diff options
Diffstat (limited to 'activerecord/lib/active_record')
39 files changed, 425 insertions, 343 deletions
diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb index 84d0493a60..1cb2b2d7c6 100644 --- a/activerecord/lib/active_record/associations/association.rb +++ b/activerecord/lib/active_record/associations/association.rb @@ -83,7 +83,7 @@ module ActiveRecord end def scope - target_scope.merge(association_scope) + target_scope.merge!(association_scope) end # The scope for this association. diff --git a/activerecord/lib/active_record/associations/association_scope.rb b/activerecord/lib/active_record/associations/association_scope.rb index badde9973f..120d75416c 100644 --- a/activerecord/lib/active_record/associations/association_scope.rb +++ b/activerecord/lib/active_record/associations/association_scope.rb @@ -25,7 +25,7 @@ module ActiveRecord chain_head, chain_tail = get_chain(reflection, association, alias_tracker) scope.extending! Array(reflection.options[:extend]) - add_constraints(scope, owner, klass, reflection, chain_head, chain_tail) + add_constraints(scope, owner, reflection, chain_head, chain_tail) end def join_type @@ -60,8 +60,8 @@ module ActiveRecord table.create_join(table, table.create_on(constraint), join_type) end - def last_chain_scope(scope, table, reflection, owner, association_klass) - join_keys = reflection.join_keys(association_klass) + def last_chain_scope(scope, table, reflection, owner) + join_keys = reflection.join_keys key = join_keys.key foreign_key = join_keys.foreign_key @@ -80,8 +80,8 @@ module ActiveRecord value_transformation.call(value) end - def next_chain_scope(scope, table, reflection, association_klass, foreign_table, next_reflection) - join_keys = reflection.join_keys(association_klass) + def next_chain_scope(scope, table, reflection, foreign_table, next_reflection) + join_keys = reflection.join_keys key = join_keys.key foreign_key = join_keys.foreign_key @@ -120,10 +120,10 @@ module ActiveRecord [runtime_reflection, previous_reflection] end - def add_constraints(scope, owner, association_klass, refl, chain_head, chain_tail) + def add_constraints(scope, owner, refl, chain_head, chain_tail) owner_reflection = chain_tail table = owner_reflection.alias_name - scope = last_chain_scope(scope, table, owner_reflection, owner, association_klass) + scope = last_chain_scope(scope, table, owner_reflection, owner) reflection = chain_head while reflection @@ -132,7 +132,7 @@ module ActiveRecord unless reflection == chain_tail foreign_table = next_reflection.alias_name - scope = next_chain_scope(scope, table, reflection, association_klass, foreign_table, next_reflection) + scope = next_chain_scope(scope, table, reflection, foreign_table, next_reflection) end # Exclude the scope of the association itself, because that diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 0437a79b84..77282e6463 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -30,13 +30,7 @@ module ActiveRecord reload end - if null_scope? - # Cache the proxy separately before the owner has an id - # or else a post-save proxy will still lack the id - @null_proxy ||= CollectionProxy.create(klass, self) - else - @proxy ||= CollectionProxy.create(klass, self) - end + CollectionProxy.create(klass, self) end # Implements the writer method, e.g. foo.items= for Foo.has_many :items @@ -315,9 +309,9 @@ module ActiveRecord record end - def scope(opts = {}) - scope = super() - scope.none! if opts.fetch(:nullify, true) && null_scope? + def scope + scope = super + scope.none! if null_scope? scope end diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb index 0d84805b4d..bc2f359c65 100644 --- a/activerecord/lib/active_record/associations/collection_proxy.rb +++ b/activerecord/lib/active_record/associations/collection_proxy.rb @@ -28,12 +28,9 @@ module ActiveRecord # is computed directly through SQL and does not trigger by itself the # instantiation of the actual post records. class CollectionProxy < Relation - delegate :exists?, :update_all, :arel, to: :scope - def initialize(klass, association) #:nodoc: @association = association super klass, klass.arel_table, klass.predicate_builder - merge! association.scope(nullify: false) end def target @@ -81,7 +78,7 @@ module ActiveRecord # # #<Pet id: nil, name: "Choo-Choo"> # # ] # - # person.pets.select(:id, :name ) + # person.pets.select(:id, :name) # # => [ # # #<Pet id: 1, name: "Fancy-Fancy">, # # #<Pet id: 2, name: "Spook">, @@ -956,19 +953,10 @@ module ActiveRecord @association end - # We don't want this object to be put on the scoping stack, because - # that could create an infinite loop where we call an @association - # method, which gets the current scope, which is this object, which - # delegates to @association, and so on. - def scoping - @association.scope.scoping { yield } - end - # Returns a <tt>Relation</tt> object for the records in this association def scope - @association.scope + @scope ||= @association.scope end - alias spawn scope # Equivalent to <tt>Array#==</tt>. Returns +true+ if the two arrays # contain the same number of elements and if each element is equal @@ -1100,6 +1088,7 @@ module ActiveRecord # person.pets(true) # fetches pets from the database # # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] def reload + @scope = nil proxy_association.reload self end @@ -1121,11 +1110,21 @@ module ActiveRecord # person.pets # fetches pets from the database # # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] def reset + @scope = nil proxy_association.reset proxy_association.reset_scope self end + delegate_methods = [ + QueryMethods, + SpawnMethods, + ].flat_map { |klass| + klass.public_instance_methods(false) + } - self.public_instance_methods(false) - [:select] + [:scoping] + + delegate(*delegate_methods, to: :scope) + private def find_nth_with_limit(index, limit) @@ -1149,6 +1148,18 @@ module ActiveRecord def exec_queries load_target end + + def respond_to_missing?(method, _) + scope.respond_to?(method) || super + end + + def method_missing(method, *args, &block) + if scope.respond_to?