diff options
Diffstat (limited to 'activerecord/lib')
46 files changed, 432 insertions, 249 deletions
diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb index ce7d41cf54..67ea489b22 100644 --- a/activerecord/lib/active_record/associations/association.rb +++ b/activerecord/lib/active_record/associations/association.rb @@ -104,11 +104,12 @@ module ActiveRecord # Set the inverse association, if possible def set_inverse_instance(record) - if record && invertible_for?(record) + if invertible_for?(record) inverse = record.association(inverse_reflection_for(record).name) inverse.target = owner inverse.inversed = true end + record end # Returns the class of the target. belongs_to polymorphic overrides this to look at the diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb index e1fa5225b5..8272a5584c 100644 --- a/activerecord/lib/active_record/associations/belongs_to_association.rb +++ b/activerecord/lib/active_record/associations/belongs_to_association.rb @@ -8,13 +8,16 @@ module ActiveRecord end def replace(record) - raise_on_type_mismatch!(record) if record - - update_counters(record) - replace_keys(record) - set_inverse_instance(record) - - @updated = true if record + if record + raise_on_type_mismatch!(record) + update_counters(record) + replace_keys(record) + set_inverse_instance(record) + @updated = true + else + decrement_counters + remove_keys + end self.target = record end @@ -34,35 +37,41 @@ module ActiveRecord !loaded? && foreign_key_present? && klass end - def update_counters(record) + def with_cache_name counter_cache_name = reflection.counter_cache_column + return unless counter_cache_name && owner.persisted? + yield counter_cache_name + end - if counter_cache_name && owner.persisted? && different_target?(record) - if record - record.class.increment_counter(counter_cache_name, record.id) - end + def update_counters(record) + with_cache_name do |name| + return unless different_target? record + record.class.increment_counter(name, record.id) + decrement_counter name + end + end - if foreign_key_present? - klass.decrement_counter(counter_cache_name, target_id) - end + def decrement_counters + with_cache_name { |name| decrement_counter name } + end + + def decrement_counter counter_cache_name + if foreign_key_present? + klass.decrement_counter(counter_cache_name, target_id) end end # Checks whether record is different to the current target, without loading it def different_target?(record) - if record.nil? - owner[reflection.foreign_key] - else - record.id != owner[reflection.foreign_key] - end + record.id != owner[reflection.foreign_key] end def replace_keys(record) - if record - owner[reflection.foreign_key] = record[reflection.association_primary_key(record.class)] - else - owner[reflection.foreign_key] = nil - end + owner[reflection.foreign_key] = record[reflection.association_primary_key(record.class)] + end + + def remove_keys + owner[reflection.foreign_key] = nil end def foreign_key_present? diff --git a/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb b/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb index eae5eed3a1..b710cf6bdb 100644 --- a/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb +++ b/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb @@ -11,7 +11,12 @@ module ActiveRecord def replace_keys(record) super - owner[reflection.foreign_type] = record && record.class.base_class.name + owner[reflection.foreign_type] = record.class.base_class.name + end + + def remove_keys + super + owner[reflection.foreign_type] = nil end def different_target?(record) diff --git a/activerecord/lib/active_record/associations/builder/association.rb b/activerecord/lib/active_record/associations/builder/association.rb index 37ba1c73b1..3911d1b520 100644 --- a/activerecord/lib/active_record/associations/builder/association.rb +++ b/activerecord/lib/active_record/associations/builder/association.rb @@ -1,3 +1,5 @@ +require 'active_support/core_ext/module/attribute_accessors' + # This is the parent Association class which defines the variables # used by all associations. # @@ -13,65 +15,67 @@ module ActiveRecord::Associations::Builder class Association #:nodoc: class << self attr_accessor :extensions + # TODO: This class accessor is needed to make activerecord-deprecated_finders work. + # We can move it to a constant in 5.0. + attr_accessor :valid_options end self.extensions = [] - VALID_OPTIONS = [:class_name, :class, :foreign_key, :validate] + self.valid_options = [:class_name, :class, :foreign_key, :validate] + + attr_reader :name, :scope, :options def self.build(model, name, scope, options, &block) - extension = define_extensions model, name, &block - reflection = create_reflection model, name, scope, options, extension + builder = create_builder model, name, scope, options, &block + reflection = builder.build(model) define_accessors model, reflection define_callbacks model, reflection + builder.define_extensions model reflection end - def self.create_reflection(model, name, scope, options, extension = nil) + def self.create_builder(model, name, scope, options, &block) raise ArgumentError, "association names must be a Symbol" unless name.kind_of?(Symbol) + new(model, name, scope, options, &block) + end + + def initialize(model, name, scope, options) + # TODO: Move this to create_builder as soon we drop support to activerecord-deprecated_finders. if scope.is_a?(Hash) options = scope scope = nil end - validate_options(options) + # TODO: Remove this model argument as soon we drop support to activerecord-deprecated_finders. + @name = name + @scope = scope + @options = options - scope = build_scope(scope, extension) - - ActiveRecord::Reflection.create(macro, name, scope, options, model) - end - - def self.build_scope(scope, extension) - new_scope = scope + validate_options if scope && scope.arity == 0 - new_scope = proc { instance_exec(&scope) } - end - - if extension - new_scope = wrap_scope new_scope, extension + @scope = proc { instance_exec(&scope) } end - - new_scope end - def self.wrap_scope(scope, extension) - scope + def build(model) + ActiveRecord::Reflection.create(macro, name, scope, options, model) end - def self.macro + def macro raise NotImplementedError end - def self.valid_options(options) - VALID_OPTIONS + Association.extensions.flat_map(&:valid_options) + def valid_options + Association.valid_options + Association.extensions.flat_map(&:valid_options) end - def self.validate_options(options) - options.assert_valid_keys(valid_options(options)) + def validate_options + options.assert_valid_keys(valid_options) end - def self.define_extensions(model, name) + def define_extensions(model) end def self.define_callbacks(model, reflection) @@ -114,6 +118,8 @@ module ActiveRecord::Associations::Builder raise NotImplementedError end + private + def self.add_before_destroy_callbacks(model, reflection) unless valid_dependent_options.include? reflection.options[:dependent] raise ArgumentError, "The :dependent option must be one of #{valid_dependent_options}, but is :#{reflection.options[:dependent]}" diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb index e8e36e7cd0..5ccaa55a32 100644 --- a/activerecord/lib/active_record/associations/builder/belongs_to.rb +++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb @@ -1,10 +1,10 @@ module ActiveRecord::Associations::Builder class BelongsTo < SingularAssociation #:nodoc: - def self.macro + def macro :belongs_to end - def self.valid_options(options) + def valid_options super + [:foreign_type, :polymorphic, :touch, :counter_cache] end @@ -23,6 +23,8 @@ module ActiveRecord::Associations::Builder add_counter_cache_methods mixin end + private + def self.add_counter_cache_methods(mixin) return if mixin.method_defined? :belongs_to_counter_cache_after_create @@ -110,7 +112,7 @@ module ActiveRecord::Associations::Builder end record = o.send name - unless record.nil? || record.new_record? + if record && record.persisted? if touch != true record.touch touch else diff --git a/activerecord/lib/active_record/associations/builder/collection_association.rb b/activerecord/lib/active_record/associations/builder/collection_association.rb index 2ff67f904d..bc15a49996 100644 --- a/activerecord/lib/active_record/associations/builder/collection_association.rb +++ b/activerecord/lib/active_record/associations/builder/collection_association.rb @@ -7,11 +7,22 @@ module ActiveRecord::Associations::Builder CALLBACKS = [:before_add, :after_add, :before_remove, :after_remove] - def self.valid_options(options) + def valid_options super + [:table_name, :before_add, :after_add, :before_remove, :after_remove, :extend] end + attr_reader :block_extension + + def initialize(model, name, scope, options) + super + @mod = nil + if block_given? + @mod = Module.new(&Proc.new) + @scope = wrap_scope @scope, @mod + end + end + def self.define_callbacks(model, reflection) super name = reflection.name @@ -21,11 +32,10 @@ module ActiveRecord::Associations::Builder } end - def self.define_extensions(model, name) - if block_given? + def define_extensions(model) + if @mod extension_module_name = "#{model.name.demodulize}#{name.to_s.camelize}AssociationExtension" - extension = Module.new(&Proc.new) - model.parent.const_set(extension_module_name, extension) + model.parent.const_set(extension_module_name, @mod) end end @@ -68,7 +78,9 @@ module ActiveRecord::Associations::Builder CODE end - def self.wrap_scope(scope, mod) + private + + def wrap_scope(scope, mod) if scope proc { |owner| instance_exec(owner, &scope).extending(mod) } else diff --git a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb index 1c9c04b044..e472277374 100644 --- a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb +++ b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb @@ -20,7 +20,7 @@ module ActiveRecord::Associations::Builder def self.build(lhs_class, name, options) if options[:join_table] - KnownTable.new options[:join_table] + KnownTable.new options[:join_table].to_s else class_name = options.fetch(:class_name) { name.to_s.camelize.singularize @@ -84,11 +84,11 @@ module ActiveRecord::Associations::Builder middle_name = [lhs_model.name.downcase.pluralize, association_name].join('_').gsub(/::/, '_').to_sym middle_options = middle_options join_model - - HasMany.create_reflection(lhs_model, - middle_name, - nil, - middle_options) + hm_builder = HasMany.create_builder(lhs_model, + middle_name, + nil, + middle_options) + hm_builder.build lhs_model end private diff --git a/activerecord/lib/active_record/associations/builder/has_many.rb b/activerecord/lib/active_record/associations/builder/has_many.rb index 227184cd19..7909b93622 100644 --- a/activerecord/lib/active_record/associations/builder/has_many.rb +++ b/activerecord/lib/active_record/associations/builder/has_many.rb @@ -1,10 +1,10 @@ module ActiveRecord::Associations::Builder class HasMany < CollectionAssociation #:nodoc: - def self.macro + def macro :has_many end - def self.valid_options(options) + def valid_options super + [:primary_key, :dependent, :as, :through, :source, :source_type, :inverse_of, :counter_cache] end diff --git a/activerecord/lib/active_record/associations/builder/has_one.rb b/activerecord/lib/active_record/associations/builder/has_one.rb index 064a3c8b51..f359efd496 100644 --- a/activerecord/lib/active_record/associations/builder/has_one.rb +++ b/activerecord/lib/active_record/associations/builder/has_one.rb @@ -1,10 +1,10 @@ module ActiveRecord::Associations::Builder class HasOne < SingularAssociation #:nodoc: - def self.macro + def macro :has_one end - def self.valid_options(options) + def valid_options valid = super + [:order, :as] valid += [:through, :source, :source_type] if options[:through] valid @@ -14,6 +14,8 @@ module ActiveRecord::Associations::Builder [:destroy, :delete, :nullify, :restrict_with_error, :restrict_with_exception] end + private + def self.add_before_destroy_callbacks(model, reflection) super unless reflection.options[:through] end diff --git a/activerecord/lib/active_record/associations/builder/singular_association.rb b/activerecord/lib/active_record/associations/builder/singular_association.rb index a6e8300642..e655c389a6 100644 --- a/activerecord/lib/active_record/associations/builder/singular_association.rb +++ b/activerecord/lib/active_record/associations/builder/singular_association.rb @@ -2,7 +2,7 @@ module ActiveRecord::Associations::Builder class SingularAssociation < Association #:nodoc: - def self.valid_options(options) + def valid_options super + [:remote, :dependent, :primary_key, :inverse_of] end diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 62f23f54f9..e9ed5d9979 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -4,7 +4,7 @@ module ActiveRecord # # CollectionAssociation is an abstract class that provides common stuff to # ease the implementation of association proxies that represent - # collections. See the class hierarchy in AssociationProxy. + # collections. See the class hierarchy in Association. # # CollectionAssociation: # HasManyAssociation => has_many @@ -193,7 +193,11 @@ module ActiveRecord # Count all records using SQL. Construct options and pass them with # scope to the target class's +count+. - def count(column_name = nil) + def count(column_name = nil, count_options = {}) + # TODO: Remove count_options argument as soon we remove support to + # activerecord-deprecated_finders. + column_name, count_options = nil, column_name if column_name.is_a?