diff options
Diffstat (limited to 'activerecord/lib')
25 files changed, 134 insertions, 137 deletions
diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb index 16206c1056..8cd7389005 100644 --- a/activerecord/lib/active_record/aggregations.rb +++ b/activerecord/lib/active_record/aggregations.rb @@ -6,7 +6,7 @@ module ActiveRecord def clear_aggregation_cache #:nodoc: self.class.reflect_on_all_aggregations.to_a.each do |assoc| instance_variable_set "@#{assoc.name}", nil - end unless self.new_record? + end if self.persisted? end # Active Record implements aggregation through a macro-like class method called +composed_of+ diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index dc466eafc2..08a4ebfd7e 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -118,7 +118,7 @@ module ActiveRecord def clear_association_cache #:nodoc: self.class.reflect_on_all_associations.to_a.each do |assoc| instance_variable_set "@#{assoc.name}", nil - end unless self.new_record? + end if self.persisted? end private @@ -1839,8 +1839,6 @@ module ActiveRecord @join_parts = [JoinBase.new(base, joins)] @associations = {} @reflections = [] - @base_records_hash = {} - @base_records_in_order = [] @table_aliases = Hash.new(0) @table_aliases[base.table_name] = 1 build(associations) @@ -1874,15 +1872,18 @@ module ActiveRecord end def instantiate(rows) - rows.each_with_index do |row, i| - primary_id = join_base.record_id(row) - unless @base_records_hash[primary_id] - @base_records_in_order << (@base_records_hash[primary_id] = join_base.instantiate(row)) - end - construct(@base_records_hash[primary_id], @associations, join_associations.dup, row) - end - remove_duplicate_results!(join_base.active_record, @base_records_in_order, @associations) - return @base_records_in_order + primary_key = join_base.aliased_primary_key + parents = {} + + records = rows.map { |model| + primary_id = model[primary_key] + parent = parents[primary_id] ||= join_base.instantiate(model) + construct(parent, @associations, join_associations.dup, model) + parent + }.uniq + + remove_duplicate_results!(join_base.active_record, records, @associations) + records end def remove_duplicate_results!(base, records, associations) @@ -1982,10 +1983,13 @@ module ActiveRecord def construct(parent, associations, join_parts, row) case associations when Symbol, String + name = associations.to_s + join_part = join_parts.detect { |j| - j.reflection.name.to_s == associations.to_s && + j.reflection.name.to_s == name && j.parent_table_name == parent.class.table_name } - raise(ConfigurationError, "No such association") if join_part.nil? + + raise(ConfigurationError, "No such association") unless join_part join_parts.delete(join_part) construct_association(parent, join_part, row) @@ -1995,13 +1999,7 @@ module ActiveRecord end when Hash associations.sort_by { |k,_| k.to_s }.each do |name, assoc| - join_part = join_parts.detect{ |j| - j.reflection.name.to_s == name.to_s && - j.parent_table_name == parent.class.table_name } - raise(ConfigurationError, "No such association") if join_part.nil? - - association = construct_association(parent, join_part, row) - join_parts.delete(join_part) + association = construct(parent, name, join_parts, row) construct(association, assoc, join_parts, row) if association end else diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb index 896e18af01..71d8c2d3c8 100644 --- a/activerecord/lib/active_record/associations/association_collection.rb +++ b/activerecord/lib/active_record/associations/association_collection.rb @@ -120,13 +120,13 @@ module ActiveRecord # Since << flattens its argument list and inserts each record, +push+ and +concat+ behave identically. def <<(*records) result = true - load_target if @owner.new_record? + load_target unless @owner.persisted? transaction do flatten_deeper(records).each do |record| raise_on_type_mismatch(record) add_record_to_target_with_callbacks(record) do |r| - result &&= insert_record(record) unless @owner.new_record? + result &&= insert_record(record) if @owner.persisted? end end end @@ -285,12 +285,12 @@ module ActiveRecord # This method is abstract in the sense that it relies on # +count_records+, which is a method descendants have to provide. def size - if @owner.new_record? || (loaded? && !@reflection.options[:uniq]) + if !@owner.persisted? || (loaded? && !