(method) + scope.public_send(method, *args, &block) + else + super + end + end end end end diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb index 87e0847ec1..8995b1e352 100644 --- a/activerecord/lib/active_record/associations/join_dependency.rb +++ b/activerecord/lib/active_record/associations/join_dependency.rb @@ -171,7 +171,7 @@ module ActiveRecord chain = child.reflection.chain foreign_table = parent.table foreign_klass = parent.base_klass - child.join_constraints(foreign_table, foreign_klass, child, join_type, tables, chain) + child.join_constraints(foreign_table, foreign_klass, join_type, tables, chain) end def make_outer_joins(parent, child) diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb index f5fcba1236..97cfec0302 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -23,7 +23,7 @@ module ActiveRecord JoinInformation = Struct.new :joins, :binds - def join_constraints(foreign_table, foreign_klass, node, join_type, tables, chain) + def join_constraints(foreign_table, foreign_klass, join_type, tables, chain) joins = [] binds = [] tables = tables.reverse @@ -34,35 +34,16 @@ module ActiveRecord table = tables.shift klass = reflection.klass - join_keys = reflection.join_keys(klass) + join_keys = reflection.join_keys key = join_keys.key foreign_key = join_keys.foreign_key constraint = build_constraint(klass, table, key, foreign_table, foreign_key) predicate_builder = PredicateBuilder.new(TableMetadata.new(klass, table)) - scope_chain_items = reflection.scopes.map do |item| - if item.is_a?(Relation) - item - else - ActiveRecord::Relation.create(klass, table, predicate_builder) - .instance_exec(node, &item) - end - end + scope_chain_items = reflection.join_scopes(table, predicate_builder) + klass_scope = reflection.klass_join_scope(table, predicate_builder) - klass_scope = - if klass.current_scope - klass.current_scope.clone.tap { |scope| - scope.joins_values = [] - } - else - relation = ActiveRecord::Relation.create( - klass, - table, - predicate_builder, - ) - klass.send(:build_default_scope, relation) - end scope_chain_items.concat [klass_scope].compact rel = scope_chain_items.inject(scope_chain_items.shift) do |left, right| diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb index 31c1e687dc..6aa414ba6b 100644 --- a/activerecord/lib/active_record/attribute_methods/dirty.rb +++ b/activerecord/lib/active_record/attribute_methods/dirty.rb @@ -50,7 +50,7 @@ module ActiveRecord super.tap do @previous_mutation_tracker = nil clear_mutation_trackers - @changed_attributes = HashWithIndifferentAccess.new + @changed_attributes = ActiveSupport::HashWithIndifferentAccess.new end end @@ -70,13 +70,13 @@ module ActiveRecord def changes_applied @previous_mutation_tracker = mutation_tracker - @changed_attributes = HashWithIndifferentAccess.new + @changed_attributes = ActiveSupport::HashWithIndifferentAccess.new clear_mutation_trackers end def clear_changes_information @previous_mutation_tracker = nil - @changed_attributes = HashWithIndifferentAccess.new + @changed_attributes = ActiveSupport::HashWithIndifferentAccess.new forget_attribute_assignments clear_mutation_trackers end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index ce4721c99d..3f2e86a98d 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -353,6 +353,16 @@ module ActiveRecord @threads_blocking_new_connections = 0 @available = ConnectionLeasingQueue.new self + + @lock_thread = false + end + + def lock_thread=(lock_thread) + if lock_thread + @lock_thread = Thread.current + else + @lock_thread = nil + end end # Retrieve the connection associated with the current thread, or call @@ -361,7 +371,7 @@ module ActiveRecord # #connection can be called any number of times; the connection is # held in a cache keyed by a thread. def connection - @thread_cached_conns[connection_cache_key(Thread.current)] ||= checkout + @thread_cached_conns[connection_cache_key(@lock_thread || Thread.current)] ||= checkout end # Returns true if there is an open connection being used for the current thread. diff --git a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb index 7eab7de5d3..e53ba4e666 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb @@ -83,7 +83,9 @@ module ActiveRecord # the same SQL query and repeatedly return the same result each time, silently # undermining the randomness you were expecting. def clear_query_cache - @query_cache.clear + @lock.synchronize do + @query_cache.clear + end end def select_all(arel, name = nil, binds = [], preparable: nil) @@ -99,21 +101,23 @@ module ActiveRecord private def cache_sql(sql, name, binds) - result = - if @query_cache[sql].key?(binds) - ActiveSupport::Notifications.instrument( - "sql.active_record", - sql: sql, - binds: binds, - name: name, - connection_id: object_id, - cached: true, - ) - @query_cache[sql][binds] - else - @query_cache[sql][binds] = yield - end - result.dup + @lock.synchronize do + result = + if @query_cache[sql].key?(binds) + ActiveSupport::Notifications.instrument( + "sql.active_record", + sql: sql, + binds: binds, + name: name, + connection_id: object_id, + cached: true, + ) + @query_cache[sql][binds] + else + @query_cache[sql][binds] = yield + end + result.dup + end end # If arel is locked this is a SELECT ... FOR UPDATE or somesuch. Such diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb index 7f4132accf..e5a24b2aca 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb @@ -7,8 +7,13 @@ module ActiveRecord # Quotes the column value to help prevent # {SQL injection attacks}[http://en.wikipedia.org/wiki/SQL_injection]. def quote(value) - # records are quoted as their primary key - return value.quoted_id if value.respond_to?(:quoted_id) + value = id_value_for_database(value) if value.is_a?(Base) + + if value.respond_to?(:quoted_id) + ActiveSupport::Deprecation.warn \ + "Using #quoted_id is deprecated and will be removed in Rails 5.2." + return value.quoted_id + end _quote(value) end @@ -17,6 +22,8 @@ module ActiveRecord # SQLite does not understand dates, so this method will convert a Date # to a String. def type_cast(value, column = nil) + value = id_value_for_database(value) if value.is_a?(Base) + if value.respond_to?(:quoted_id) && value.respond_to?(:id) return value.id end @@ -151,6 +158,12 @@ module ActiveRecord binds.map { |attr| type_cast(attr.value_for_database) } end + def id_value_for_database(value) + if primary_key = value.class.primary_key + value.instance_variable_get(:@attributes)[primary_key].value_for_database + end + end + def types_which_need_no_typecasting [nil, Numeric, String] 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 5eb7787226..4682afc188 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -116,16 +116,12 @@ module ActiveRecord private - def as_options(value, default = {}) - if value.is_a?(Hash) - value - else - default - end + def as_options(value) + value.is_a?