semantics of these different levels: # # * http://www.postgresql.org/docs/current/static/transaction-iso.html - # * https://dev.mysql.com/doc/refman/5.6/en/set-transaction.html + # * https://dev.mysql.com/doc/refman/5.7/en/set-transaction.html # # An <tt>ActiveRecord::TransactionIsolationError</tt> will be raised if: # diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb index 18d943f452..236f577a38 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb @@ -38,14 +38,21 @@ module ActiveRecord end def visit_TableDefinition(o) - create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE " - create_sql << "#{quote_table_name(o.name)} " - create_sql << "(#{o.columns.map { |c| accept c }.join(', ')}) " unless o.as + create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(o.name)} " + + statements = o.columns.map { |c| accept c } + statements << accept(o.primary_keys) if o.primary_keys + + create_sql << "(#{statements.join(', ')}) " if statements.present? create_sql << "#{o.options}" create_sql << " AS #{@conn.to_sql(o.as)}" if o.as create_sql end + def visit_PrimaryKeyDefinition(o) + "PRIMARY KEY (#{o.name.join(', ')})" + end + def visit_AddForeignKey(o) sql = <<-SQL.strip_heredoc ADD CONSTRAINT #{quote_column_name(o.name)} diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb index 3115e03ea2..10329de5f4 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -23,6 +23,9 @@ module ActiveRecord class ChangeColumnDefinition < Struct.new(:column, :name) #:nodoc: end + class PrimaryKeyDefinition < Struct.new(:name) # :nodoc: + end + class ForeignKeyDefinition < Struct.new(:from_table, :to_table, :options) #:nodoc: def name options[:name] @@ -207,6 +210,7 @@ module ActiveRecord @columns_hash = {} @indexes = {} @foreign_keys = {} + @primary_keys = nil @native = types @temporary = temporary @options = options @@ -214,6 +218,11 @@ module ActiveRecord @name = name end + def primary_keys(name = nil) # :nodoc: + @primary_keys = PrimaryKeyDefinition.new(name) if name + @primary_keys + end + # Returns an array of ColumnDefinition objects for the columns of the table. def columns; @columns_hash.values; end @@ -236,8 +245,8 @@ module ActiveRecord # # Available options are (none of these exists by default): # * <tt>:limit</tt> - - # Requests a maximum column length. This is number of characters for <tt>:string</tt> and - # <tt>:text</tt> columns and number of bytes for <tt>:binary</tt> and <tt>:integer</tt> columns. + # Requests a maximum column length. This is number of characters for a <tt>:string</tt> column + # and number of bytes for <tt>:text</tt>, <tt>:binary</tt> and <tt>:integer</tt> columns. # * <tt>:default</tt> - # The column's default value. Use nil for NULL. # * <tt>:null</tt> - 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 08803303cf..33a2afeba2 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -93,6 +93,12 @@ module ActiveRecord (!options.key?(:null) || c.null == options[:null]) } end + # Returns just a table's primary key + def primary_key(table_name) + pks = primary_keys(table_name) + pks.first if pks.one? + end + # Creates a new table with the name +table_name+. +table_name+ may either # be a String or a Symbol. # @@ -158,7 +164,7 @@ module ActiveRecord # generates: # # CREATE TABLE suppliers ( - # id int(11) DEFAULT NULL auto_increment PRIMARY KEY + # id int(11) auto_increment PRIMARY KEY # ) ENGINE=InnoDB DEFAULT CHARSET=utf8 # # ====== Rename the primary key column @@ -170,7 +176,7 @@ module ActiveRecord # generates: # # CREATE TABLE objects ( - # guid int(11) DEFAULT NULL auto_increment PRIMARY KEY, + # guid int(11) auto_increment PRIMARY KEY, # name varchar(80) # ) # @@ -220,7 +226,11 @@ module ActiveRecord Base.get_primary_key table_name.to_s.singularize end - td.primary_key pk, options.fetch(:id, :primary_key), options + if pk.is_a?(Array) + td.primary_keys pk + else + td.primary_key pk, options.fetch(:id, :primary_key), options + end end yield td if block_given? 