(Hash) + relation = scope if association_scope.distinct_value # This is needed because 'SELECT count(DISTINCT *)..' is not valid SQL. diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb index 0b37ecf5b7..0dabe256e3 100644 --- a/activerecord/lib/active_record/associations/collection_proxy.rb +++ b/activerecord/lib/active_record/associations/collection_proxy.rb @@ -669,8 +669,10 @@ module ActiveRecord # # #<Pet id: 2, name: "Spook", person_id: 1>, # # #<Pet id: 3, name: "Choo-Choo", person_id: 1> # # ] - def count(column_name = nil) - @association.count(column_name) + def count(column_name = nil, options = {}) + # TODO: Remove options argument as soon we remove support to + # activerecord-deprecated_finders. + @association.count(column_name, options) end # Returns the size of the collection. If the collection hasn't been loaded, diff --git a/activerecord/lib/active_record/associations/preloader/singular_association.rb b/activerecord/lib/active_record/associations/preloader/singular_association.rb index 2b5cfda8ce..f60647a81e 100644 --- a/activerecord/lib/active_record/associations/preloader/singular_association.rb +++ b/activerecord/lib/active_record/associations/preloader/singular_association.rb @@ -11,7 +11,7 @@ module ActiveRecord association = owner.association(reflection.name) association.target = record - association.set_inverse_instance(record) + association.set_inverse_instance(record) if record end end diff --git a/activerecord/lib/active_record/associations/singular_association.rb b/activerecord/lib/active_record/associations/singular_association.rb index 02dc464536..e4500af5b2 100644 --- a/activerecord/lib/active_record/associations/singular_association.rb +++ b/activerecord/lib/active_record/associations/singular_association.rb @@ -39,7 +39,9 @@ module ActiveRecord end def find_target - scope.first.tap { |record| set_inverse_instance(record) } + if record = scope.first + set_inverse_instance record + end end def replace(record) diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 217fc52dd5..73761520f7 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -330,7 +330,7 @@ module ActiveRecord end # Returns the value of the attribute identified by <tt>attr_name</tt> after it has been typecast (for example, - # "2004-12-12" in a data column is cast to a date object, like Date.new(2004, 12, 12)). It raises + # "2004-12-12" in a date column is cast to a date object, like Date.new(2004, 12, 12)). It raises # <tt>ActiveModel::MissingAttributeError</tt> if the identified attribute is missing. # # Alias for the <tt>read_attribute</tt> method. diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb index c152a246b5..d01e9aea59 100644 --- a/activerecord/lib/active_record/attribute_methods/read.rb +++ b/activerecord/lib/active_record/attribute_methods/read.rb @@ -102,7 +102,7 @@ module ActiveRecord end # Returns the value of the attribute identified by <tt>attr_name</tt> after - # it has been typecast (for example, "2004-12-12" in a data column is cast + # it has been typecast (for example, "2004-12-12" in a date column is cast # to a date object, like Date.new(2004, 12, 12)). def read_attribute(attr_name) # If it's cached, just return it 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 cfdcae7f63..cebe741daa 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -86,7 +86,7 @@ module ActiveRecord end end - # Return the number of threads currently waiting on this + # Returns the number of threads currently waiting on this # queue. def num_waiting synchronize do 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 1a323b6a9c..e196df079b 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -346,7 +346,7 @@ module ActiveRecord protected - # Return a subquery for the given key using the join information. + # Returns a subquery for the given key using the join information. def subquery_for(key, select) subselect = select.clone subselect.projections = [key] diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb index 552a22d28a..75501852ed 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb @@ -43,7 +43,9 @@ module ActiveRecord # SQLite does not understand dates, so this method will convert a Date # to a String. def type_cast(value, column) - return value.id if value.respond_to?(:quoted_id) + if value.respond_to?(:quoted_id) && value.respond_to?(:id) + return value.id + end case value when String, ActiveSupport::Multibyte::Chars 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 7c330a2f25..a51691bfa8 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb @@ -34,9 +34,10 @@ module ActiveRecord 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(', ') - create_sql << ") #{o.options}" + create_sql << "#{quote_table_name(o.name)} " + create_sql << "(#{o.columns.map { |c| accept c }.join(', ')}) " unless o.as + create_sql << "#{o.options}" + create_sql << " AS #{@conn.to_sql(o.as)}" if o.as create_sql end 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 063b19871a..c39bf15e83 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -49,14 +49,15 @@ module ActiveRecord # An array of ColumnDefinition objects, representing the column changes # that have been defined. attr_accessor :indexes - attr_reader :name, :temporary, :options + attr_reader :name, :temporary, :options, :as - def initialize(types, name, temporary, options) + def initialize(types, name, temporary, options, as = nil) @columns_hash = {} @indexes = {} @native = types @temporary = temporary @options = options + @as = as @name = name end 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 51a6929dab..00383bad3b 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -131,6 +131,9 @@ module ActiveRecord # [<tt>:force</tt>] # Set to true to drop the table before creating it. # Defaults to false. + # [<tt>:as</tt>] + # SQL to use to generate the table. When this option is used, the block is + # ignored, as are the <tt>:id</tt> and <tt>:primary_key</tt> options. # # ====== Add a backend specific option to the generated SQL (MySQL) # @@ -169,19 +172,31 @@ module ActiveRecord # supplier_id int # ) # + # ====== Create a temporary table based on a query + # + # create_table(:long_query, temporary: true, + # as: "SELECT * FROM orders INNER JOIN line_items ON order_id=orders.id") + # + # generates: + # + # CREATE TEMPORARY TABLE long_query AS + # SELECT * FROM orders INNER JOIN line_items ON order_id=orders.id + # # See also TableDefinition#column for details on how to create columns. def create_table(table_name, options = {}) - td = create_table_definition table_name, options[:temporary], options[:options] + td = create_table_definition table_name, options[:temporary], options[:options], options[:as] - unless options[:id] == false - pk = options.fetch(:primary_key) { - Base.get_primary_key table_name.to_s.singularize - } + if !options[:as] + unless options[:id] == false + pk = options.fetch(:primary_key) { + Base.get_primary_key table_name.to_s.singularize + } - td.primary_key pk, options.fetch(:id, :primary_key), options - end + td.primary_key pk, options.fetch(:id, :primary_key), options + end - yield td if block_given? + yield td if block_given? + end if options[:force] && table_exists?