(Hash) ? value : {} end def polymorphic_options - as_options(polymorphic, options) + as_options(polymorphic) end def index_options 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 bdcdfe4982..a497a354f7 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -273,8 +273,8 @@ module ActiveRecord yield td if block_given? - if options[:force] && data_source_exists?(table_name) - drop_table(table_name, options) + if options[:force] + drop_table(table_name, **options, if_exists: true) end result = execute schema_creation.accept td @@ -334,18 +334,16 @@ module ActiveRecord # part_id int NOT NULL, # ) ENGINE=InnoDB DEFAULT CHARSET=utf8 # - def create_join_table(table_1, table_2, options = {}) + def create_join_table(table_1, table_2, column_options: {}, **options) join_table_name = find_join_table_name(table_1, table_2, options) - column_options = options.delete(:column_options) || {} - column_options.reverse_merge!(null: false) - type = column_options.delete(:type) || :integer + column_options.reverse_merge!(null: false, index: false) - t1_column, t2_column = [table_1, table_2].map { |t| t.to_s.singularize.foreign_key } + t1_ref, t2_ref = [table_1, table_2].map { |t| t.to_s.singularize } create_table(join_table_name, options.merge!(id: false)) do |td| - td.send type, t1_column, column_options - td.send type, t2_column, column_options + td.references t1_ref, column_options + td.references t2_ref, column_options yield td if block_given? end end @@ -857,6 +855,7 @@ module ActiveRecord else foreign_key_options = { to_table: reference_name } end + foreign_key_options[:column] ||= "#{ref_name}_id" remove_foreign_key(table_name, **foreign_key_options) end @@ -992,12 +991,12 @@ module ActiveRecord end def dump_schema_information #:nodoc: - versions = ActiveRecord::SchemaMigration.order("version").pluck(:version) + versions = ActiveRecord::SchemaMigration.all_versions insert_versions_sql(versions) end def insert_versions_sql(versions) # :nodoc: - sm_table = quote_table_name(ActiveRecord::Migrator.schema_migrations_table_name) + sm_table = quote_table_name(ActiveRecord::SchemaMigration.table_name) if versions.is_a?(Array) sql = "INSERT INTO #{sm_table} (version) VALUES\n" @@ -1026,12 +1025,11 @@ module ActiveRecord def assume_migrated_upto_version(version, migrations_paths) migrations_paths = Array(migrations_paths) version = version.to_i - sm_table = quote_table_name(ActiveRecord::Migrator.schema_migrations_table_name) + sm_table = quote_table_name(ActiveRecord::SchemaMigration.table_name) - migrated = select_values("SELECT version FROM #{sm_table}").map(&:to_i) - paths = migrations_paths.map { |p| "#{p}/[0-9]*_*.rb" } - versions = Dir[*paths].map do |filename| - filename.split("/").last.split("_").first.to_i + migrated = ActiveRecord::SchemaMigration.all_versions.map(&:to_i) + versions = ActiveRecord::Migrator.migration_files(migrations_paths).map do |file| + ActiveRecord::Migrator.parse_migration_filename(file).first.to_i end unless migrated.include?(version) @@ -1071,7 +1069,7 @@ module ActiveRecord raise ArgumentError, "Error adding decimal column: precision cannot be empty if scale is specified" end - elsif [:datetime, :time, :interval].include?(type) && precision ||= native[:precision] + elsif [:datetime, :timestamp, :time, :interval].include?(type) && precision ||= native[:precision] if (0..6) === precision column_type_sql << "(#{precision})" else diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 6b14a498df..ef1d9f81a9 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -107,6 +107,7 @@ module ActiveRecord @schema_cache = SchemaCache.new self @quoted_column_names, @quoted_table_names = {}, {} @visitor = arel_visitor + @lock = Monitor.new if self.class.type_cast_config_to_boolean(config.fetch(:prepared_statements) { true }) @prepared_statements = true @@ -153,8 +154,8 @@ module ActiveRecord Arel::Visitors::ToSql.new(self) end - def valid_type?(type) - false + def valid_type?(type) # :nodoc: + !native_database_types[type].nil? end def schema_creation @@ -231,10 +232,10 @@ module ActiveRecord self.class::ADAPTER_NAME end - # Does this adapter support migrations? - def supports_migrations? - false + def supports_migrations? # :nodoc: + true end + deprecate :supports_migrations? def supports_primary_key? # :nodoc: true @@ -438,6 +439,9 @@ module ActiveRecord # This is done under the hood by calling #active?. If the connection # is no longer active, then this method will reconnect to the database. def verify!(*ignored) + if ignored.size > 0 + ActiveSupport::Deprecation.warn("Passing arguments to #verify method of the connection has no effect and has been deprecated. Please remove all arguments from the #verify method call.") + end reconnect! unless active? end @@ -605,7 +609,11 @@ module ActiveRecord binds: binds, type_casted_binds: type_casted_binds, statement_name: statement_name, - connection_id: object_id) { yield } + connection_id: object_id) do + @lock.synchronize do + yield + end + end rescue => e raise translate_exception_class(e, sql) end 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 14269b4570..e3b6327dd8 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -46,6 +46,7 @@ module ActiveRecord float: { name: "float" }, decimal: { name: "decimal" }, datetime: { name: "datetime" }, + timestamp: { name: "timestamp" }, time: { name: "time" }, date: { name: "date" }, binary: { name: "blob", limit: 65535 }, @@ -88,11 +89,6 @@ module ActiveRecord /mariadb/i.match?(full_version) end - # Returns true, since this connection adapter supports migrations. - def supports_migrations? - true - end - def supports_bulk_alter? #:nodoc: true end @@ -647,10 +643,6 @@ module ActiveRecord self.class.type_cast_config_to_boolean(@config.fetch(:strict, true)) end - def valid_type?(type) - !native_database_types[type].nil? - end - def default_index_type?(index) # :nodoc: index.using == :btree || super end @@ -708,7 +700,7 @@ module ActiveRecord end def extract_precision(sql_type) - if /time/.match?(sql_type) + if /\A(?:date)?time(?:stamp)?\b/.match?(sql_type) super || 0 else super @@ -785,11 +777,11 @@ module ActiveRecord def change_column_sql(table_name, column_name, type, options = {}) column = column_for(table_name, column_name) - unless options_include_default?(options) + unless options.key?(:default) options[:default] = column.default end - unless options.has_key?(:null) + unless options.key?