diff options
Diffstat (limited to 'activerecord/lib')
29 files changed, 472 insertions, 182 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index ed215fb22c..921237a735 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -79,7 +79,13 @@ module ActiveRecord def find(*args) if options[:inverse_of] && loaded? args_flatten = args.flatten - raise RecordNotFound, "Couldn't find #{scope.klass.name} without an ID" if args_flatten.blank? + model = scope.klass + + if args_flatten.blank? + error_message = "Couldn't find #{model.name} without an ID" + raise RecordNotFound.new(error_message, model.name, model.primary_key, args) + end + result = find_by_scan(*args) result_size = Array(result).size diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb index 6974cf74f6..a1250c3835 100644 --- a/activerecord/lib/active_record/autosave_association.rb +++ b/activerecord/lib/active_record/autosave_association.rb @@ -436,6 +436,9 @@ module ActiveRecord if (autosave && record.changed_for_autosave?) || new_record? || record_changed?(reflection, record, key) unless reflection.through_reflection record[reflection.foreign_key] = key + if inverse_reflection = reflection.inverse_of + record.association(inverse_reflection.name).loaded! + end end saved = record.save(validate: !autosave) 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 c5013dc1ee..9849f9d5d7 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -63,15 +63,13 @@ module ActiveRecord # There are several connection-pooling-related options that you can add to # your database connection configuration: # - # * +pool+: number indicating size of connection pool (default 5) - # * +checkout_timeout+: number of seconds to block and wait for a connection - # before giving up and raising a timeout error (default 5 seconds). - # * +reaping_frequency+: frequency in seconds to periodically run the - # Reaper, which attempts to find and recover connections from dead - # threads, which can occur if a programmer forgets to close a - # connection at the end of a thread or a thread dies unexpectedly. - # Regardless of this setting, the Reaper will be invoked before every - # blocking wait. (Default +nil+, which means don't schedule the Reaper). + # * +pool+: maximum number of connections the pool may manage (default 5). + # * +idle_timeout+: number of seconds that a connection will be kept + # unused in the pool before it is automatically disconnected (default + # 300 seconds). Set this to zero to keep connections forever. + # * +checkout_timeout+: number of seconds to wait for a connection to + # become available before giving up and raising a timeout error (default + # 5 seconds). # #-- # Synchronization policy: @@ -280,12 +278,12 @@ module ActiveRecord end end - # Every +frequency+ seconds, the reaper will call +reap+ on +pool+. - # A reaper instantiated with a +nil+ frequency will never reap the - # connection pool. + # Every +frequency+ seconds, the reaper will call +reap+ and +flush+ on + # +pool+. A reaper instantiated with a zero frequency will never reap + # the connection pool. # - # Configure the frequency by setting "reaping_frequency" in your - # database yaml file. + # Configure the frequency by setting +reaping_frequency+ in your database + # yaml file (default 60 seconds). class Reaper attr_reader :pool, :frequency @@ -295,11 +293,12 @@ module ActiveRecord end def run - return unless frequency + return unless frequency && frequency > 0 Thread.new(frequency, pool) { |t, p| loop do sleep t p.reap + p.flush end } end @@ -323,6 +322,10 @@ module ActiveRecord @spec = spec @checkout_timeout = (spec.config[:checkout_timeout] && spec.config[:checkout_timeout].to_f) || 5 + if @idle_timeout = spec.config.fetch(:idle_timeout, 300) + @idle_timeout = @idle_timeout.to_f + @idle_timeout = nil if @idle_timeout <= 0 + end # default max pool size to 5 @size = (spec.config[:pool] && spec.config[:pool].to_i) || 5 @@ -353,7 +356,10 @@ module ActiveRecord @lock_thread = false - @reaper = Reaper.new(self, spec.config[:reaping_frequency] && spec.config[:reaping_frequency].to_f) + # +reaping_frequency+ is configurable mostly for historical reasons, but it could + # also be useful if someone wants a very low +idle_timeout+. + reaping_frequency = spec.config.fetch(:reaping_frequency, 60) + @reaper = Reaper.new(self, reaping_frequency && reaping_frequency.to_f) @reaper.run end @@ -587,6 +593,35 @@ module ActiveRecord end end + # Disconnect all connections that have been idle for at least + # +minimum_idle+ seconds. Connections currently checked out, or that were + # checked in less than +minimum_idle+ seconds ago, are unaffected. + def flush(minimum_idle = @idle_timeout) + return if