@reflection.options[:uniq]) @target.size elsif !loaded? && @reflection.options[:group] load_target.size elsif !loaded? && !@reflection.options[:uniq] && @target.is_a?(Array) - unsaved_records = @target.select { |r| r.new_record? } + unsaved_records = @target.reject { |r| r.persisted? } unsaved_records.size + count_records else count_records @@ -357,7 +357,7 @@ module ActiveRecord def include?(record) return false unless record.is_a?(@reflection.klass) - return include_in_memory?(record) if record.new_record? + return include_in_memory?(record) unless record.persisted? load_target if @reflection.options[:finder_sql] && !loaded? return @target.include?(record) if loaded? exists?(record) @@ -372,7 +372,7 @@ module ActiveRecord end def load_target - if !@owner.new_record? || foreign_key_present + if @owner.persisted? || foreign_key_present begin if !loaded? if @target.is_a?(Array) && @target.any? @@ -513,7 +513,7 @@ module ActiveRecord transaction do records.each { |record| callback(:before_remove, record) } - old_records = records.reject { |r| r.new_record? } + old_records = records.select { |r| r.persisted? } yield(records, old_records) records.each { |record| callback(:after_remove, record) } end @@ -538,14 +538,14 @@ module ActiveRecord end def ensure_owner_is_not_new - if @owner.new_record? + unless @owner.persisted? raise ActiveRecord::RecordNotSaved, "You cannot call create unless the parent is saved" end end def fetch_first_or_last_using_find?(args) - args.first.kind_of?(Hash) || !(loaded? || @owner.new_record? || @reflection.options[:finder_sql] || - @target.any? { |record| record.new_record? } || args.first.kind_of?(Integer)) + args.first.kind_of?(Hash) || !(loaded? || !@owner.persisted? || @reflection.options[:finder_sql] || + !@target.all? { |record| record.persisted? } || args.first.kind_of?(Integer)) end def include_in_memory?(record) diff --git a/activerecord/lib/active_record/associations/association_proxy.rb b/activerecord/lib/active_record/associations/association_proxy.rb index 0c12c3737d..09bba213ce 100644 --- a/activerecord/lib/active_record/associations/association_proxy.rb +++ b/activerecord/lib/active_record/associations/association_proxy.rb @@ -53,7 +53,7 @@ module ActiveRecord alias_method :proxy_respond_to?, :respond_to? alias_method :proxy_extend, :extend delegate :to_param, :to => :proxy_target - instance_methods.each { |m| undef_method m unless m.to_s =~ /^(?:nil\?|send|object_id|to_a)$|^__|proxy_/ } + instance_methods.each { |m| undef_method m unless m.to_s =~ /^(?:nil\?|send|object_id|to_a)$|^__|^respond_to_missing|proxy_/ } def initialize(owner, reflection) @owner, @reflection = owner, reflection @@ -175,10 +175,10 @@ module ActiveRecord # If the association is polymorphic the type of the owner is also set. def set_belongs_to_association_for(record) if @reflection.options[:as] - record["#{@reflection.options[:as]}_id"] = @owner.id unless @owner.new_record? + record["#{@reflection.options[:as]}_id"] = @owner.id if @owner.persisted? record["#{@reflection.options[:as]}_type"] = @owner.class.base_class.name.to_s else - unless @owner.new_record? + if @owner.persisted? primary_key = @reflection.options[:primary_key] || :id record[@reflection.primary_key_name] = @owner.send(primary_key) end @@ -252,7 +252,7 @@ module ActiveRecord def load_target return nil unless defined?(@loaded) - if !loaded? and (!@owner.new_record? || foreign_key_present) + if !loaded? and (@owner.persisted? || foreign_key_present) @target = find_target end diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb index 34b6cd5576..b624951cd9 100644 --- a/activerecord/lib/active_record/associations/belongs_to_association.rb +++ b/activerecord/lib/active_record/associations/belongs_to_association.rb @@ -14,7 +14,7 @@ module ActiveRecord counter_cache_name = @reflection.counter_cache_column if record.nil? - if counter_cache_name && !@owner.new_record? + if counter_cache_name && @owner.persisted? @reflection.klass.decrement_counter(counter_cache_name, previous_record_id) if @owner[@reflection.primary_key_name] end @@ -22,13 +22,13 @@ module ActiveRecord else raise_on_type_mismatch(record) - if counter_cache_name && !