(:null) options[:null] = column.null end @@ -869,9 +861,9 @@ module ActiveRecord variables["sql_auto_is_null"] = 0 # Increase timeout so the server doesn't disconnect us. - wait_timeout = @config[:wait_timeout] + wait_timeout = self.class.type_cast_config_to_integer(@config[:wait_timeout]) wait_timeout = 2147483 unless wait_timeout.is_a?(Integer) - variables["wait_timeout"] = self.class.type_cast_config_to_integer(wait_timeout) + variables["wait_timeout"] = wait_timeout defaults = [":default", :default].to_set diff --git a/activerecord/lib/active_record/connection_adapters/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/connection_specification.rb index dcf56997db..3e4ea28f63 100644 --- a/activerecord/lib/active_record/connection_adapters/connection_specification.rb +++ b/activerecord/lib/active_record/connection_adapters/connection_specification.rb @@ -149,9 +149,18 @@ module ActiveRecord # Expands each key in @configurations hash into fully resolved hash def resolve_all config = configurations.dup + + if env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call + env_config = config[env] if config[env].is_a?(Hash) && !(config[env].key?("adapter") || config[env].key?("url")) + end + + config.reject! { |k, v| v.is_a?(Hash) && !(v.key?("adapter") || v.key?("url")) } + config.merge! env_config if env_config + config.each do |key, value| config[key] = resolve(value) if value end + config end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb index e8358271ab..083cd6340f 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb @@ -25,6 +25,14 @@ module ActiveRecord end def add_column_options!(sql, options) + # By default, TIMESTAMP columns are NOT NULL, cannot contain NULL values, + # and assigning NULL assigns the current timestamp. To permit a TIMESTAMP + # column to contain NULL, explicitly declare it with the NULL attribute. + # See http://dev.mysql.com/doc/refman/5.7/en/timestamp-initialization.html + if /\Atimestamp\b/.match?(options[:column].sql_type) && !options[:primary_key] + sql << " NULL" unless options[:null] == false || options_include_default?(options) + end + if charset = options[:charset] sql << " CHARACTER SET #{charset}" end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb index 773bbcef4e..6d88c14d50 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb @@ -75,6 +75,11 @@ module ActiveRecord super end + + private + def aliased_types(name, fallback) + fallback + end end class Table < ActiveRecord::ConnectionAdapters::Table diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb index ad4a069d73..3e0afd9761 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb @@ -30,7 +30,10 @@ module ActiveRecord end def schema_type(column) - if column.sql_type == "tinyblob" + case column.sql_type + when /\Atimestamp\b/ + :timestamp + when "tinyblob" :blob else super @@ -38,7 +41,7 @@ module ActiveRecord end def schema_precision(column) - super unless /time/.match?(column.sql_type) && column.precision == 0 + super unless /\A(?:date)?time(?:stamp)?\b/.match?(column.sql_type) && column.precision == 0 end def schema_collation(column) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb index e1a75f8e5e..a73a8c1726 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb @@ -23,7 +23,7 @@ module ActiveRecord when ::String type_cast_array(@pg_decoder.decode(value), :deserialize) when Data - deserialize(value.values) + type_cast_array(value.values, :deserialize) else super end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index a61d920a73..afef0da5c7 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -489,7 +489,7 @@ module ActiveRecord end execute sql - change_column_default(table_name, column_name, options[:default]) if options_include_default?(options) + change_column_default(table_name, column_name, options[:default]) if options.key?(:default) change_column_null(table_name, column_name, options[:null], options[:default]) if options.key?(:null) change_column_comment(table_name, column_name, options[:comment]) if options.key?(:comment) end @@ -615,10 +615,6 @@ module ActiveRecord end end - def index_name_length - 63 - end - # Maps logical Rails types to PostgreSQL-specific data types. def type_to_sql(type, limit: nil, precision: nil, scale: nil, array: nil, **) # :nodoc: sql = \ diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 36c9815547..bc04565434 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -215,7 +215,7 @@ module ActiveRecord # @local_tz is initialized as nil to avoid warnings when connect tries to use it @local_tz = nil - @table_alias_length = nil + @max_identifier_length = nil connect add_pg_encoders @@ -236,7 +236,9 @@ module ActiveRecord # Clears the prepared statements cache. def clear_cache! - @statements.clear + @lock.synchronize do + @statements.clear + end end def truncate(table_name, name = nil) @@ -279,11 +281,6 @@ module ActiveRecord NATIVE_DATABASE_TYPES end - # Returns true, since this connection adapter supports migrations. - def supports_migrations? - true - end - def set_standard_conforming_strings execute("SET standard_conforming_strings = on", "SCHEMA") end @@ -361,8 +358,9 @@ module ActiveRecord # Returns the configured supported identifier length supported by PostgreSQL def table_alias_length - @table_alias_length ||= query("SHOW max_identifier_length", "SCHEMA")[0][0].to_i + @max_identifier_length ||= select_value("SHOW max_identifier_length", "SCHEMA").to_i end + alias index_name_length table_alias_length # Set the authorized user for this session def session_auth=(user) @@ -374,10 +372,6 @@ module ActiveRecord @use_insert_returning end - def valid_type?(type) - !native_database_types[type].nil? - end - def update_table_definition(table_name, base) #:nodoc: PostgreSQL::Table.new(table_name, base) end @@ -637,8 +631,10 @@ module ActiveRecord if in_transaction? raise ActiveRecord::PreparedStatementCacheExpired.new(e.cause.message) else - # outside of transactions we can simply flush this query and retry - @statements.delete sql_key(sql) + @lock.synchronize do + # outside of transactions we can simply flush this query and retry + @statements.delete sql_key(sql) + end retry end end @@ -674,19 +670,21 @@ module ActiveRecord # Prepare the statement if it hasn't been prepared, return # the statement key. def prepare_statement(sql) - sql_key = sql_key(sql) - unless @statements.key? sql_key - nextkey = @statements.next_key - begin - @connection.prepare nextkey, sql - rescue => e - raise translate_exception_class(e, sql) + @lock.synchronize do + sql_key = sql_key(sql) + unless @statements.key? sql_key + nextkey = @statements.next_key + begin + @connection.prepare nextkey, sql + rescue => e + raise translate_exception_class(e, sql) + end + # Clear the queue + @connection.get_last_result + @statements[sql_key] = nextkey end - # Clear the queue - @connection.get_last_result - @statements[sql_key] = nextkey + @statements[sql_key] end - @statements[sql_key] end # Connects to a PostgreSQL server and sets up the adapter depending on the diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 16ef195bfc..8b627a6d4d 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -117,11 +117,6 @@ module ActiveRecord true end - # Returns true, since this connection adapter supports migrations. - def supports_migrations? #:nodoc: - true - end - def requires_reloading? true end @@ -163,10 +158,6 @@ module ActiveRecord true end - def valid_type?