(table_name) drop_table(table_name, options) @@ -826,8 +841,8 @@ module ActiveRecord end private - def create_table_definition(name, temporary, options) - TableDefinition.new native_database_types, name, temporary, options + def create_table_definition(name, temporary, options, as = nil) + TableDefinition.new native_database_types, name, temporary, options, as end def create_alter_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 1b9f865666..7768c24967 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -303,12 +303,6 @@ module ActiveRecord else log(sql, name) { @connection.query(sql) } end - rescue ActiveRecord::StatementInvalid => exception - if exception.message.split(":").first =~ /Packets out of order/ - raise ActiveRecord::StatementInvalid.new("'Packets out of order' error was received from the database. Please update your mysql bindings (gem install mysql) and read http://dev.mysql.com/doc/mysql/en/password-hashing.html for more information. If you're on Windows, use the Instant Rails installer to get the updated mysql bindings.", exception.original_exception) - else - raise - end end # MysqlAdapter has to free a result after using it, so we use this method to write @@ -492,6 +486,10 @@ module ActiveRecord rename_table_indexes(table_name, new_name) end + def drop_table(table_name, options = {}) + execute "DROP#{' TEMPORARY' if options[:temporary]} TABLE #{quote_table_name(table_name)}" + end + def rename_index(table_name, old_name, new_name) if (version[0] == 5 && version[1] >= 7) || version[0] >= 6 execute "ALTER TABLE #{quote_table_name(table_name)} RENAME INDEX #{quote_table_name(old_name)} TO #{quote_table_name(new_name)}" diff --git a/activerecord/lib/active_record/connection_adapters/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/connection_specification.rb index 64fc9e95d8..7e16156408 100644 --- a/activerecord/lib/active_record/connection_adapters/connection_specification.rb +++ b/activerecord/lib/active_record/connection_adapters/connection_specification.rb @@ -16,38 +16,24 @@ module ActiveRecord ## # Builds a ConnectionSpecification from user input class Resolver # :nodoc: - attr_reader :config, :klass, :configurations + attr_reader :configurations - def initialize(config, configurations) - @config = config + def initialize(configurations) @configurations = configurations end - def spec - case config - when nil - raise AdapterNotSpecified unless defined?(Rails.env) - resolve_string_connection Rails.env - when Symbol, String - resolve_string_connection config.to_s - when Hash - resolve_hash_connection config - end - end - - private - def resolve_string_connection(spec) # :nodoc: - hash = configurations.fetch(spec) do |k| - connection_url_to_hash(k) + def resolve(config) + if config + resolve_connection config + elsif defined?(Rails.env) + resolve_env_connection Rails.env.to_sym + else + raise AdapterNotSpecified end - - raise(AdapterNotSpecified, "#{spec} database is not configured") unless hash - - resolve_hash_connection hash end - def resolve_hash_connection(spec) # :nodoc: - spec = spec.symbolize_keys + def spec(config) + spec = resolve(config).symbolize_keys raise(AdapterNotSpecified, "database configuration does not specify adapter") unless spec.key?(:adapter) @@ -61,20 +47,64 @@ module ActiveRecord end adapter_method = "#{spec[:adapter]}_connection" - ConnectionSpecification.new(spec, adapter_method) end - def connection_url_to_hash(url) # :nodoc: - config = URI.parse url + private + + def resolve_connection(spec) #:nodoc: + case spec + when Symbol, String + resolve_env_connection spec + when Hash + resolve_hash_connection spec + end + end + + def resolve_env_connection(spec) # :nodoc: + # Rails has historically accepted a string to mean either + # an environment key or a url spec, so we have deprecated + # this ambiguous behaviour and in the future this function + # can be removed in favor of resolve_string_connection and + # resolve_symbol_connection. + if config = configurations[spec.to_s] + if spec.is_a?(String) + ActiveSupport::Deprecation.warn "Passing a string to ActiveRecord::Base.establish_connection " \ + "for a configuration lookup is deprecated, please pass a symbol (#{spec.to_sym.inspect}) instead" + end + resolve_connection(config) + elsif spec.is_a?(String) + resolve_string_connection(spec) + else + raise(AdapterNotSpecified, "#{spec} database is not configured") + end + end + + def resolve_hash_connection(spec) # :nodoc: + spec + end + + def resolve_string_connection(spec) # :nodoc: + config = URI.parse spec adapter = config.scheme adapter = "postgresql" if adapter == "postgres" - spec = { :adapter => adapter, - :username => config.user, - :password => config.password, - :port => config.port, - :database => config.path.sub(%r{^/},""), - :host => config.host } + + database = if adapter == 'sqlite3' + if '/:memory:' == config.path + ':memory:' + else + config.path + end + else + config.path.sub(%r{^/},"") + end + + spec = { "adapter" => adapter, + "username" => config.user, + "password" => config.password, + "port" => config.port, + "database" => database, + "host" => config.host } spec.reject!{ |_,value| value.blank? } @@ -83,8 +113,7 @@ module ActiveRecord spec.map { |key,value| spec[key] = uri_parser.unescape(value) if value.is_a?(String) } if config.query - options = Hash[config.query.split("&").map{ |pair| pair.split("=") }].symbolize_keys - + options = Hash[config.query.split("&").map{ |pair| pair.split("=") }] spec.merge!(options) end diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index e790f731ea..6d8e994654 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -18,6 +18,12 @@ module ActiveRecord client = Mysql2::Client.new(config) options = [config[:host], config[:username], config[:password], config[:database], config[:port], config[:socket], 0] ConnectionAdapters::Mysql2Adapter.new(client, logger, options, config) + rescue Mysql2::Error => error + if error.message.include?("Unknown database") + raise ActiveRecord::NoDatabaseError.new(error.message) + else + raise error + end 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 c4dcba0501..7dbaa272a3 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -34,6 +34,12 @@ module ActiveRecord default_flags |= Mysql::CLIENT_FOUND_ROWS if Mysql.const_defined?