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 fbfc09e801..74f03f62d0 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -57,6 +57,7 @@ module ActiveRecord create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(name)} " statements = o.columns.map { |c| accept c } + statements << accept(o.primary_keys) if o.primary_keys statements.concat(o.indexes.map { |column_name, options| index_in_create(name, column_name, options) }) create_sql << "(#{statements.join(', ')}) " if statements.present? @@ -735,21 +736,25 @@ module ActiveRecord # Returns a table's primary key and belonging sequence. def pk_and_sequence_for(table) - execute_and_free("SHOW CREATE TABLE #{quote_table_name(table)}", 'SCHEMA') do |result| - create_table = each_hash(result).first[:"Create Table"] - if create_table.to_s =~ /PRIMARY KEY\s+(?:USING\s+\w+\s+)?\((.+)\)/ - keys = $1.split(",").map { |key| key.delete('`"') } - keys.length == 1 ? [keys.first, nil] : nil - else - nil - end + if pk = primary_key(table) + [ pk, nil ] end end - # Returns just a table's primary key - def primary_key(table) - pk_and_sequence = pk_and_sequence_for(table) - pk_and_sequence && pk_and_sequence.first + def primary_keys(table_name) # :nodoc: + raise ArgumentError unless table_name.present? + + schema, name = table_name.to_s.split('.', 2) + schema, name = @config[:database], schema unless name # A table was provided without a schema + + select_values(<<-SQL.strip_heredoc, 'SCHEMA') + SELECT column_name + FROM information_schema.key_column_usage + WHERE constraint_name = 'PRIMARY' + AND table_schema = #{quote(schema)} + AND table_name = #{quote(name)} + ORDER BY ordinal_position + SQL end def case_sensitive_modifier(node, table_attribute) @@ -980,14 +985,14 @@ module ActiveRecord defaults = [':default', :default].to_set # Make MySQL reject illegal values rather than truncating or blanking them, see - # http://dev.mysql.com/doc/refman/5.6/en/sql-mode.html#sqlmode_strict_all_tables + # http://dev.mysql.com/doc/refman/5.7/en/sql-mode.html#sqlmode_strict_all_tables # If the user has provided another value for sql_mode, don't replace it. unless variables.has_key?('sql_mode') || defaults.include?(@config[:strict]) variables['sql_mode'] = strict_mode? ? 'STRICT_ALL_TABLES' : '' end # NAMES does not have an equals sign, see - # http://dev.mysql.com/doc/refman/5.6/en/set-statement.html#id944430 + # http://dev.mysql.com/doc/refman/5.7/en/set-statement.html#id944430 # (trailing comma because variable_assignments will always have content) if @config[:encoding] encoding = "NAMES #{@config[:encoding]}" @@ -1032,7 +1037,7 @@ module ActiveRecord when 0..0xfff; "varbinary(#{limit})" when nil; "blob" when 0x1000..0xffffffff; "blob(#{limit})" - else raise(ActiveRecordError, "No binary type has character length #{limit}") + else raise(ActiveRecordError, "No binary type has byte length #{limit}") end end @@ -1053,7 +1058,7 @@ module ActiveRecord when nil, 0x100..0xffff; 'text' when 0x10000..0xffffff; 'mediumtext' when 0x1000000..0xffffffff; 'longtext' - else raise(ActiveRecordError, "No text type has character length #{limit}") + else raise(ActiveRecordError, "No text type has byte length #{limit}") end end diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index 0738c59ddf..3622f80037 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -58,9 +58,9 @@ module ActiveRecord # * <tt>:password</tt> - Defaults to nothing. # * <tt>:database</tt> - The name of the database. No default, must be provided. # * <tt>:encoding</tt> - (Optional) Sets the client encoding by executing "SET NAMES <encoding>" after connection. - # * <tt>:reconnect</tt> - Defaults to false (See MySQL documentation: http://dev.mysql.com/doc/refman/5.6/en/auto-reconnect.html). - # * <tt>:strict</tt> - Defaults to true. Enable STRICT_ALL_TABLES. (See MySQL documentation: http://dev.mysql.com/doc/refman/5.6/en/sql-mode.html) - # * <tt>:variables</tt> - (Optional) A hash session variables to send as <tt>SET @@SESSION.key = value</tt> on each database connection. Use the value +:default+ to set a variable to its DEFAULT value. (See MySQL documentation: http://dev.mysql.com/doc/refman/5.6/en/set-statement.html). + # * <tt>:reconnect</tt> - Defaults to false (See MySQL documentation: http://dev.mysql.com/doc/refman/5.7/en/auto-reconnect.html). + # * <tt>:strict</tt> - Defaults