(type) - true - end - # Returns 62. SQLite supports index names up to 64 # characters. The rest is used by Rails internally to perform # temporary rename operations @@ -420,11 +411,10 @@ module ActiveRecord def change_column(table_name, column_name, type, options = {}) #:nodoc: alter_table(table_name) do |definition| - include_default = options_include_default?(options) definition[column_name].instance_eval do self.type = type self.limit = options[:limit] if options.include?(:limit) - self.default = options[:default] if include_default + self.default = options[:default] if options.include?(:default) self.null = options[:null] if options.include?(:null) self.precision = options[:precision] if options.include?(:precision) self.scale = options[:scale] if options.include?(:scale) diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index 91d8054ef2..e79167d568 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -970,6 +970,7 @@ module ActiveRecord @fixture_connections = enlist_fixture_connections @fixture_connections.each do |connection| connection.begin_transaction joinable: false + connection.pool.lock_thread = true end # When connections are established in the future, begin a transaction too @@ -985,6 +986,7 @@ module ActiveRecord if connection && !@fixture_connections.include?(connection) connection.begin_transaction joinable: false + connection.pool.lock_thread = true @fixture_connections << connection end end @@ -1007,6 +1009,7 @@ module ActiveRecord ActiveSupport::Notifications.unsubscribe(@connection_subscriber) if @connection_subscriber @fixture_connections.each do |connection| connection.rollback_transaction if connection.transaction_open? + connection.pool.lock_thread = false end @fixture_connections.clear else diff --git a/activerecord/lib/active_record/gem_version.rb b/activerecord/lib/active_record/gem_version.rb index f33456a744..174f716152 100644 --- a/activerecord/lib/active_record/gem_version.rb +++ b/activerecord/lib/active_record/gem_version.rb @@ -8,7 +8,7 @@ module ActiveRecord MAJOR = 5 MINOR = 1 TINY = 0 - PRE = "alpha" + PRE = "beta1" STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".") end diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 40f6226315..4e1df1432c 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -548,12 +548,10 @@ module ActiveRecord end def call(env) - if connection.supports_migrations? - mtime = ActiveRecord::Migrator.last_migration.mtime.to_i - if @last_check < mtime - ActiveRecord::Migration.check_pending!(connection) - @last_check = mtime - end + mtime = ActiveRecord::Migrator.last_migration.mtime.to_i + if @last_check < mtime + ActiveRecord::Migration.check_pending!(connection) + @last_check = mtime end @app.call(env) end @@ -1027,10 +1025,11 @@ module ActiveRecord def schema_migrations_table_name SchemaMigration.table_name end + deprecate :schema_migrations_table_name def get_all_versions(connection = Base.connection) - if connection.table_exists?(schema_migrations_table_name) - SchemaMigration.all.map { |x| x.version.to_i }.sort + if SchemaMigration.table_exists? + SchemaMigration.all_versions.map(&:to_i) else [] end @@ -1058,10 +1057,6 @@ module ActiveRecord Array(@migrations_paths) end - def match_to_migration_filename?(filename) # :nodoc: - Migration::MigrationFilenameRegexp.match?(File.basename(filename)) - end - def parse_migration_filename(filename) # :nodoc: File.basename(filename).scan(Migration::MigrationFilenameRegexp).first end @@ -1069,9 +1064,7 @@ module ActiveRecord def migrations(paths) paths = Array(paths) - files = Dir[*paths.map { |p| "#{p}/**/[0-9]*_*.rb" }] - - migrations = files.map do |file| + migrations = migration_files(paths).map do |file| version, name, scope = parse_migration_filename(file) raise IllegalMigrationNameError.new(file) unless version version = version.to_i @@ -1083,6 +1076,30 @@ module ActiveRecord migrations.sort_by(&:version) end + def migrations_status(paths) + paths = Array(paths) + + db_list = ActiveRecord::SchemaMigration.normalized_versions + + file_list = migration_files(paths).map do |file| + version, name, scope = parse_migration_filename(file) + raise IllegalMigrationNameError.new(file) unless version + version = ActiveRecord::SchemaMigration.normalize_migration_number(version) + status = db_list.delete(version) ? "up" : "down" + [status, version, (name + scope).humanize] + end.compact + + db_list.map! do |version| + ["up", version, "********** NO FILE **********"] + end + + (db_list + file_list).sort_by { |_, version, _| version } + end + + def migration_files(paths) + Dir[*paths.flat_map { |path| "#{path}/**/[0-9]*_*.rb" }] + end + private def move(direction, migrations_paths, steps) @@ -1098,8 +1115,6 @@ module ActiveRecord end def initialize(direction, migrations, target_version = nil) - raise StandardError.new("This database does not yet support migrations") unless Base.connection.supports_migrations? - @direction = direction @target_version = target_version @migrated_versions = nil diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb index 2bb7ed6d5e..26966f9433 100644 --- a/activerecord/lib/active_record/null_relation.rb +++ b/activerecord/lib/active_record/null_relation.rb @@ -4,7 +4,7 @@ module ActiveRecord [] end - def delete_all(_conditions = nil) + def delete_all 0 end diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index 246d330b76..1c7206aca4 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -110,28 +110,13 @@ db_namespace = namespace :db do unless ActiveRecord::SchemaMigration.table_exists? abort "Schema migrations table does not exist yet." end - db_list = ActiveRecord::SchemaMigration.normalized_versions - - file_list = - ActiveRecord::Tasks::DatabaseTasks.migrations_paths.flat_map do |path| - Dir.foreach(path).map do |file| - next unless ActiveRecord::Migrator.match_to_migration_filename?