(:CLIENT_FOUND_ROWS) options = [host, username, password, database, port, socket, default_flags] ConnectionAdapters::MysqlAdapter.new(mysql, logger, options, config) + rescue Mysql::Error => error + if error.message.include?("Unknown database") + raise ActiveRecord::NoDatabaseError.new(error.message) + else + raise error + end end end @@ -419,14 +425,19 @@ module ActiveRecord if result types = {} + fields = [] result.fetch_fields.each { |field| + field_name = field.name + fields << field_name + if field.decimals > 0 - types[field.name] = Fields::Decimal.new + types[field_name] = Fields::Decimal.new else - types[field.name] = Fields.find_type field + types[field_name] = Fields.find_type field end } - result_set = ActiveRecord::Result.new(types.keys, result.to_a, types) + + result_set = ActiveRecord::Result.new(fields, result.to_a, types) result.free else result_set = ActiveRecord::Result.new([], []) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb index bf34f2bdae..35ce881302 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb @@ -144,7 +144,7 @@ module ActiveRecord def quote_and_escape(value) case value - when "NULL" + when "NULL", Numeric value else "\"#{value.gsub(/"/,"\\\"")}\"" diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index d23a24589c..11a5eba464 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -46,7 +46,7 @@ module ActiveRecord # PostgreSQL-specific extensions to column definitions in a table. class PostgreSQLColumn < Column #:nodoc: attr_accessor :array - # Instantiates a new PostgreSQL column definition in a table. + def initialize(name, default, oid_type, sql_type = nil, null = true) @oid_type = oid_type default_value = self.class.extract_value_from_default(default) @@ -62,6 +62,14 @@ module ActiveRecord @default_function = default if has_default_function?(default_value, default) end + def number? + !array && super + end + + def text? + !array && super + end + # :stopdoc: class << self include ConnectionAdapters::PostgreSQLColumn::Cast @@ -865,6 +873,12 @@ module ActiveRecord PostgreSQLColumn.money_precision = (postgresql_version >= 80300) ? 19 : 10 configure_connection + rescue ::PG::Error => error + if error.message.include?("does not exist") + raise ActiveRecord::NoDatabaseError.new(error.message) + else + raise error + end end # Configures the encoding, verbosity, schema search path, and time zone of the connection. @@ -969,12 +983,12 @@ module ActiveRecord end def extract_table_ref_from_insert_sql(sql) - sql[/into\s+([^\(]*).*values\s*\(/i] + sql[/into\s+([^\(]*).*values\s*\(/im] $1.strip if $1 end - def create_table_definition(name, temporary, options) - TableDefinition.new native_database_types, name, temporary, options + def create_table_definition(name, temporary, options, as = nil) + TableDefinition.new native_database_types, name, temporary, options, as end def update_table_definition(table_name, base) diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 2cf1015f2c..92bb70ba53 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -31,6 +31,12 @@ module ActiveRecord db.busy_timeout(ConnectionAdapters::SQLite3Adapter.type_cast_config_to_integer(config[:timeout])) if config[:timeout] ConnectionAdapters::SQLite3Adapter.new(db, logger, config) + rescue Errno::ENOENT => error + if error.message.include?("No such file or directory") + raise ActiveRecord::NoDatabaseError.new(error.message) + else + raise error + end end end @@ -586,7 +592,11 @@ module ActiveRecord def translate_exception(exception, message) case exception.message - when /column(s)? .* (is|are) not unique/ + # SQLite 3.8.2 returns a newly formatted error message: + # UNIQUE constraint failed: *table_name*.*column_name* + # Older versions of SQLite return: + # column *column_name* is not unique + when /column(s)? .* (is|are) not unique/, /UNIQUE constraint failed: .*/ RecordNotUnique.new(message, exception) else super diff --git a/activerecord/lib/active_record/connection_handling.rb b/activerecord/lib/active_record/connection_handling.rb index a1943dfcb0..c4afadbd9b 100644 --- a/activerecord/lib/active_record/connection_handling.rb +++ b/activerecord/lib/active_record/connection_handling.rb @@ -32,11 +32,18 @@ module ActiveRecord # "postgres://myuser:mypass@localhost/somedatabase" # ) # + # In case <tt>ActiveRecord::Base.configurations</tt> is set (Rails + # automatically loads the contents of config/database.yml into it), + # a symbol can also be given as argument, representing a key in the + # configuration hash: + # + # ActiveRecord::Base.establish_connection(:production) + # # The exceptions AdapterNotSpecified, AdapterNotFound and ArgumentError # may be returned on an error. def establish_connection(spec = ENV["DATABASE_URL"]) - resolver = ConnectionAdapters::ConnectionSpecification::Resolver.new spec, configurations - spec = resolver.spec + resolver = ConnectionAdapters::ConnectionSpecification::Resolver.new configurations + spec = resolver.spec(spec) unless respond_to?(spec.adapter_method) raise AdapterNotFound, "database configuration specifies nonexistent #{spec.config[:adapter]} adapter" diff --git a/activerecord/lib/active_record/counter_cache.rb b/activerecord/lib/active_record/counter_cache.rb index 7e3bef9431..dcbdf75627 100644 --- a/activerecord/lib/active_record/counter_cache.rb +++ b/activerecord/lib/active_record/counter_cache.rb @@ -82,10 +82,10 @@ module ActiveRecord # Increment a numeric field by one, via a direct SQL update. # - # This method is used primarily for maintaining counter_cache columns used to - # store aggregate values. For example, a DiscussionBoard may cache posts_count - # and comments_count to avoid running an SQL query to calculate the number of - # posts and comments there are each time it is displayed. + # This method is used primarily for maintaining counter_cache columns that are + # used to store aggregate values. For example, a DiscussionBoard may cache + # posts_count and comments_count to avoid running an SQL query to calculate the + # number of posts and comments there are, each time it is displayed. # # ==== Parameters # diff --git a/activerecord/lib/active_record/dynamic_matchers.rb b/activerecord/lib/active_record/dynamic_matchers.rb index e650ebcf64..5caab09038 100644 --- a/activerecord/lib/active_record/dynamic_matchers.rb +++ b/activerecord/lib/active_record/dynamic_matchers.rb @@ -84,13 +84,18 @@ module ActiveRecord "#{finder}(#{attributes_hash})" end + # The parameters in the signature may have reserved Ruby words, in order + # to prevent errors, we start each param name with `_`. + # # Extended in