to true. Enable STRICT_ALL_TABLES. (See MySQL documentation: http://dev.mysql.com/doc/refman/5.7/en/sql-mode.html) + # * <tt>:variables</tt> - (Optional) A hash session variables to send as <tt>SET @@SESSION.key = value</tt> on each database connection. Use the value +:default+ to set a variable to its DEFAULT value. (See MySQL documentation: http://dev.mysql.com/doc/refman/5.7/en/set-statement.html). # * <tt>:sslca</tt> - Necessary to use MySQL with an SSL connection. # * <tt>:sslkey</tt> - Necessary to use MySQL with an SSL connection. # * <tt>:sslcert</tt> - Necessary to use MySQL with an SSL connection. @@ -80,8 +80,7 @@ module ActiveRecord def initialize(connection, logger, connection_options, config) super - @statements = StatementPool.new(@connection, - self.class.type_cast_config_to_integer(config.fetch(:statement_limit) { 1000 })) + @statements = StatementPool.new(self.class.type_cast_config_to_integer(config.fetch(:statement_limit) { 1000 })) @client_encoding = nil connect end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 69aa02ccf4..04b1cc479f 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -353,17 +353,19 @@ module ActiveRecord nil end - # Returns just a table's primary key - def primary_key(table) - pks = query(<<-end_sql, 'SCHEMA') - SELECT attr.attname - FROM pg_attribute attr - INNER JOIN pg_constraint cons ON attr.attrelid = cons.conrelid AND attr.attnum = any(cons.conkey) - WHERE cons.contype = 'p' - AND cons.conrelid = '#{quote_table_name(table)}'::regclass - end_sql - return nil unless pks.count == 1 - pks[0][0] + def primary_keys(table_name) # :nodoc: + select_values(<<-SQL.strip_heredoc, 'SCHEMA') + WITH pk_constraint AS ( + SELECT conrelid, unnest(conkey) AS connum FROM pg_constraint + WHERE contype = 'p' + AND conrelid = '#{quote_table_name(table_name)}'::regclass + ), cons AS ( + SELECT conrelid, connum, row_number() OVER() AS rownum FROM pk_constraint + ) + SELECT attr.attname FROM pg_attribute attr + INNER JOIN cons ON attr.attrelid = cons.conrelid AND attr.attnum = cons.connum + ORDER BY cons.rownum + SQL end # Renames a table. diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 27291bd2ea..9de79a614c 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -211,7 +211,8 @@ module ActiveRecord class StatementPool < ConnectionAdapters::StatementPool def initialize(connection, max) - super + super(max) + @connection = connection @counter = 0 end diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 24fc67938d..6a78d6d23b 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -81,8 +81,7 @@ module ActiveRecord super(connection, logger) @active = nil - @statements = StatementPool.new(@connection, - self.class.type_cast_config_to_integer(config.fetch(:statement_limit) { 1000 })) + @statements = StatementPool.new(self.class.type_cast_config_to_integer(config.fetch(:statement_limit) { 1000 })) @config = config @visitor = Arel::Visitors::SQLite.new self @@ -369,10 +368,9 @@ module ActiveRecord end end - def primary_key(table_name) #:nodoc: + def primary_keys(table_name) # :nodoc: pks = table_structure(table_name).select { |f| f['pk'] > 0 } - return nil unless pks.count == 1 - pks[0]['name'] + pks.sort_by { |f| f['pk'] }.map { |f| f['name'] } end def remove_index(table_name, options = {}) #:nodoc: diff --git a/activerecord/lib/active_record/connection_adapters/statement_pool.rb b/activerecord/lib/active_record/connection_adapters/statement_pool.rb index 82e9ef3d3d..57463dd749 100644 --- a/activerecord/lib/active_record/connection_adapters/statement_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/statement_pool.rb @@ -3,10 +3,9 @@ module ActiveRecord class StatementPool include Enumerable - def initialize(connection, max = 1000) + def initialize(max = 1000) @cache = Hash.new { |h,pid| h[pid] = {} } - @connection = connection - @max = max + @max = max end def each(&block) diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb index 4902fcb1a2..a79bf0366b 100644 --- a/activerecord/lib/active_record/enum.rb +++ b/activerecord/lib/active_record/enum.rb @@ -204,30 +204,22 @@ module ActiveRecord def detect_enum_conflict!