@owner.new_record? && record.id != @owner[@reflection.primary_key_name] + if counter_cache_name && @owner.persisted? && record.id != @owner[@reflection.primary_key_name] @reflection.klass.increment_counter(counter_cache_name, record.id) @reflection.klass.decrement_counter(counter_cache_name, @owner[@reflection.primary_key_name]) if @owner[@reflection.primary_key_name] end @target = (AssociationProxy === record ? record.target : record) - @owner[@reflection.primary_key_name] = record_id(record) unless record.new_record? + @owner[@reflection.primary_key_name] = record_id(record) if record.persisted? @updated = true end diff --git a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb index 1fc9aba5cf..da742fa668 100644 --- a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb +++ b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb @@ -34,7 +34,7 @@ module ActiveRecord end def insert_record(record, force = true, validate = true) - if record.new_record? + unless record.persisted? if force record.save! else 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 437c8b1fd6..51770cff0f 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -59,7 +59,7 @@ module ActiveRecord end def insert_record(record, force = true, validate = true) - if record.new_record? + unless record.persisted? if force record.save! else diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index 17901387e9..e6e037441f 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -30,18 +30,18 @@ module ActiveRecord if dependent? && !dont_save case @reflection.options[:dependent] when :delete - @target.delete unless @target.new_record? + @target.delete if @target.persisted? @owner.clear_association_cache when :destroy - @target.destroy unless @target.new_record? + @target.destroy if @target.persisted? @owner.clear_association_cache when :nullify @target[@reflection.primary_key_name] = nil - @target.save unless @owner.new_record? || @target.new_record? + @target.save if @owner.persisted? && @target.persisted? end else @target[@reflection.primary_key_name] = nil - @target.save unless @owner.new_record? || @target.new_record? + @target.save if @owner.persisted? && @target.persisted? end end @@ -56,7 +56,7 @@ module ActiveRecord set_inverse_instance(obj, @owner) @loaded = true - unless @owner.new_record? or obj.nil? or dont_save + unless !@owner.persisted? or obj.nil? or dont_save return (obj.save ? self : false) else return (obj.nil? ? nil : self) @@ -113,7 +113,7 @@ module ActiveRecord if replace_existing replace(record, true) else - record[@reflection.primary_key_name] = @owner.id unless @owner.new_record? + record[@reflection.primary_key_name] = @owner.id if @owner.persisted? self.target = record set_inverse_instance(record, @owner) end diff --git a/activerecord/lib/active_record/associations/has_one_through_association.rb b/activerecord/lib/active_record/associations/has_one_through_association.rb index 7f28abf464..6e98f7dffb 100644 --- a/activerecord/lib/active_record/associations/has_one_through_association.rb +++ b/activerecord/lib/active_record/associations/has_one_through_association.rb @@ -21,7 +21,7 @@ module ActiveRecord if current_object new_value ? current_object.update_attributes(construct_join_attributes(new_value)) : current_object.destroy elsif new_value - if @owner.new_record? + unless @owner.persisted? self.target = new_value through_association = @owner.send(:association_instance_get, @reflection.through_reflection.name) through_association.build(construct_join_attributes(new_value)) diff --git a/activerecord/lib/active_record/attribute_methods/primary_key.rb b/activerecord/lib/active_record/attribute_methods/primary_key.rb index 82d94b848a..75ae06f5e9 100644 --- a/activerecord/lib/active_record/attribute_methods/primary_key.rb +++ b/activerecord/lib/active_record/attribute_methods/primary_key.rb @@ -3,10 +3,11 @@ module ActiveRecord module PrimaryKey extend ActiveSupport::Concern - # Returns this record's primary key value wrapped in an Array - # or nil if the record is a new_record? + # Returns this record's primary key value wrapped in an Array or nil if + # the record is not persisted? or has just been destroyed. def to_key - new_record? ? nil : [ id ] + key = send(self.class.primary_key) + [key] if key end module ClassMethods diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb index 0b89a49896..cb5bc06580 100644 --- a/activerecord/lib/active_record/autosave_association.rb +++ b/activerecord/lib/active_record/autosave_association.rb @@ -217,7 +217,7 @@ module ActiveRecord # Returns whether or not this record has been changed in