minimum_idle.nil? + + idle_connections = synchronize do + @connections.select do |conn| + !conn.in_use? && conn.seconds_idle >= minimum_idle + end.each do |conn| + conn.lease + + @available.delete conn + @connections.delete conn + end + end + + idle_connections.each do |conn| + conn.disconnect! + end + end + + # Disconnect all currently idle connections. Connections currently checked + # out are unaffected. + def flush! + reap + flush(-1) + end + def num_waiting_in_queue # :nodoc: @available.num_waiting end @@ -956,6 +991,13 @@ module ActiveRecord connection_pool_list.each(&:disconnect!) end + # Disconnects all currently idle connections. + # + # See ConnectionPool#flush! for details. + def flush_idle_connections! + connection_pool_list.each(&:flush!) + end + # Locate the connection of the nearest super class. This can be an # active or defined connection: if it is the latter, it will be # opened and set as the active connection for the class it was defined 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 be2f625d74..0594b4b485 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -6,7 +6,7 @@ module ActiveRecord # this type are typically created and returned by methods in database # adapters. e.g. ActiveRecord::ConnectionAdapters::MySQL::SchemaStatements#indexes class IndexDefinition # :nodoc: - attr_reader :table, :name, :unique, :columns, :lengths, :orders, :where, :type, :using, :comment + attr_reader :table, :name, :unique, :columns, :lengths, :orders, :opclasses, :where, :type, :using, :comment def initialize( table, name, @@ -14,6 +14,7 @@ module ActiveRecord columns = [], lengths: {}, orders: {}, + opclasses: {}, where: nil, type: nil, using: nil, @@ -23,13 +24,23 @@ module ActiveRecord @name = name @unique = unique @columns = columns - @lengths = lengths - @orders = orders + @lengths = concise_options(lengths) + @orders = concise_options(orders) + @opclasses = concise_options(opclasses) @where = where @type = type @using = using @comment = comment end + + private + def concise_options(options) + if columns.size == options.size && options.values.uniq.size == 1 + options.values.first + else + options + end + end end # Abstract representation of a column definition. Instances of this type @@ -85,6 +96,11 @@ module ActiveRecord options[:primary_key] != default_primary_key end + def validate? + options.fetch(:validate, true) + end + alias validated? validate? + def defined_for?(to_table_ord = nil, to_table: nil, **options) if to_table_ord self.to_table == to_table_ord.to_s @@ -204,6 +220,7 @@ module ActiveRecord :decimal, :float, :integer, + :json, :string, :text, :time, 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 9b7345f7c3..4f58b0242c 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -600,7 +600,7 @@ module ActiveRecord # to provide these in a migration's +change+ method so it can be reverted. # In that case, +type+ and +options+ will be used by #add_column. def remove_column(table_name, column_name, type = nil, options = {}) - execute "ALTER TABLE #{quote_table_name(table_name)} DROP #{quote_column_name(column_name)}" + execute "ALTER TABLE #{quote_table_name(table_name)} #{remove_column_for_alter(table_name, column_name, type, options)}" end # Changes the column's definition according to the new options. @@ -738,6 +738,28 @@ module ActiveRecord # # Note: only supported by PostgreSQL and MySQL # + # ====== Creating an index with a specific operator class + # + # add_index(:developers, :name, using: 'gist', opclass: :gist_trgm_ops) + # + # generates: + # + # CREATE INDEX developers_on_name ON developers USING gist (name gist_trgm_ops) -- PostgreSQL + # + # add_index(:developers, [:name, :city], using: 'gist', opclass: { city: :gist_trgm_ops }) + # + # generates: + # + # CREATE INDEX developers_on_name_and_city ON developers USING gist (name, city gist_trgm_ops) -- PostgreSQL + # + # add_index(:developers, [:name, :city], using: 'gist', opclass: :gist_trgm_ops) + # + # generates: + # + # CREATE INDEX developers_on_name_and_city ON developers USING gist (name gist_trgm_ops, city gist_trgm_ops) -- PostgreSQL + # + # Note: only supported by PostgreSQL + # # ====== Creating an index with a specific type # # add_index(:developers, :name, type: :fulltext) @@ -942,6 +964,8 @@ module ActiveRecord # Action that happens <tt>ON DELETE</tt>. Valid values are +:nullify+, +:cascade+ and +:restrict+ # [<tt>:on_update</tt>] # Action that happens <tt>ON UPDATE</tt>. Valid values are +:nullify+, +:cascade+ and +:restrict+ + # [<tt>:validate</tt>] + # (Postgres only) Specify whether or not the constraint should be validated. Defaults to +true+. def add_foreign_key(from_table, to_table, options = {}) return unless supports_foreign_keys? @@ -1120,7 +1144,7 @@ module ActiveRecord def add_index_options(table_name, column_name, comment: nil, **options) # :nodoc: column_names = index_column_names(column_name) - options.assert_valid_keys(:unique, :order, :name, :where, :length, :internal, :using, :algorithm, :type) + options.assert_valid_keys(:unique, :order, :name, :where, :length, :internal, :using, :algorithm, :type, :opclass) index_type = options[:type].to_s if options.key?