(enum_name, method_name, klass_method = false) if klass_method && dangerous_class_method?(method_name) - raise ArgumentError, ENUM_CONFLICT_MESSAGE % { - enum: enum_name, - klass: self.name, - type: 'class', - method: method_name, - source: 'Active Record' - } + raise_conflict_error(enum_name, method_name, type: 'class') elsif !klass_method && dangerous_attribute_method?(method_name) - raise ArgumentError, ENUM_CONFLICT_MESSAGE % { - enum: enum_name, - klass: self.name, - type: 'instance', - method: method_name, - source: 'Active Record' - } + raise_conflict_error(enum_name, method_name) elsif !klass_method && method_defined_within?(method_name, _enum_methods_module, Module) - raise ArgumentError, ENUM_CONFLICT_MESSAGE % { - enum: enum_name, - klass: self.name, - type: 'instance', - method: method_name, - source: 'another enum' - } + raise_conflict_error(enum_name, method_name, source: 'another enum') end end + + def raise_conflict_error(enum_name, method_name, type: 'instance', source: 'Active Record') + raise ArgumentError, ENUM_CONFLICT_MESSAGE % { + enum: enum_name, + klass: self.name, + type: type, + method: method_name, + source: source + } + end end end diff --git a/activerecord/lib/active_record/integration.rb b/activerecord/lib/active_record/integration.rb index 15b2f65dcb..370c1562c9 100644 --- a/activerecord/lib/active_record/integration.rb +++ b/activerecord/lib/active_record/integration.rb @@ -84,7 +84,7 @@ module ActiveRecord # Values longer than 20 characters will be truncated. The value # is truncated word by word. # - # user = User.find_by(name: 'David HeinemeierHansson') + # user = User.find_by(name: 'David Heinemeier Hansson') # user.id # => 125 # user_path(user) # => "/users/125-david" # diff --git a/activerecord/lib/active_record/locking/pessimistic.rb b/activerecord/lib/active_record/locking/pessimistic.rb index 3d95c54ef3..8ecdf76b72 100644 --- a/activerecord/lib/active_record/locking/pessimistic.rb +++ b/activerecord/lib/active_record/locking/pessimistic.rb @@ -51,7 +51,7 @@ module ActiveRecord # end # # Database-specific information on row locking: - # MySQL: http://dev.mysql.com/doc/refman/5.6/en/innodb-locking-reads.html + # MySQL: http://dev.mysql.com/doc/refman/5.7/en/innodb-locking-reads.html # PostgreSQL: http://www.postgresql.org/docs/current/interactive/sql-select.html#SQL-FOR-UPDATE-SHARE module Pessimistic # Obtain a row lock on this record. Reloads the record to obtain the requested diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb index 74894d0c37..0b500346bc 100644 --- a/activerecord/lib/active_record/null_relation.rb +++ b/activerecord/lib/active_record/null_relation.rb @@ -1,5 +1,3 @@ -# -*- coding: utf-8 -*- - module ActiveRecord module NullRelation # :nodoc: def exec_queries diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 2b648978b3..4e0fc407bc 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -66,7 +66,6 @@ module ActiveRecord # # Account.reflections # => {"balance" => AggregateReflection} # - # @api public def reflections @__reflections ||= begin ref = {} @@ -96,7 +95,6 @@ module ActiveRecord # Account.reflect_on_all_associations # returns an array of all associations # Account.reflect_on_all_associations(:has_many) # returns an array of all has_many associations # - # @api public def reflect_on_all_associations(macro = nil) association_reflections = reflections.values association_reflections.select! { |reflection| reflection.macro == macro } if macro @@ -108,24 +106,20 @@ module ActiveRecord # Account.reflect_on_association(:owner) # returns the owner AssociationReflection # Invoice.reflect_on_association(:line_items).macro # returns :has_many # - # @api public def reflect_on_association(association) reflections[association.to_s] end - # @api private def _reflect_on_association(association) #:nodoc: _reflections[association.to_s] end # Returns an array of AssociationReflection objects for all associations which have <tt>:autosave</tt> enabled. - # - # @api public def reflect_on_all_autosave_associations reflections.values.select { |reflection| reflection.options[:autosave] } end - def clear_reflections_cache #:nodoc: + def clear_reflections_cache # :nodoc: @__reflections = nil end end diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index bf08cdbbf3..e596df8742 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -1,4 +1,3 @@ -# -*- coding: utf-8 -*- require "arel/collectors/bind" module ActiveRecord diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb index c5910fa1ad..b1f0be2a25 100644 --- a/activerecord/lib/active_record/schema_dumper.rb +++ b/activerecord/lib/active_record/schema_dumper.rb @@ -112,20 +112,27 @@ HEADER tbl = StringIO.new # first dump primary key column - pk = @connection.primary_key(table) + if @connection.respond_to?(:primary_keys) + pk = @connection.primary_keys(table) + pk = pk.first unless pk.size > 1 + else + pk = @connection.primary_key(table) + end tbl.print " create_table #{remove_prefix_and_suffix(table).inspect}" - pkcol = columns.detect { |c| c.name == pk } - if pkcol - if pk != 'id' - tbl.print %Q(, primary_key: "#{pk}") - end + + case pk + when String + tbl.print ", primary_key: #{pk.inspect}" unless pk == 'id' + pkcol = columns.detect { |c| c.name == pk } pkcolspec = @connection.column_spec_for_primary_key(pkcol) if pkcolspec pkcolspec.each do |key, value| tbl.print ", #{key}: #{value}" end end + when Array + tbl.print ", primary_key: #{pk.inspect}" else tbl.print ", id: false" end @@ -247,7 +254,7 @@ HEADER end def ignored?(table_name) - ['schema_migrations', ignore_tables].flatten.any? do |ignored| + [ActiveRecord::Base.schema_migrations_table_name, ignore_tables].flatten.any? do |ignored| ignored === remove_prefix_and_suffix(table_name) end end diff --git a/activerecord/lib/active_record/schema_migration.rb b/activerecord/lib/active_record/schema_migration.rb index cb47bf23f7..b384529e75 100644 --- a/activerecord/lib/active_record/schema_migration.rb +++ b/activerecord/lib/active_record/schema_migration.rb @@ -2,7 +2,11 @@ require 'active_record/scoping/default' require 'active_record/scoping/named' module ActiveRecord - class SchemaMigration < ActiveRecord::Base + # This class is used to create a table that keeps track of which migrations + # have been applied to a given database. When a migration is run, its schema + # number is inserted in to the `SchemaMigration.table_name` so it doesn't need + # to be executed the next time. + class SchemaMigration < ActiveRecord::Base # :nodoc: class << self def primary_key nil diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb index 673386f0d9..ba5dd0a0d9 100644 --- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb @@ -23,7 +23,7 @@ module ActiveRecord end rescue error_class => error if error.respond_to?(:errno) && error.errno == ACCESS_DENIED_ERROR - $stdout.print error.error + $stdout.print error.message establish_connection root_configuration_without_database connection.create_database configuration['database'], creation_options if configuration['username'] != 'root' diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb index 887d7a5903..4a569fc242 100644 --- a/activerecord/lib/active_record/transactions.rb +++ b/activerecord/lib/active_record/transactions.rb @@ -167,7 +167,7 @@ module ActiveRecord # writing, the only database that we're aware of that supports true nested # transactions, is MS-SQL. Because of this, Active Record emulates nested # transactions by using savepoints on MySQL and PostgreSQL. See - # http://dev.mysql.com/doc/refman/5.6/en/savepoint.html + # http://dev.mysql.com/doc/refman/5.7/en/savepoint.html # for more information about savepoints. # # === Callbacks diff --git a/activerecord/lib/active_record/type/type_map.rb b/activerecord/lib/active_record/type/type_map.rb index 09f5ba6b74..8ce36cc9af 100644 --- a/activerecord/lib/active_record/type/type_map.rb +++ b/activerecord/lib/active_record/type/type_map.rb @@ -1,12 +1,12 @@ -require 'thread_safe' +require 'concurrent' module ActiveRecord module Type class TypeMap # :nodoc: def initialize @mapping = {} - @cache = ThreadSafe::Cache.new do |h, key| - h.fetch_or_store(key, ThreadSafe::Cache.new) + @cache = Concurrent::Map.new do |h, key| + h.fetch_or_store(key, Concurrent::Map.new) end end |