any way (including whether # any of its nested autosave associations are likewise changed) def changed_for_autosave? - new_record? || changed? || marked_for_destruction? || nested_records_changed_for_autosave? + !persisted? || changed? || marked_for_destruction? || nested_records_changed_for_autosave? end private @@ -231,7 +231,7 @@ module ActiveRecord elsif autosave association.target.find_all { |record| record.changed_for_autosave? } else - association.target.find_all { |record| record.new_record? } + association.target.find_all { |record| !record.persisted? } end end @@ -257,7 +257,7 @@ module ActiveRecord # +reflection+. def validate_collection_association(reflection) if association = association_instance_get(reflection.name) - if records = associated_records_to_validate_or_save(association, new_record?, reflection.options[:autosave]) + if records = associated_records_to_validate_or_save(association, !persisted?, reflection.options[:autosave]) records.each { |record| association_valid?(reflection, record) } end end @@ -286,7 +286,7 @@ module ActiveRecord # Is used as a before_save callback to check while saving a collection # association whether or not the parent was a new record before saving. def before_save_collection_association - @new_record_before_save = new_record? + @new_record_before_save = !persisted? true end @@ -308,7 +308,7 @@ module ActiveRecord if autosave && record.marked_for_destruction? association.destroy(record) - elsif autosave != false && (@new_record_before_save || record.new_record?) + elsif autosave != false && (@new_record_before_save || !record.persisted?) if autosave saved = association.send(:insert_record, record, false, false) else @@ -343,7 +343,7 @@ module ActiveRecord association.destroy else key = reflection.options[:primary_key] ? send(reflection.options[:primary_key]) : id - if autosave != false && (new_record? || association.new_record? || association[reflection.primary_key_name] != key || autosave) + if autosave != false && (!persisted? || !association.persisted? || association[reflection.primary_key_name] != key || autosave) association[reflection.primary_key_name] = key saved = association.save(:validate => !autosave) raise ActiveRecord::Rollback if !saved && autosave @@ -363,7 +363,7 @@ module ActiveRecord if autosave && association.marked_for_destruction? association.destroy elsif autosave != false - saved = association.save(:validate => !autosave) if association.new_record? || autosave + saved = association.save(:validate => !autosave) if !association.persisted? || autosave if association.updated? association_id = association.send(reflection.options[:primary_key] || :id) diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index 06a388cd21..f588475bbf 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -204,7 +204,7 @@ module ActiveRecord #:nodoc: # # # No 'Winter' tag exists # winter = Tag.find_or_initialize_by_name("Winter") - # winter.new_record? # true + # winter.persisted? # false # # To find by a subset of the attributes to be used for instantiating a new object, pass a hash instead of # a list of parameters. @@ -1368,7 +1368,7 @@ MSG def initialize(attributes = nil) @attributes = attributes_from_column_definition @attributes_cache = {} - @new_record = true + @persisted = false @readonly = false @destroyed = false @marked_for_destruction = false @@ -1403,7 +1403,7 @@ MSG clear_aggregation_cache clear_association_cache @attributes_cache = {} - @new_record = true + @persisted = false ensure_proper_type populate_with_current_scope_attributes @@ -1422,7 +1422,8 @@ MSG def init_with(coder) @attributes = coder['attributes'] @attributes_cache, @previously_changed, @changed_attributes = {}, {}, {} - @new_record = @readonly = @destroyed = @marked_for_destruction = false + @readonly = @destroyed = @marked_for_destruction = false + @persisted = true _run_find_callbacks _run_initialize_callbacks end @@ -1463,7 +1464,7 @@ MSG # Person.find(5).cache_key # => "people/5-20071224150000" (updated_at available) def cache_key case - when new_record? + when !persisted? "#{self.class.model_name.cache_key}/new" when timestamp = self[:updated_at] "#{self.class.model_name.cache_key}/#{id}-#{timestamp.to_s(:number)}" @@ -1584,8 +1585,9 @@ MSG # Returns true if the +comparison_object+ is the same object, or is of the same type and has the same id. def ==(comparison_object) comparison_object.equal?