activerecord-deprecated_finders def signature - attribute_names.join(', ') + attribute_names.map { |name| "_#{name}" }.join(', ') end + # Given that the parameters starts with `_`, the finder needs to use the + # same parameter name. def attributes_hash - "{" + attribute_names.map { |name| ":#{name} => #{name}" }.join(',') + "}" + "{" + attribute_names.map { |name| ":#{name} => _#{name}" }.join(',') + "}" end def finder diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb index 837989aaa7..2f8439892b 100644 --- a/activerecord/lib/active_record/enum.rb +++ b/activerecord/lib/active_record/enum.rb @@ -55,12 +55,12 @@ module ActiveRecord def enum(definitions) klass = self definitions.each do |name, values| - # DIRECTION = { } + # STATUS = { } enum_values = _enum_methods_module.const_set name.to_s.upcase, ActiveSupport::HashWithIndifferentAccess.new name = name.to_sym _enum_methods_module.module_eval do - # def direction=(value) self[:direction] = DIRECTION[value] end + # def status=(value) self[:status] = STATUS[value] end define_method("#{name}=") { |value| unless enum_values.has_key?(value) raise ArgumentError, "'#{value}' is not a valid #{name}" @@ -68,20 +68,20 @@ module ActiveRecord self[name] = enum_values[value] } - # def direction() DIRECTION.key self[:direction] end + # def status() STATUS.key self[:status] end define_method(name) { enum_values.key self[name] } pairs = values.respond_to?(:each_pair) ? values.each_pair : values.each_with_index pairs.each do |value, i| enum_values[value] = i - # scope :incoming, -> { where direction: 0 } + # scope :active, -> { where status: 0 } klass.scope value, -> { klass.where name => i } - # def incoming?() direction == 0 end + # def active?() status == 0 end define_method("#{value}?") { self[name] == i } - # def incoming! update! direction: :incoming end + # def active!() update! status: :active end define_method("#{value}!") { update! name => value } end end diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index 7e38719811..7f6228131f 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -94,6 +94,18 @@ module ActiveRecord class PreparedStatementInvalid < ActiveRecordError end + # Raised when a given database does not exist + class NoDatabaseError < ActiveRecordError + def initialize(message) + super extend_message(message) + end + + # can be over written to add additional error information. + def extend_message(message) + message + end + end + # Raised on attempt to save stale record. Record is stale when it's being saved in another query after # instantiation, for example, when two users edit the same wiki page and one starts editing and saves # the page before the other. @@ -188,7 +200,7 @@ module ActiveRecord end end - # Raised when a primary key is needed, but there is not one specified in the schema or model. + # Raised when a primary key is needed, but not specified in the schema or model. class UnknownPrimaryKey < ActiveRecordError attr_reader :model diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index d241788a9b..a7a54483bc 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -604,7 +604,7 @@ module ActiveRecord } end - # Return a hash of rows to be inserted. The key is the table, the value is + # Returns a hash of rows to be inserted. The key is the table, the value is # a list of rows to insert to that table. def table_rows now = config.default_timezone == :utc ? Time.now.utc : Time.now diff --git a/activerecord/lib/active_record/integration.rb b/activerecord/lib/active_record/integration.rb index 27576b1e61..31e2518540 100644 --- a/activerecord/lib/active_record/integration.rb +++ b/activerecord/lib/active_record/integration.rb @@ -98,8 +98,10 @@ module ActiveRecord super() else define_method :to_param do - if (default = super()) && (result = send(method_name).to_s).present? - "#{default}-#{result.squish.truncate(20, separator: /\s/, omission: nil).parameterize}" + if (default = super()) && + (result = send(method_name).to_s).present? && + (param = result.squish.truncate(20, separator: /\s/, omission: nil).parameterize).present? + "#{default}-#{param}" else default end diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb index 080b20134d..5b255c3fe5 100644 --- a/activerecord/lib/active_record/null_relation.rb +++ b/activerecord/lib/active_record/null_relation.rb @@ -50,8 +50,10 @@ module ActiveRecord 0 end - def calculate(_operation, _column_name) - if _operation == :count + def calculate(operation, _column_name, _options = {}) + # TODO: Remove _options argument as soon we remove support to + # activerecord-deprecated_finders. + if operation == :count 0 else nil diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb index eef08aea88..2c796f97e6 100644 --- a/activerecord/lib/active_record/railtie.rb +++ b/activerecord/lib/active_record/railtie.rb @@ -43,11 +43,24 @@ module ActiveRecord namespace :db do task :load_config do ActiveRecord::Tasks::DatabaseTasks.db_dir = Rails.application.config.paths["db"].first - ActiveRecord::Tasks::DatabaseTasks.database_configuration = Rails.application.config.database_configuration ActiveRecord::Tasks::DatabaseTasks.migrations_paths = Rails.application.paths['db/migrate'].to_a ActiveRecord::Tasks::DatabaseTasks.fixtures_path = File.join Rails.root, 'test', 'fixtures' ActiveRecord::Tasks::DatabaseTasks.root = Rails.root + configuration = if ENV["DATABASE_URL"] + { Rails.env => ENV["DATABASE_URL"] } + else + Rails.application.config.database_configuration || {} + end + + resolver = ActiveRecord::ConnectionAdapters::ConnectionSpecification::Resolver.new(configuration) + + configuration.each do |key, value| + configuration[key] = resolver.resolve(value) if value + end + + ActiveRecord::Tasks::DatabaseTasks.database_configuration = configuration + if defined?