diff options
Diffstat (limited to 'activerecord/lib')
10 files changed, 138 insertions, 114 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 48628230c7..caf4e612f9 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -194,7 +194,7 @@ module ActiveRecord options[:dependent] end - delete_records(:all, dependent).tap do + delete_or_nullify_all_records(dependent).tap do reset loaded! end diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index aac85a36c8..f5e911c739 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -105,23 +105,27 @@ module ActiveRecord } end + def delete_count(method, scope) + if method == :delete_all + scope.delete_all + else + scope.update_all(reflection.foreign_key => nil) + end + end + + def delete_or_nullify_all_records(method) + count = delete_count(method, self.scope) + update_counter(-count) + end + # Deletes the records according to the <tt>:dependent</tt> option. def delete_records(records, method) if method == :destroy records.each(&:destroy!) update_counter(-records.length) unless inverse_updates_counter_cache? else - if records == :all || !reflection.klass.primary_key - scope = self.scope - else - scope = self.scope.where(reflection.klass.primary_key => records) - end - - if method == :delete_all - update_counter(-scope.delete_all) - else - update_counter(-scope.update_all(reflection.foreign_key => nil)) - end + scope = self.scope.where(reflection.klass.primary_key => records) + update_counter(-delete_count(method, scope)) end end diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index aeb77e2753..35ad512537 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -130,13 +130,13 @@ module ActiveRecord end end + def delete_or_nullify_all_records(method) + delete_records(load_target, method) + end + def delete_records(records, method) ensure_not_nested - # This is unoptimised; it will load all the target records - # even when we just want to delete everything. - records = load_target if records == :all - scope = through_association.scope scope.where! construct_join_attributes(*records) diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 7fd7accc6b..8bd51dc71f 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -359,6 +359,8 @@ module ActiveRecord # "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. # + # Note: +:id+ is always present. + # # Alias for the <tt>read_attribute</tt> method. # # class Person < ActiveRecord::Base diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb b/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb index 0b218f2bfd..5394ea0b7c 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb @@ -9,35 +9,23 @@ module ActiveRecord BRACKET_OPEN = '{' BRACKET_CLOSE = '}' - private - # Loads pg_array_parser if available. String parsing can be - # performed quicker by a native extension, which will not create - # a large amount of Ruby objects that will need to be garbage - # collected. pg_array_parser has a C and Java extension - begin - require 'pg_array_parser' - include PgArrayParser - rescue LoadError - def parse_pg_array(string) - parse_data(string) + def parse_pg_array(string) + local_index = 0 + array = [] + while(local_index < string.length) + case string[local_index] + when BRACKET_OPEN + local_index,array = parse_array_contents(array, string, local_index + 1) + when BRACKET_CLOSE + return array end + local_index += 1 end - def parse_data(string) - local_index = 0 - array = [] - while(local_index < string.length) - case string[local_index] - when BRACKET_OPEN - local_index,array = parse_array_contents(array, string, local_index + 1) - when BRACKET_CLOSE - return array - end - local_index += 1 - end + array + end - array - end + private def parse_array_contents(array, string, index) is_escaping = false diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/column.rb b/activerecord/lib/active_record/connection_adapters/postgresql/column.rb index 1d22b56964..82785825e5 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/column.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/column.rb @@ -29,8 +29,20 @@ module ActiveRecord # :stopdoc: class << self - include ConnectionAdapters::PostgreSQLColumn::Cast - include ConnectionAdapters::PostgreSQLColumn::ArrayParser + include PostgreSQLColumn::Cast + + # Loads pg_array_parser if available. String parsing can be + # performed quicker by a native extension, which will not create + # a large amount of Ruby objects that will need to be garbage + # collected. pg_array_parser has a C and Java extension + begin + require 'pg_array_parser' + include PgArrayParser + rescue LoadError + require 'active_record/connection_adapters/postgresql/array_parser' + include PostgreSQLColumn::ArrayParser + end + attr_accessor :money_precision end # :startdoc: diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb index b173163e41..1e89f8cfd6 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb @@ -374,6 +374,77 @@ This is not reliable and will be removed in the future. end end + # This class uses the data from PostgreSQL pg_type table to build + # the OID -> Type mapping. + # - OID is and integer representing the type. + # - Type is an OID::Type object. + # This class has side effects on the +store+ passed during initialization. + class TypeMapInitializer # :nodoc: + def initialize(store) + @store = store + end + + def run(records) + mapped, nodes = records.partition { |row| OID.registered_type? row['typname'] } + ranges, nodes = nodes.partition { |row| row['typtype'] == 'r' } + enums, nodes = nodes.partition { |row| row['typtype'] == 'e' } + domains, nodes = nodes.partition { |row| row['typtype'] == 'd' } + arrays, nodes = nodes.partition { |row| row['typinput'] == 'array_in' } + composites, nodes = nodes.partition { |row| row['typelem'] != '0' } + + mapped.each { |row| register_mapped_type(row) } + enums.each { |row| register_enum_type(row) } + domains.each { |row| register_domain_type(row) } + arrays.each { |row| register_array_type(row) } + ranges.each { |row| register_range_type(row) } + composites.each { |row| register_composite_type(row) } + end + + private + def register_mapped_type(row) + register row['oid'], OID::NAMES[row['typname']] + end + + def register_enum_type(row) + register row['oid'], OID::Enum.new + end + + def register_array_type(row) + if subtype = @store[row['typelem'].to_i] + register row['oid'], OID::Array.new(subtype) + end + end + + def register_range_type(row) + if subtype = @store[row['rngsubtype'].to_i] + register row['oid'], OID::Range.new(subtype) + end + end + + def register_domain_type(row) + if base_type = @store[row["typbasetype"].to_i] + register row['oid'], base_type + else + warn "unknown base type (OID: #{row["typbasetype"]}) for domain #{row["typname"]}." + end + end + + def register_composite_type(row) + if subtype = @store[row['typelem'].to_i] + register row['oid'], OID::Vector.new(row['typdelim'], subtype) + end + end + + def register(oid, oid_type) + oid = oid.to_i + + raise ArgumentError, "can't register nil type for OID #{oid}" if oid_type.nil? + return if @store.key?(oid) + + @store[oid] = oid_type + end + end + # When the PG adapter connects, the pg_type table is queried. The # key of this hash maps to the `typname` column from the table. # type_map is then dynamically built with oids as the key and type diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 764cb576d9..4908c5a47f 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -571,25 +571,6 @@ module ActiveRecord initialize_type_map(type_map) end - def add_oid(row, records_by_oid, type_map) - return type_map if type_map.key? row['type_elem'].to_i - - if OID.registered_type? row['typname'] - # this composite type is explicitly registered - vector = OID::NAMES[row['typname']] - else - # use the default for composite types - unless type_map.key? row['typelem'].to_i - add_oid records_by_oid[row['typelem']], records_by_oid, type_map - end - - vector = OID::Vector.new row['typdelim'], type_map[row['typelem'].to_i] - end - - type_map[row['oid'].to_i] = vector - type_map - end - def initialize_type_map(type_map, oids = nil) if supports_ranges? query = <<-SQL @@ -608,52 +589,9 @@ module ActiveRecord query += "WHERE t.oid::integer IN (%s)" % oids.join(", ") end - result = execute(query, 'SCHEMA') - ranges, nodes = result.partition { |row| row['typtype'] == 'r' } - enums, nodes = nodes.partition { |row| row['typtype'] == 'e' } - domains, nodes = nodes.partition { |row| row['typtype'] == 'd' } - arrays, nodes = nodes.partition { |row| row['typinput'] == 'array_in' } - leaves, nodes = nodes.partition { |row| row['typelem'] == '0' } - - # populate the enum types - enums.each do |row| - type_map[row['oid'].to_i] = OID::Enum.new - end - - # populate the base types - leaves.find_all { |row| OID.registered_type? row['typname'] }.each do |row| - type_map[row['oid'].to_i] = OID::NAMES[row['typname']] - end - - records_by_oid = result.group_by { |row| row['oid'] } - - # populate composite types - nodes.each do |row| - add_oid row, records_by_oid, type_map - end - - # populate array types - arrays.find_all { |row| type_map.key? row['typelem'].to_i }.each do |row| - array = OID::Array.new type_map[row['typelem'].to_i] - type_map[row['oid'].to_i] = array - end - - # populate range types - ranges.find_all { |row| type_map.key? row['rngsubtype'].to_i }.each do |row| - subtype = type_map[row['rngsubtype'].to_i] - range = OID::Range.new subtype - type_map[row['oid'].to_i] = range - end - - # populate domain types - domains.each do |row| - base_type_oid = row["typbasetype"].to_i - if base_type = type_map[base_type_oid] - type_map[row['oid'].to_i] = base_type - else - warn "unknown base type (OID: #{base_type_oid}) for domain #{row["typname"]}." - end - end + initializer = OID::TypeMapInitializer.new(type_map) + records = execute(query, 'SCHEMA') + initializer.run(records) end FEATURE_NOT_SUPPORTED = "0A000" #:nodoc: diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb index fcb28a18f6..ac41d0aa80 100644 --- a/activerecord/lib/active_record/relation/merger.rb +++ b/activerecord/lib/active_record/relation/merger.rb @@ -156,7 +156,7 @@ module ActiveRecord def filter_binds(lhs_binds, removed_wheres) return lhs_binds if removed_wheres.empty? - set = Set.new removed_wheres.map { |x| x.left.name } + set = Set.new removed_wheres.map { |x| x.left.name.to_s } lhs_binds.dup.delete_if { |col,_| set.include? col.name } end diff --git a/activerecord/lib/active_record/store.rb b/activerecord/lib/active_record/store.rb index 79a6ccbda0..7014bc6d45 100644 --- a/activerecord/lib/active_record/store.rb +++ b/activerecord/lib/active_record/store.rb @@ -66,8 +66,9 @@ module ActiveRecord extend ActiveSupport::Concern included do - class_attribute :stored_attributes, instance_accessor: false - self.stored_attributes = {} + class << self + attr_accessor :local_stored_attributes + end end module ClassMethods @@ -93,9 +94,9 @@ module ActiveRecord # assign new store attribute and create new hash to ensure that each class in the hierarchy # has its own hash of stored attributes. - self.stored_attributes = {} if self.stored_attributes.blank? - self.stored_attributes[store_attribute] ||= [] - self.stored_attributes[store_attribute] |= keys + self.local_stored_attributes ||= {} + self.local_stored_attributes[store_attribute] ||= [] + self.local_stored_attributes[store_attribute] |= keys end def _store_accessors_module @@ -105,6 +106,14 @@ module ActiveRecord mod end end + + def stored_attributes + parent = superclass.respond_to?(:stored_attributes) ? superclass.stored_attributes : {} + if self.local_stored_attributes + parent.merge!(self.local_stored_attributes) { |k, a, b| a | b } + end + parent + end end protected |