(file) - - version, name, scope = ActiveRecord::Migrator.parse_migration_filename(file) - version = ActiveRecord::SchemaMigration.normalize_migration_number(version) - status = db_list.delete(version) ? "up" : "down" - [status, version, (name + scope).humanize] - end.compact - end - db_list.map! do |version| - ["up", version, "********** NO FILE **********"] - end # output puts "\ndatabase: #{ActiveRecord::Base.connection_config[:database]}\n\n" puts "#{'Status'.center(8)} #{'Migration ID'.ljust(14)} Migration Name" puts "-" * 50 - (db_list + file_list).sort_by { |_, version, _| version }.each do |status, version, name| + paths = ActiveRecord::Tasks::DatabaseTasks.migrations_paths + ActiveRecord::Migrator.migrations_status(paths).each do |status, version, name| puts "#{status.center(8)} #{version.ljust(14)} #{name}" end puts @@ -288,8 +273,7 @@ db_namespace = namespace :db do current_config = ActiveRecord::Tasks::DatabaseTasks.current_config ActiveRecord::Tasks::DatabaseTasks.structure_dump(current_config, filename) - if ActiveRecord::Base.connection.supports_migrations? && - ActiveRecord::SchemaMigration.table_exists? + if ActiveRecord::SchemaMigration.table_exists? File.open(filename, "a") do |f| f.puts ActiveRecord::Base.connection.dump_schema_information f.print "\n" diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 61a2279292..24ca8b0be4 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -172,8 +172,8 @@ module ActiveRecord JoinKeys = Struct.new(:key, :foreign_key) # :nodoc: - def join_keys(association_klass) - JoinKeys.new(foreign_key, active_record_primary_key) + def join_keys + get_join_keys klass end # Returns a list of scopes that should be applied for this Reflection @@ -187,6 +187,30 @@ module ActiveRecord end deprecate :scope_chain + def join_scopes(table, predicate_builder) # :nodoc: + if scope + [ActiveRecord::Relation.create(klass, table, predicate_builder) + .instance_exec(&scope)] + else + [] + end + end + + def klass_join_scope(table, predicate_builder) # :nodoc: + if klass.current_scope + klass.current_scope.clone.tap { |scope| + scope.joins_values = [] + } + else + relation = ActiveRecord::Relation.create( + klass, + table, + predicate_builder, + ) + klass.send(:build_default_scope, relation) + end + end + def constraints chain.map(&:scopes).flatten end @@ -260,6 +284,20 @@ module ActiveRecord def chain collect_join_chain end + + def get_join_keys(association_klass) + JoinKeys.new(join_pk(association_klass), join_fk) + end + + private + + def join_pk(_) + foreign_key + end + + def join_fk + active_record_primary_key + end end # Base class for AggregateReflection and AssociationReflection. Objects of @@ -687,11 +725,6 @@ module ActiveRecord end end - def join_keys(association_klass) - key = polymorphic? ? association_primary_key(association_klass) : association_primary_key - JoinKeys.new(key, foreign_key) - end - def join_id_for(owner) # :nodoc: owner[foreign_key] end @@ -701,6 +734,14 @@ module ActiveRecord def calculate_constructable(macro, options) !polymorphic? end + + def join_fk + foreign_key + end + + def join_pk(klass) + polymorphic? ? association_primary_key(klass) : association_primary_key + end end class HasAndBelongsToManyReflection < AssociationReflection # :nodoc: @@ -720,7 +761,7 @@ module ActiveRecord class ThroughReflection < AbstractReflection #:nodoc: attr_reader :delegate_reflection delegate :foreign_key, :foreign_type, :association_foreign_key, - :active_record_primary_key, :type, to: :source_reflection + :active_record_primary_key, :type, :get_join_keys, to: :source_reflection def initialize(delegate_reflection) @delegate_reflection = delegate_reflection @@ -806,6 +847,10 @@ module ActiveRecord source_reflection.scopes + super end + def join_scopes(table, predicate_builder) # :nodoc: + source_reflection.join_scopes(table, predicate_builder) + super + end + def source_type_scope through_reflection.klass.where(foreign_type => options[:source_type]) end @@ -816,10 +861,6 @@ module ActiveRecord through_reflection.has_scope? end - def join_keys(association_klass) - source_reflection.join_keys(association_klass) - end - # A through association is nested if there would be more than one join table def nested? source_reflection.through_reflection? || through_reflection.through_reflection? @@ -954,6 +995,7 @@ module ActiveRecord end private + def actual_source_reflection # FIXME: this is a horrible name source_reflection.send(:actual_source_reflection) end @@ -990,6 +1032,15 @@ module ActiveRecord end end + def join_scopes(table, predicate_builder) # :nodoc: + scopes = @previous_reflection.join_scopes(table, predicate_builder) + super + if @previous_reflection.options[:source_type] + scopes + [@previous_reflection.source_type_scope] + else + scopes + end + end + def klass @reflection.klass end @@ -1006,10 +1057,6 @@ module ActiveRecord @reflection.plural_name end - def join_keys(association_klass) - @reflection.join_keys(association_klass) - end - def type @reflection.type end @@ -1023,6 +1070,10 @@ module ActiveRecord source_type = @previous_reflection.options[:source_type] lambda { |object| where(type => source_type) } end + + def get_join_keys(association_klass) + @reflection.get_join_keys(association_klass) + end end class RuntimeReflection < PolymorphicReflection # :nodoc: diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 61ee09bcc8..2d6b21bec5 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -261,10 +261,6 @@ module ActiveRecord coder.represent_seq(nil, records) end - def as_json(options = nil) #:nodoc: - records.as_json(options) - end - # Returns size of the records. def size loaded? ? @records.length : count(:all) diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index 35c670f1a1..9cabd1af13 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -37,11 +37,8 @@ module ActiveRecord # Note: not all valid {Relation#select}[rdoc-ref:QueryMethods#select] expressions are valid #count expressions. The specifics differ # between databases. In invalid cases, an error from the database is thrown. def count(column_name = nil) - if block_given? - to_a.count { |*block_args| yield(*block_args) } - else - calculate(:count, column_name) - end + return super() if block_given? + calculate(:count, column_name) end # Calculates the average value on a given column. Returns +nil+ if there's @@ -75,8 +72,8 @@ module ActiveRecord # #calculate for examples with options. # # Person.sum(:age) # => 4562 - def sum(column_name = nil, &block) - return super(&block) if block_given? + def sum(column_name = nil) + return super() if block_given? calculate(:sum, column_name) end @@ -232,7 +229,7 @@ module ActiveRecord query_builder = build_count_subquery(spawn, column_name, distinct) else # PostgreSQL doesn't like ORDER BY when there are no GROUP BY - relation = unscope(:order) + relation = unscope(:order).distinct!