(self) || - (comparison_object.instance_of?(self.class) && - comparison_object.id == id && !comparison_object.new_record?) + persisted? && + (comparison_object.instance_of?(self.class) && + comparison_object.id == id) end # Delegates to == @@ -1630,7 +1632,7 @@ MSG # Returns the contents of the record as a nicely formatted string. def inspect attributes_as_nice_string = self.class.column_names.collect { |name| - if has_attribute?(name) || new_record? + if has_attribute?(name) || !persisted? "#{name}: #{attribute_for_inspect(name)}" end }.compact.join(", ") 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 6178130c00..ee9a0af35c 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -50,7 +50,7 @@ module ActiveRecord # Executes +sql+ statement in the context of this connection using # +binds+ as the bind substitutes. +name+ is logged along with # the executed +sql+ statement. - def exec(sql, name = 'SQL', binds = []) + def exec_query(sql, name = 'SQL', binds = []) end # Returns the last auto-generated ID from the affected table. diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index 7d47d06ae1..ce2352486b 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -326,7 +326,7 @@ module ActiveRecord @statements.clear end - def exec(sql, name = 'SQL', binds = []) + def exec_query(sql, name = 'SQL', binds = []) log(sql, name) do result = nil @@ -708,7 +708,7 @@ module ActiveRecord def select(sql, name = nil, binds = []) @connection.query_with_result = true - rows = exec(sql, name, binds).to_a + rows = exec_query(sql, name, binds).to_a @connection.more_results && @connection.next_result # invoking stored procedures with CLIENT_MULTI_RESULTS requires this to tidy up else connection will be dropped rows end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 58c0f85dc2..ccc5085b84 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -398,7 +398,7 @@ module ActiveRecord # Set the authorized user for this session def session_auth=(user) clear_cache! - exec "SET SESSION AUTHORIZATION #{user}" + exec_query "SET SESSION AUTHORIZATION #{user}" end # REFERENTIAL INTEGRITY ==================================== @@ -532,7 +532,7 @@ module ActiveRecord Arel.sql("$#{current_values.length + 1}") end - def exec(sql, name = 'SQL', binds = []) + def exec_query(sql, name = 'SQL', binds = []) return exec_no_cache(sql, name) if binds.empty? log(sql, name) do @@ -714,8 +714,8 @@ module ActiveRecord # Returns the list of all column definitions for a table. def columns(table_name, name = nil) # Limit, precision, and scale are all handled by the superclass. - column_definitions(table_name).collect do |name, type, default, notnull| - PostgreSQLColumn.new(name, default, type, notnull == 'f') + column_definitions(table_name).collect do |column_name, type, default, notnull| + PostgreSQLColumn.new(column_name, default, type, notnull == 'f') end end @@ -932,12 +932,12 @@ module ActiveRecord # requires that the ORDER BY include the distinct column. # # distinct("posts.id", "posts.created_at desc") - def distinct(columns, order_by) #:nodoc: - return "DISTINCT #{columns}" if order_by.blank? + def distinct(columns, orders) #:nodoc: + return "DISTINCT #{columns}" if orders.empty? # Construct a clean list of column names from the ORDER BY clause, removing # any ASC/DESC modifiers - order_columns = order_by.split(',').collect { |s| s.split.first } + order_columns = orders.collect { |s| s =~ /^(.+)\s+(ASC|DESC)\s*$/i ? $1 : s } order_columns.delete_if { |c| c.blank? } order_columns = order_columns.zip((0...order_columns.size).to_a).map { |s,i| "#{s} AS alias_#{i}" } @@ -1040,7 +1040,7 @@ module ActiveRecord # Executes a SELECT query and returns the results, performing any data type # conversions that are required to be performed here instead of in PostgreSQLColumn. def select(sql, name = nil, binds = []) - exec(sql, name, binds).to_a + exec_query(sql, name, binds).to_a end def select_raw(sql, name = nil) diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb index fc4d84a4f2..d76fc4103e 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb @@ -143,7 +143,7 @@ module ActiveRecord # DATABASE STATEMENTS ====================================== - def exec(sql, name = nil, binds = []) + def exec_query(sql, name = nil, binds = []) log(sql, name) do # Don't cache statements without bind values @@ -186,7 +186,7 @@ module ActiveRecord alias :create :insert_sql def select_rows(sql, name = nil) - exec(sql, name).rows + exec_query(sql, name).rows end def begin_db_transaction #:nodoc: @@ -210,7 +210,7 @@ module ActiveRecord WHERE type = 'table' AND NOT name = 'sqlite_sequence' SQL - exec(sql, name).map do |row| + exec_query(sql, name).map do |row| row['name'] end end @@ -222,12 +222,12 @@ module ActiveRecord end def indexes(table_name, name = nil) #:nodoc: - exec("PRAGMA index_list(#{quote_table_name(table_name)})", name).map do |row| + exec_query("PRAGMA index_list(#{quote_table_name(table_name)})", name).map do |row| IndexDefinition.new( table_name, row['name'], row['unique'] != 0, - exec("PRAGMA index_info('#{row['name']}')").map { |col| + exec_query("PRAGMA index_info('#{row['name']}')").map { |col| col['name'] }) end @@ -241,11 +241,11 @@ module ActiveRecord end def remove_index!(table_name, index_name) #:nodoc: - exec "DROP INDEX #{quote_column_name(index_name)}" + exec_query "DROP INDEX #{quote_column_name(index_name)}" end def rename_table(name, new_name) - exec "ALTER TABLE #{quote_table_name(name)} RENAME TO #{quote_table_name(new_name)}" + exec_query "ALTER TABLE #{quote_table_name(name)} RENAME TO #{quote_table_name(new_name)}" end # See: http://www.sqlite.org/lang_altertable.html @@ -282,7 +282,7 @@ module ActiveRecord def change_column_null(table_name, column_name, null, default = nil) unless null || default.nil? - exec("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL") + exec_query("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL") end alter_table(table_name) do |definition| definition[column_name].null = null @@ -314,7 +314,7 @@ module ActiveRecord protected def select(sql, name = nil, binds = []) #:nodoc: - result = exec(sql, name, binds) + result = exec_query(sql, name, binds) columns = result.columns.map { |column| column.sub(/^"?\w+"?\./, '') } @@ -399,11 +399,11 @@ module ActiveRecord quoted_columns = columns.map { |col| quote_column_name(col) } * ',' quoted_to = quote_table_name(to) - exec("SELECT * FROM #{quote_table_name(from)}").each do |row| + exec_query("SELECT * FROM #{quote_table_name(from)}").each do |row| sql = "INSERT INTO #{quoted_to} (#{quoted_columns}) VALUES (" sql << columns.map {|col| quote row[column_mappings[col]]} * ', ' sql << ')' - exec sql + exec_query sql end end diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb index b6f87a57b8..bf626301f1 100644 --- a/activerecord/lib/active_record/locking/optimistic.rb +++ b/activerecord/lib/active_record/locking/optimistic.rb @@ -109,7 +109,7 @@ module ActiveRecord def destroy #:nodoc: return super unless locking_enabled? - unless new_record? + if persisted? lock_col = self.class.locking_column previous_value = send(lock_col).to_i diff --git a/activerecord/lib/active_record/locking/pessimistic.rb b/activerecord/lib/active_record/locking/pessimistic.rb index 9ad6a2baf7..d900831e13 100644 --- a/activerecord/lib/active_record/locking/pessimistic.rb +++ b/activerecord/lib/active_record/locking/pessimistic.rb @@ -47,7 +47,7 @@ module ActiveRecord # or pass true for "FOR UPDATE" (the default, an exclusive row lock). Returns # the locked record. def lock!(lock = true) - reload(:lock => lock) unless new_record? + reload(:lock => lock) if persisted? self end end diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb index aca91c907d..fb48459b6f 100644 --- a/activerecord/lib/active_record/nested_attributes.rb +++ b/activerecord/lib/active_record/nested_attributes.rb @@ -323,7 +323,7 @@ module ActiveRecord (options[:update_only] || record.id.to_s == attributes['id'].to_s) assign_to_or_mark_for_destruction(record, attributes, options[:allow_destroy]) unless call_reject_if(association_name, attributes) - elsif attributes['id'] + elsif !attributes['id'].blank? raise_nested_attributes_record_not_found(association_name, attributes['id']) elsif !reject_new_record?(association_name, attributes) diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index 707c1a05be..594a2214bb 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -4,7 +4,7 @@ module ActiveRecord # Returns true if this object hasn't been saved yet -- that is, a record # for the object doesn't exist in the data store yet; otherwise, returns false. def new_record? - @new_record + !