(ENGINE_PATH) && engine = Rails::Engine.find(ENGINE_PATH) if engine.paths['db/migrate'].existent ActiveRecord::Tasks::DatabaseTasks.migrations_paths += engine.paths['db/migrate'].to_a @@ -122,6 +135,14 @@ module ActiveRecord # and then establishes the connection. initializer "active_record.initialize_database" do |app| ActiveSupport.on_load(:active_record) do + + class ActiveRecord::NoDatabaseError + def extend_message(message) + message << "Run `$ bin/rake db:create db:migrate` to create your database" + message + end + end + self.configurations = app.config.database_configuration || {} establish_connection end diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index 52b3d3e5e6..90dfc177e5 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -14,11 +14,7 @@ db_namespace = namespace :db do desc 'Create the database from DATABASE_URL or config/database.yml for the current Rails.env (use db:create:all to create all databases in the config)' task :create => [:load_config] do - if ENV['DATABASE_URL'] - ActiveRecord::Tasks::DatabaseTasks.create_database_url - else - ActiveRecord::Tasks::DatabaseTasks.create_current - end + ActiveRecord::Tasks::DatabaseTasks.create_current end namespace :drop do @@ -29,11 +25,7 @@ db_namespace = namespace :db do desc 'Drops the database using DATABASE_URL or the current Rails.env (use db:drop:all to drop all databases)' task :drop => [:load_config] do - if ENV['DATABASE_URL'] - ActiveRecord::Tasks::DatabaseTasks.drop_database_url - else - ActiveRecord::Tasks::DatabaseTasks.drop_current - end + ActiveRecord::Tasks::DatabaseTasks.drop_current end desc "Migrate the database (options: VERSION=x, VERBOSE=false, SCOPE=blog)." @@ -343,7 +335,7 @@ db_namespace = namespace :db do end # desc "Recreate the test database from a fresh schema" - task :clone do + task :clone => :environment do case ActiveRecord::Base.schema_format when :ruby db_namespace["test:clone_schema"].invoke @@ -364,7 +356,7 @@ db_namespace = namespace :db do end # desc 'Check for pending migrations and load the test schema' - task :prepare => :load_config do + task :prepare => [:environment, :load_config] do unless ActiveRecord::Base.configurations.blank? db_namespace['test:load'].invoke end @@ -401,4 +393,3 @@ namespace :railties do end task 'test:prepare' => ['db:test:prepare', 'db:test:load', 'db:abort_if_pending_migrations'] - diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index cf24d10a8d..45ffb99868 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -19,16 +19,21 @@ module ActiveRecord # # Person.group(:city).count # # => { 'Rome' => 5, 'Paris' => 3 } - def count(column_name = nil) - calculate(:count, column_name) + def count(column_name = nil, options = {}) + # TODO: Remove options argument as soon we remove support to + # activerecord-deprecated_finders. + column_name, options = nil, column_name if column_name.is_a?(Hash) + calculate(:count, column_name, options) end # Calculates the average value on a given column. Returns +nil+ if there's # no row. See +calculate+ for examples with options. # # Person.average(:age) # => 35.8 - def average(column_name) - calculate(:average, column_name) + def average(column_name, options = {}) + # TODO: Remove options argument as soon we remove support to + # activerecord-deprecated_finders. + calculate(:average, column_name, options) end # Calculates the minimum value on a given column. The value is returned @@ -36,8 +41,10 @@ module ActiveRecord # +calculate+ for examples with options. # # Person.minimum(:age) # => 7 - def minimum(column_name) - calculate(:minimum, column_name) + def minimum(column_name, options = {}) + # TODO: Remove options argument as soon we remove support to + # activerecord-deprecated_finders. + calculate(:minimum, column_name, options) end # Calculates the maximum value on a given column. The value is returned @@ -45,8 +52,10 @@ module ActiveRecord # +calculate+ for examples with options. # # Person.maximum(:age) # => 93 - def maximum(column_name) - calculate(:maximum, column_name) + def maximum(column_name, options = {}) + # TODO: Remove options argument as soon we remove support to + # activerecord-deprecated_finders. + calculate(:maximum, column_name, options) end # Calculates the sum of values on a given column. The value is returned @@ -89,15 +98,17 @@ module ActiveRecord # Person.group(:last_name).having("min(age) > 17").minimum(:age) # # Person.sum("2 * age") - def calculate(operation, column_name) + def calculate(operation, column_name, options = {}) + # TODO: Remove options argument as soon we remove support to + # activerecord-deprecated_finders. if column_name.is_a?(Symbol) && attribute_alias?(column_name) column_name = attribute_alias(column_name) end if has_include?(column_name) - construct_relation_for_association_calculations.calculate(operation, column_name) + construct_relation_for_association_calculations.calculate(operation, column_name, options) else - perform_calculation(operation, column_name) + perform_calculation(operation, column_name, options) end end @@ -180,7 +191,9 @@ module ActiveRecord eager_loading? || (includes_values.present? && (column_name || references_eager_loaded_tables?)) end - def perform_calculation(operation, column_name) + def perform_calculation(operation, column_name, options = {}) + # TODO: Remove options argument as soon we remove support to + # activerecord-deprecated_finders. operation = operation.to_s.downcase # If #count is used with #distinct / #uniq it is considered distinct. (eg. relation.distinct.count) diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb index 1e15bddcdf..21beed332f 100644 --- a/activerecord/lib/active_record/relation/delegation.rb +++ b/activerecord/lib/active_record/relation/delegation.rb @@ -1,3 +1,4 @@ +require 'set' require 'active_support/concern' require 'active_support/deprecation' @@ -36,7 +37,14 @@ module ActiveRecord # may vary depending on the klass of a relation, so we create a subclass of Relation # for each different klass, and the delegations are compiled into that subclass only. - delegate :to_xml, :to_yaml, :length, :collect, :map, :each, :all?, :include?, :to_ary, :to => :to_a + BLACKLISTED_ARRAY_METHODS = [ + :compact!, :flatten!, :reject!, :reverse!, :rotate!, :map!, + :shuffle!, :slice!, :sort!, :sort_by!, :delete_if, + :keep_if, :pop, :shift, :delete_at, :compact + ].to_set # :nodoc: + + delegate :to_xml, :to_yaml, :length, :collect, :map, :each, :all?, :include?, :to_ary, to: :to_a + delegate :table_name, :quoted_table_name, :primary_key, :quoted_primary_key, :connection, :columns_hash, :to => :klass @@ -64,7 +72,7 @@ module ActiveRecord RUBY else define_method method do |*args, &block| - scoping { @klass.send(method, *args, &block) } + scoping { @klass.public_send(method, *args, &block) } end end end @@ -83,13 +91,10 @@ module ActiveRecord def method_missing(method, *args, &block) if @klass.respond_to?(method) self.class.delegate_to_scoped_klass(method) - scoping { @klass.send(method, *args, &block) } - elsif array_delegable?(method) - self.class.delegate method, :to => :to_a - to_a.send(method, *args, &block) + scoping { @klass.public_send(method, *args, &block) } elsif arel.respond_to?(method) self.class.delegate method, :to => :arel - arel.send(method, *args, &block) + arel.public_send(method, *args, &block) else super end @@ -109,30 +114,24 @@ module ActiveRecord end def respond_to?(method, include_private = false) - super || array_delegable?(method) || - @klass.respond_to?(method, include_private) || + super || @klass.respond_to?(method, include_private) || + array_delegable?(method) || arel.respond_to?