(false) column = aggregate_column(column_name) @@ -282,7 +279,7 @@ module ActiveRecord operation, distinct).as(aggregate_alias) ] - select_values += select_values unless having_clause.empty? + select_values += self.select_values unless having_clause.empty? select_values.concat group_columns.map { |aliaz, field| if field.respond_to?(:as) @@ -292,7 +289,7 @@ module ActiveRecord end } - relation = except(:group) + relation = except(:group).distinct!(false) relation.group_values = group_fields relation.select_values = select_values diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb index d3ba724507..0612151584 100644 --- a/activerecord/lib/active_record/relation/delegation.rb +++ b/activerecord/lib/active_record/relation/delegation.rb @@ -38,7 +38,7 @@ module ActiveRecord delegate :to_xml, :encode_with, :length, :collect, :map, :each, :all?, :include?, :to_ary, :join, :[], :&, :|, :+, :-, :sample, :reverse, :compact, :in_groups, :in_groups_of, - :to_sentence, :to_formatted_s, + :to_sentence, :to_formatted_s, :as_json, :shuffle, :split, :index, to: :records delegate :table_name, :quoted_table_name, :primary_key, :quoted_primary_key, diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 4548944fe6..5d24f5f5ca 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -147,7 +147,7 @@ module ActiveRecord def last(limit = nil) return find_last(limit) if loaded? || limit_value - result = limit(limit || 1) + result = limit(limit) result.order!(arel_attribute(primary_key)) if order_values.empty? && primary_key result = result.reverse_order! @@ -430,140 +430,142 @@ module ActiveRecord reflections.none?(&:collection?) end - private + def find_with_ids(*ids) + raise UnknownPrimaryKey.new(@klass) if primary_key.nil? - def find_with_ids(*ids) - raise UnknownPrimaryKey.new(@klass) if primary_key.nil? + expects_array = ids.first.kind_of?(Array) + return ids.first if expects_array && ids.first.empty? - expects_array = ids.first.kind_of?(Array) - return ids.first if expects_array && ids.first.empty? + ids = ids.flatten.compact.uniq - ids = ids.flatten.compact.uniq - - case ids.size - when 0 - raise RecordNotFound, "Couldn't find #{@klass.name} without an ID" - when 1 - result = find_one(ids.first) - expects_array ? [ result ] : result - else - find_some(ids) - end - rescue ::RangeError - raise RecordNotFound, "Couldn't find #{@klass.name} with an out of range ID" + case ids.size + when 0 + raise RecordNotFound, "Couldn't find #{@klass.name} without an ID" + when 1 + result = find_one(ids.first) + expects_array ? [ result ] : result + else + find_some(ids) end + rescue ::RangeError + raise RecordNotFound, "Couldn't find #{@klass.name} with an out of range ID" + end - def find_one(id) - if ActiveRecord::Base === id - raise ArgumentError, <<-MSG.squish - You are passing an instance of ActiveRecord::Base to `find`. - Please pass the id of the object by calling `.id`. - MSG - end - - relation = where(primary_key => id) - record = relation.take - - raise_record_not_found_exception!(id, 0, 1) unless record - - record + def find_one(id) + if ActiveRecord::Base === id + raise ArgumentError, <<-MSG.squish + You are passing an instance of ActiveRecord::Base to `find`. + Please pass the id of the object by calling `.id`. + MSG end - def find_some(ids) - return find_some_ordered(ids) unless order_values.present? + relation = where(primary_key => id) + record = relation.take - result = where(primary_key => ids).to_a + raise_record_not_found_exception!(id, 0, 1) unless record - expected_size = - if limit_value && ids.size > limit_value - limit_value - else - ids.size - end + record + end - # 11 ids with limit 3, offset 9 should give 2 results. - if offset_value && (ids.size - offset_value < expected_size) - expected_size = ids.size - offset_value - end + def find_some(ids) + return find_some_ordered(ids) unless order_values.present? - if result.size == expected_size - result + result = where(primary_key => ids).to_a + + expected_size = + if limit_value && ids.size > limit_value + limit_value else - raise_record_not_found_exception!(ids, result.size, expected_size) + ids.size end + + # 11 ids with limit 3, offset 9 should give 2 results. + if offset_value && (ids.size - offset_value < expected_size) + expected_size = ids.size - offset_value end - def find_some_ordered(ids) - ids = ids.slice(offset_value || 0, limit_value || ids.size) || [] + if result.size == expected_size + result + else + raise_record_not_found_exception!(ids, result.size, expected_size) + end + end - result = except(:limit, :offset).where(primary_key => ids).records + def find_some_ordered(ids) + ids = ids.slice(offset_value || 0, limit_value || ids.size) || [] - if result.size == ids.size - pk_type = @klass.type_for_attribute(primary_key) + result = except(:limit, :offset).where(primary_key => ids).records - records_by_id = result.index_by(&:id) - ids.map { |id| records_by_id.fetch(pk_type.cast(id)) } - else - raise_record_not_found_exception!(ids, result.size, ids.size) - end - end + if result.size == ids.size + pk_type = @klass.type_for_attribute(primary_key) - def find_take - if loaded? - records.first - else - @take ||= limit(1).records.first - end + records_by_id = result.index_by(&:id) + ids.map { |id| records_by_id.fetch(pk_type.cast(id)) } + else + raise_record_not_found_exception!