@persisted end # Returns true if this object has been destroyed, otherwise returns false. @@ -15,7 +15,7 @@ module ActiveRecord # Returns if the record is persisted, i.e. it's not a new record and it was # not destroyed. def persisted? - !(new_record? || destroyed?) + @persisted && !destroyed? end # Saves the model. @@ -94,8 +94,9 @@ module ActiveRecord became = klass.new became.instance_variable_set("@attributes", @attributes) became.instance_variable_set("@attributes_cache", @attributes_cache) - became.instance_variable_set("@new_record", new_record?) + became.instance_variable_set("@persisted", persisted?) became.instance_variable_set("@destroyed", destroyed?) + became.type = klass.name unless self.class.descends_from_active_record? became end @@ -240,7 +241,7 @@ module ActiveRecord private def create_or_update raise ReadOnlyRecord if readonly? - result = new_record? ? create : update + result = persisted? ? update : create result != false end @@ -269,7 +270,7 @@ module ActiveRecord self.id ||= new_id - @new_record = false + @persisted = true id end diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index fe1ef2e2e3..e9e9c85122 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -171,14 +171,16 @@ module ActiveRecord def exists?(id = nil) id = id.id if ActiveRecord::Base === id + relation = select(primary_key).limit(1) + case id when Array, Hash - where(id).exists? + relation = relation.where(id) else - relation = select(primary_key).limit(1) relation = relation.where(primary_key.eq(id)) if id - relation.first ? true : false end + + relation.first ? true : false end protected @@ -222,7 +224,7 @@ module ActiveRecord end def construct_limited_ids_condition(relation) - orders = relation.order_values.join(", ") + orders = relation.order_values values = @klass.connection.distinct("#{@klass.connection.quote_table_name @klass.table_name}.#{@klass.primary_key}", orders) ids_array = relation.select(values).collect {|row| row[@klass.primary_key]} diff --git a/activerecord/lib/active_record/session_store.rb b/activerecord/lib/active_record/session_store.rb index 3fc596e02a..ba99800fb2 100644 --- a/activerecord/lib/active_record/session_store.rb +++ b/activerecord/lib/active_record/session_store.rb @@ -228,7 +228,7 @@ module ActiveRecord @session_id = attributes[:session_id] @data = attributes[:data] @marshaled_data = attributes[:marshaled_data] - @new_record = @marshaled_data.nil? + @persisted = !@marshaled_data.nil? end # Lazy-unmarshal session state. @@ -252,8 +252,8 @@ module ActiveRecord marshaled_data = self.class.marshal(data) connect = connection - if @new_record - @new_record = false + unless @persisted + @persisted = true connect.update <<-end_sql, 'Create session' INSERT INTO #{table_name} ( #{connect.quote_column_name(session_id_column)}, @@ -272,7 +272,7 @@ module ActiveRecord end def destroy - return if @new_record + return unless @persisted connect = connection connect.delete <<-end_sql, 'Destroy session' @@ -321,6 +321,7 @@ module ActiveRecord if sid = current_session_id(env) Base.silence do get_session_model(env, sid).destroy + env[SESSION_RECORD_KEY] = nil end end diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb index ab737f0f88..8c94d1a2bc 100644 --- a/activerecord/lib/active_record/transactions.rb +++ b/activerecord/lib/active_record/transactions.rb @@ -242,7 +242,7 @@ module ActiveRecord with_transaction_returning_status { super } end - # Reset id and @new_record if the transaction rolls back. + # Reset id and @persisted if the transaction rolls back. def rollback_active_record_state! remember_transaction_record_state yield @@ -297,9 +297,9 @@ module ActiveRecord # Save the new record state and id of a record so it can be restored later if a transaction fails. def remember_transaction_record_state #:nodoc @_start_transaction_state ||= {} - unless @_start_transaction_state.include?(:new_record) + unless @_start_transaction_state.include?(:persisted) @_start_transaction_state[:id] = id if has_attribute?(self.class.primary_key) - @_start_transaction_state[:new_record] = @new_record + @_start_transaction_state[:persisted] = @persisted end unless @_start_transaction_state.include?(:destroyed) @_start_transaction_state[:destroyed] = @destroyed @@ -323,7 +323,7 @@ module ActiveRecord restore_state = remove_instance_variable(:@_start_transaction_state) if restore_state @attributes = @attributes.dup if @attributes.frozen? - @new_record = restore_state[:new_record] + @persisted = restore_state[:persisted] @destroyed = restore_state[:destroyed] if restore_state[:id] self.id = restore_state[:id] @@ -345,11 +345,11 @@ module ActiveRecord def transaction_include_action?