(method, include_private) end protected def array_delegable?(method) - defined = Array.method_defined?(method) - if defined && method.to_s.ends_with?('!') - ActiveSupport::Deprecation.warn( - "Association will no longer delegate #{method} to #to_a as of Rails 4.2. You instead must first call #to_a on the association to expose the array to be acted on." - ) - end - defined + Array.method_defined?(method) && BLACKLISTED_ARRAY_METHODS.exclude?(method) end def method_missing(method, *args, &block) if @klass.respond_to?(method) - scoping { @klass.send(method, *args, &block) } + scoping { @klass.public_send(method, *args, &block) } elsif array_delegable?(method) - to_a.send(method, *args, &block) + to_a.public_send(method, *args, &block) elsif arel.respond_to?(method) - arel.send(method, *args, &block) + arel.public_send(method, *args, &block) else super end diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb index c60cd27a83..1252af7635 100644 --- a/activerecord/lib/active_record/relation/predicate_builder.rb +++ b/activerecord/lib/active_record/relation/predicate_builder.rb @@ -55,9 +55,9 @@ module ActiveRecord # # For polymorphic relationships, find the foreign key and type: # PriceEstimate.where(estimate_of: treasure) - if klass && value.is_a?(Base) && reflection = klass.reflect_on_association(column.to_sym) - if reflection.polymorphic? - queries << build(table[reflection.foreign_type], value.class.base_class) + if klass && reflection = klass.reflect_on_association(column.to_sym) + if reflection.polymorphic? && base_class = polymorphic_base_class_from_value(value) + queries << build(table[reflection.foreign_type], base_class) end column = reflection.foreign_key @@ -67,6 +67,18 @@ module ActiveRecord queries end + def self.polymorphic_base_class_from_value(value) + case value + when Relation + value.klass.base_class + when Array + val = value.compact.first + val.class.base_class if val.is_a?(Base) + when Base + value.class.base_class + end + end + def self.references(attributes) attributes.map do |key, value| if value.is_a?(Hash) diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index cacc787eba..3d0709266a 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -427,7 +427,7 @@ module ActiveRecord # === string # # A single string, without additional arguments, is passed to the query - # constructor as a SQL fragment, and used in the where clause of the query. + # constructor as an SQL fragment, and used in the where clause of the query. # # Client.where("orders_count = '2'") # # SELECT * from clients where orders_count = '2'; @@ -631,12 +631,11 @@ module ActiveRecord self end - # Returns a chainable relation with zero records, specifically an - # instance of the <tt>ActiveRecord::NullRelation</tt> class. + # Returns a chainable relation with zero records. # - # The returned <tt>ActiveRecord::NullRelation</tt> inherits from Relation and implements the - # Null Object pattern. It is an object with defined null behavior and always returns an empty - # array of records without querying the database. + # The returned relation implements the Null Object pattern. It is an + # object with defined null behavior and always returns an empty array of + # records without querying the database. # # Any subsequent condition chained to the returned relation will continue # generating an empty relation and will not fire any query to the database. @@ -656,7 +655,7 @@ module ActiveRecord # when 'Reviewer' # Post.published # when 'Bad User' - # Post.none # => returning [] instead breaks the previous code + # Post.none # It can't be chained if [] is returned. # end # end # @@ -983,8 +982,10 @@ module ActiveRecord end def build_select(arel, selects) - unless selects.empty? + if !selects.empty? arel.project(*selects) + elsif from_value + arel.project(Arel.star) else arel.project(@klass.arel_table[Arel.star]) end diff --git a/activerecord/lib/active_record/sanitization.rb b/activerecord/lib/active_record/sanitization.rb index cab8fd745a..dacaec26b7 100644 --- a/activerecord/lib/active_record/sanitization.rb +++ b/activerecord/lib/active_record/sanitization.rb @@ -100,8 +100,9 @@ module ActiveRecord # { status: nil, group_id: 1 } # # => "status = NULL , group_id = 1" def sanitize_sql_hash_for_assignment(attrs, table) + c = connection attrs.map do |attr, value| - "#{connection.quote_table_name_for_assignment(table, attr)} = #{quote_bound_value(value)}" + "#{c.quote_table_name_for_assignment(table, attr)} = #{quote_bound_value(value, c, columns_hash[attr.to_s])}" end.join(', ') end @@ -152,8 +153,10 @@ module ActiveRecord end end - def quote_bound_value(value, c = connection) #:nodoc: - if value.respond_to?(:map) && !value.acts_like?(:string) + def quote_bound_value(value, c = connection, column = nil) #:nodoc: + if column + c.quote(value, column) + elsif value.respond_to?(:map) && !value.acts_like?(:string) if value.respond_to?(:empty?) && value.empty? c.quote(nil) else diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb index be7d496d15..06592eece2 100644 --- a/activerecord/lib/active_record/tasks/database_tasks.rb +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -56,11 +56,7 @@ module ActiveRecord if options.has_key?(:config) @current_config = options[:config] else - @current_config ||= if ENV['DATABASE_URL'] - database_url_config - else - ActiveRecord::Base.configurations[options[:env]] - end + @current_config ||= ActiveRecord::Base.configurations[options[:env]] end end @@ -85,10 +81,6 @@ module ActiveRecord ActiveRecord::Base.establish_connection environment end - def create_database_url - create database_url_config - end - def drop(*arguments) configuration = arguments.first class_for_adapter(configuration['adapter']).new(*arguments).drop @@ -107,10 +99,6 @@ module ActiveRecord } end - def drop_database_url - drop database_url_config - end - def charset_current(environment = env) charset ActiveRecord::Base.configurations[environment] end @@ -165,11 +153,6 @@ module ActiveRecord private - def database_url_config - @database_url_config ||= - ConnectionAdapters::ConnectionSpecification::Resolver.new(ENV["DATABASE_URL"], {}).spec.config.stringify_keys - end - def class_for_adapter(adapter) key = @tasks.keys.detect { |pattern| adapter[pattern] } unless key diff --git a/activerecord/lib/active_record/version.rb b/activerecord/lib/active_record/version.rb index de5fd05468..863c3ebe4d 100644 --- a/activerecord/lib/active_record/version.rb +++ b/activerecord/lib/active_record/version.rb @@ -1,7 +1,7 @@ module ActiveRecord # Returns the version of the currently loaded ActiveRecord as a Gem::Version def self.version - Gem::Version.new "4.1.0.beta" + Gem::Version.new "4.1.0.beta1" end module VERSION #:nodoc: |