(ids, result.size, ids.size) end + end - def find_take_with_limit(limit) - if loaded? - records.take(limit) - else - limit(limit).to_a - end + def find_take + if loaded? + records.first + else + @take ||= limit(1).records.first end + end - def find_nth(index) - @offsets[offset_index + index] ||= find_nth_with_limit(index, 1).first + def find_take_with_limit(limit) + if loaded? + records.take(limit) + else + limit(limit).to_a end + end + + def find_nth(index) + @offsets[offset_index + index] ||= find_nth_with_limit(index, 1).first + end - def find_nth_with_limit(index, limit) - if loaded? - records[index, limit] || [] + def find_nth_with_limit(index, limit) + if loaded? + records[index, limit] || [] + else + relation = if order_values.empty? && primary_key + order(arel_attribute(primary_key).asc) else - relation = if order_values.empty? && primary_key - order(arel_attribute(primary_key).asc) - else - self - end + self + end + if limit_value.nil? || index < limit_value relation = relation.offset(offset_index + index) unless index.zero? relation.limit(limit).to_a + else + [] end end + end - def find_nth_from_last(index) - if loaded? - records[-index] + def find_nth_from_last(index) + if loaded? + records[-index] + else + relation = if order_values.empty? && primary_key + order(arel_attribute(primary_key).asc) else - relation = if order_values.empty? && primary_key - order(arel_attribute(primary_key).asc) - else - self - end - - relation.to_a[-index] - # TODO: can be made more performant on large result sets by - # for instance, last(index)[-index] (which would require - # refactoring the last(n) finder method to make test suite pass), - # or by using a combination of reverse_order, limit, and offset, - # e.g., reverse_order.offset(index-1).first + self end - end - def find_last(limit) - limit ? records.last(limit) : records.last + relation.to_a[-index] + # TODO: can be made more performant on large result sets by + # for instance, last(index)[-index] (which would require + # refactoring the last(n) finder method to make test suite pass), + # or by using a combination of reverse_order, limit, and offset, + # e.g., reverse_order.offset(index-1).first end + end + + def find_last(limit) + limit ? records.last(limit) : records.last + end end end diff --git a/activerecord/lib/active_record/result.rb b/activerecord/lib/active_record/result.rb index 9ed70a9c2b..26b1d48e9e 100644 --- a/activerecord/lib/active_record/result.rb +++ b/activerecord/lib/active_record/result.rb @@ -41,10 +41,15 @@ module ActiveRecord @column_types = column_types end + # Returns the number of elements in the rows array. def length @rows.length end + # Calls the given block once for each element in row collection, passing + # row as parameter. + # + # Returns an +Enumerator+ if no block is given. def each if block_given? hash_rows.each { |row| yield row } @@ -53,6 +58,7 @@ module ActiveRecord end end + # Returns an array of hashes representing each row record. def to_hash hash_rows end @@ -60,11 +66,12 @@ module ActiveRecord alias :map! :map alias :collect! :map - # Returns true if there are no records. + # Returns true if there are no records, otherwise false. def empty? rows.empty? end + # Returns an array of hashes representing each row record. def to_ary hash_rows end @@ -73,11 +80,15 @@ module ActiveRecord hash_rows[idx] end + # Returns the first record from the rows collection. + # If the rows collection is empty, returns +nil+. def first return nil if @rows.empty? Hash[@columns.zip(@rows.first)] end + # Returns the last record from the rows collection. + # If the rows collection is empty, returns +nil+. def last return nil if @rows.empty? Hash[@columns.zip(@rows.last)] diff --git a/activerecord/lib/active_record/sanitization.rb b/activerecord/lib/active_record/sanitization.rb index 427c0019c6..64bda1539c 100644 --- a/activerecord/lib/active_record/sanitization.rb +++ b/activerecord/lib/active_record/sanitization.rb @@ -1,4 +1,3 @@ - module ActiveRecord module Sanitization extend ActiveSupport::Concern @@ -207,9 +206,9 @@ module ActiveRecord end end - # TODO: Deprecate this def quoted_id # :nodoc: self.class.connection.quote(@attributes[self.class.primary_key].value_for_database) end + deprecate :quoted_id end end diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb index 15533f0151..2bbfd01698 100644 --- a/activerecord/lib/active_record/schema_dumper.rb +++ b/activerecord/lib/active_record/schema_dumper.rb @@ -85,7 +85,7 @@ HEADER end def tables(stream) - sorted_tables = @connection.data_sources.sort - @connection.views + sorted_tables = @connection.tables.sort sorted_tables.each do |table_name| table(table_name, stream) unless ignored?(table_name) diff --git a/activerecord/lib/active_record/schema_migration.rb b/activerecord/lib/active_record/schema_migration.rb index 5efbcff96a..f59737afb0 100644 --- a/activerecord/lib/active_record/schema_migration.rb +++ b/activerecord/lib/active_record/schema_migration.rb @@ -39,7 +39,11 @@ module ActiveRecord end def normalized_versions - pluck(:version).map { |v| normalize_migration_number v } + all_versions.map { |v| normalize_migration_number v } + end + + def all_versions + order(:version).pluck(:version) end end diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb index 08417aaa0f..690deee508 100644 --- a/activerecord/lib/active_record/transactions.rb +++ b/activerecord/lib/active_record/transactions.rb @@ -283,7 +283,7 @@ module ActiveRecord fire_on = Array(options[:on]) assert_valid_transaction_action(fire_on) options[:if] = Array(options[:if]) - options[:if] << "transaction_include_any_action?(#{fire_on})" + options[:if].unshift("transaction_include_any_action?(#{fire_on})") end end diff --git a/activerecord/lib/active_record/type/decimal_without_scale.rb b/activerecord/lib/active_record/type/decimal_without_scale.rb index 7ce33e9cd3..53a5e205da 100644 --- a/activerecord/lib/active_record/type/decimal_without_scale.rb +++ b/activerecord/lib/active_record/type/decimal_without_scale.rb @@ -4,6 +4,10 @@ module ActiveRecord def type :decimal end + + def type_cast_for_schema(value) + value.to_s.inspect + end end end end diff --git a/activerecord/lib/active_record/validations/presence.rb b/activerecord/lib/active_record/validations/presence.rb index ca5eda2f84..7cfd55f516 100644 --- a/activerecord/lib/active_record/validations/presence.rb +++ b/activerecord/lib/active_record/validations/presence.rb @@ -57,7 +57,7 @@ module ActiveRecord # or <tt>unless: Proc.new { |user| user.signup_step <= 2 }</tt>). The method, # proc or string should return or evaluate to a +true+ or +false+ value. # * <tt>:strict</tt> - Specifies whether validation should be strict. - # See ActiveModel::Validation#validates! for more information. + # See ActiveModel::Validations#validates! for more information. def validates_presence_of(*attr_names) validates_with PresenceValidator, _merge_attributes(attr_names) end |