(action) #:nodoc case action when :create - transaction_record_state(:new_record) + transaction_record_state(:new_record) || !transaction_record_state(:persisted) when :destroy destroyed? when :update - !(transaction_record_state(:new_record) || destroyed?) + !(transaction_record_state(:new_record) || !transaction_record_state(:persisted) || destroyed?) end end end diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb index f367315b22..ee45fcdf35 100644 --- a/activerecord/lib/active_record/validations.rb +++ b/activerecord/lib/active_record/validations.rb @@ -51,7 +51,7 @@ module ActiveRecord # Runs all the specified validations and returns true if no errors were added otherwise false. def valid?(context = nil) - context ||= (new_record? ? :create : :update) + context ||= (persisted? ? :update : :create) output = super(context) errors.empty? && output end diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index cb1d2ae421..3eba7510ac 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -31,7 +31,7 @@ module ActiveRecord relation = relation.where(scope_item => scope_value) end - unless record.new_record? + if record.persisted? # TODO : This should be in Arel relation = relation.where("#{record.class.quoted_table_name}.#{record.class.primary_key} <> ?", record.send(:id)) end @@ -154,33 +154,25 @@ module ActiveRecord # | # title! # # This could even happen if you use transactions with the 'serializable' - # isolation level. There are several ways to get around this problem: + # isolation level. The best way to work around this problem is to add a unique + # index to the database table using + # ActiveRecord::ConnectionAdapters::SchemaStatements#add_index. In the + # rare case that a race condition occurs, the database will guarantee + # the field's uniqueness. # - # - By locking the database table before validating, and unlocking it after - # saving. However, table locking is very expensive, and thus not - # recommended. - # - By locking a lock file before validating, and unlocking it after saving. - # This does not work if you've scaled your Rails application across - # multiple web servers (because they cannot share lock files, or cannot - # do that efficiently), and thus not recommended. - # - Creating a unique index on the field, by using - # ActiveRecord::ConnectionAdapters::SchemaStatements#add_index. In the - # rare case that a race condition occurs, the database will guarantee - # the field's uniqueness. + # When the database catches such a duplicate insertion, + # ActiveRecord::Base#save will raise an ActiveRecord::StatementInvalid + # exception. You can either choose to let this error propagate (which + # will result in the default Rails exception page being shown), or you + # can catch it and restart the transaction (e.g. by telling the user + # that the title already exists, and asking him to re-enter the title). + # This technique is also known as optimistic concurrency control: + # http://en.wikipedia.org/wiki/Optimistic_concurrency_control # - # When the database catches such a duplicate insertion, - # ActiveRecord::Base#save will raise an ActiveRecord::StatementInvalid - # exception. You can either choose to let this error propagate (which - # will result in the default Rails exception page being shown), or you - # can catch it and restart the transaction (e.g. by telling the user - # that the title already exists, and asking him to re-enter the title). - # This technique is also known as optimistic concurrency control: - # http://en.wikipedia.org/wiki/Optimistic_concurrency_control - # - # Active Record currently provides no way to distinguish unique - # index constraint errors from other types of database errors, so you - # will have to parse the (database-specific) exception message to detect - # such a case. + # Active Record currently provides no way to distinguish unique + # index constraint errors from other types of database errors, so you + # will have to parse the (database-specific) exception message to detect + # such a case. # def validates_uniqueness_of(*attr_names) validates_with UniquenessValidator, _merge_attributes(attr_names) |