(:type) index_type ||= options[:unique] ? "UNIQUE" : "" @@ -1173,20 +1197,22 @@ module ActiveRecord end def add_index_sort_order(quoted_columns, **options) - if order = options[:order] - case order - when Hash - order = order.symbolize_keys - quoted_columns.each { |name, column| column << " #{order[name].upcase}" if order[name].present? } - when String - quoted_columns.each { |name, column| column << " #{order.upcase}" if order.present? } - end + orders = options_for_index_columns(options[:order]) + quoted_columns.each do |name, column| + column << " #{orders[name].upcase}" if orders[name].present? end + end - quoted_columns + def options_for_index_columns(options) + if options.is_a?(Hash) + options.symbolize_keys + else + Hash.new { |hash, column| hash[column] = options } + end end - # Overridden by the MySQL adapter for supporting index lengths + # Overridden by the MySQL adapter for supporting index lengths and by + # the PostgreSQL adapter for supporting operator classes. def add_options_for_index_columns(quoted_columns, **options) if supports_index_sort_order? quoted_columns = add_index_sort_order(quoted_columns, options) @@ -1340,6 +1366,20 @@ module ActiveRecord options.is_a?(Hash) && options.key?(:name) && options.except(:name, :algorithm).empty? end + def add_column_for_alter(table_name, column_name, type, options = {}) + td = create_table_definition(table_name) + cd = td.new_column_definition(column_name, type, options) + schema_creation.accept(AddColumnDefinition.new(cd)) + end + + def remove_column_for_alter(table_name, column_name, type = nil, options = {}) + "DROP COLUMN #{quote_column_name(column_name)}" + end + + def remove_columns_for_alter(table_name, *column_names) + column_names.map { |column_name| remove_column_for_alter(table_name, column_name) } + end + def insert_versions_sql(versions) sm_table = quote_table_name(ActiveRecord::SchemaMigration.table_name) diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 5411a6a262..fc80d332f9 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -105,6 +105,7 @@ module ActiveRecord @logger = logger @config = config @pool = nil + @idle_since = Concurrent.monotonic_time @schema_cache = SchemaCache.new self @quoted_column_names, @quoted_table_names = {}, {} @visitor = arel_visitor @@ -164,6 +165,7 @@ module ActiveRecord "Current thread: #{Thread.current}." end + @idle_since = Concurrent.monotonic_time @owner = nil else raise ActiveRecordError, "Cannot expire connection, it is not currently leased." @@ -183,6 +185,12 @@ module ActiveRecord end end + # Seconds since this connection was returned to the pool + def seconds_idle # :nodoc: + return 0 if in_use? + Concurrent.monotonic_time - @idle_since + end + def unprepared_statement old_prepared_statements, @prepared_statements = @prepared_statements, false yield @@ -264,6 +272,11 @@ module ActiveRecord false end + # Does this adapter support creating invalid constraints? + def supports_validate_constraints? + false + end + # Does this adapter support creating foreign key constraints # in the same statement as creating the table? def supports_foreign_keys_in_create? 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 0e552dba95..479131caad 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -299,7 +299,7 @@ module ActiveRecord def bulk_change_table(table_name, operations) #:nodoc: sqls = operations.flat_map do |command, args| table, arguments = args.shift, args - method = :"#{command}_sql" + method = :"#{command}_for_alter" if respond_to?(method, true) send(method, table, *arguments) @@ -372,11 +372,11 @@ module ActiveRecord end def change_column(table_name, column_name, type, options = {}) #:nodoc: - execute("ALTER TABLE #{quote_table_name(table_name)} #{change_column_sql(table_name, column_name, type, options)}") + execute("ALTER TABLE #{quote_table_name(table_name)} #{change_column_for_alter(table_name, column_name, type, options)}") end def rename_column(table_name, column_name, new_column_name) #:nodoc: - execute("ALTER TABLE #{quote_table_name(table_name)} #{rename_column_sql(table_name, column_name, new_column_name)}") + execute("ALTER TABLE #{quote_table_name(table_name)} #{rename_column_for_alter(table_name, column_name, new_column_name)}") rename_column_indexes(table_name, column_name, new_column_name) end @@ -605,25 +605,6 @@ module ActiveRecord end end - def add_index_length(quoted_columns, **options) - if length = options[:length] - case length - when Hash - length = length.symbolize_keys - quoted_columns.each { |name, column| column << "(#{length[name]})" if length[name].present? } - when Integer - quoted_columns.each { |name, column| column << "(#{length})" } - end - end - - quoted_columns - end - - def add_options_for_index_columns(quoted_columns, **options) - quoted_columns = add_index_length(quoted_columns, options) - super - end - # See https://dev.mysql.com/doc/refman/5.7/en/error-messages-server.html ER_DUP_ENTRY = 1062 ER_NOT_NULL_VIOLATION = 1048 @@ -635,6 +616,7 @@ module ActiveRecord ER_CANNOT_ADD_FOREIGN = 1215 ER_CANNOT_CREATE_TABLE = 1005 ER_LOCK_WAIT_TIMEOUT = 1205 + ER_QUERY_INTERRUPTED = 1317 ER_QUERY_TIMEOUT = 3024 def translate_exception(exception, message) @@ -660,21 +642,17 @@ module ActiveRecord when ER_LOCK_DEADLOCK Deadlocked.new(message) when ER_LOCK_WAIT_TIMEOUT - TransactionTimeout.new(message) + LockWaitTimeout.new(message) when ER_QUERY_TIMEOUT StatementTimeout.new(message) + when ER_QUERY_INTERRUPTED + QueryCanceled.new(message) else super end end - def add_column_sql(table_name, column_name, type, options = {}) - td = create_table_definition(table_name) - cd = td.new_column_definition(column_name, type, options) - schema_creation.accept(AddColumnDefinition.new(cd)) - end - - def change_column_sql(table_name, column_name, type, options = {}) + def change_column_for_alter(table_name, column_name, type, options = {}) column = column_for(table_name, column_name) type ||= column.sql_type @@ -695,7 +673,7 @@ module ActiveRecord schema_creation.accept(ChangeColumnDefinition.new(cd, column.name)) end - def rename_column_sql(table_name, column_name, new_column_name) + def rename_column_for_alter(table_name, column_name, new_column_name) column = column_for(table_name, column_name) options = { default: column.default, @@ -709,31 +687,23 @@ module ActiveRecord schema_creation.accept(ChangeColumnDefinition.new(cd, column.name)) end - def remove_column_sql(table_name, column_name, type = nil, options = {}) - "DROP #{quote_column_name(column_name)}" - end - - def remove_columns_sql(table_name, *column_names) - column_names.map { |column_name| remove_column_sql(table_name, column_name) } - end - - def add_index_sql(table_name, column_name, options = {}) + def add_index_for_alter(table_name, column_name, options = {}) index_name, index_type, index_columns, _, index_algorithm, index_using = add_index_options(table_name, column_name, options) index_algorithm[0, 0] = ", " if index_algorithm.present? "ADD #{index_type} INDEX #{quote_column_name(index_name)} #{index_using} (#{index_columns})#{index_algorithm}" end - def remove_index_sql(table_name, options = {}) + def remove_index_for_alter(table_name, options = {}) index_name = index_name_for_remove(table_name, options) "DROP INDEX #{quote_column_name(index_name)}" end - def add_timestamps_sql(table_name, options = {}) - [add_column_sql(table_name, :created_at, :datetime, options), add_column_sql(table_name, :updated_at, :datetime, options)] + def add_timestamps_for_alter(table_name, options = {}) + [add_column_for_alter(table_name, :created_at, :datetime, options), add_column_for_alter(table_name, :updated_at, :datetime, options)] end - def remove_timestamps_sql(table_name, options = {}) - [remove_column_sql(table_name, :updated_at), remove_column_sql(table_name, :created_at)] + def remove_timestamps_for_alter(table_name, options = {}) + [remove_column_for_alter(table_name, :updated_at), remove_column_for_alter(table_name, :created_at)] end # MySQL is too stupid to create a temporary table for use subquery, so we have 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 da25e4863c..2ed4ad16ae 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb @@ -32,10 +32,6 @@ module ActiveRecord args.each { |name| column(name, :longtext, options) } end - def json(*args, **options) - args.each { |name| column(name, :json, options) } - end - def unsigned_integer(*args, **options) args.each { |name| column(name, :unsigned_integer, options) } end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb index a15c7d1787..ce50590651 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb @@ -22,23 +22,26 @@ module ActiveRecord index_using = mysql_index_type end - indexes << IndexDefinition.new( + indexes << [ row[:Table], row[:Key_name], row[:Non_unique].to_i == 0, + [], + lengths: {}, + orders: {}, type: index_type, using: index_using, comment: row[:Index_comment].presence - ) + ] end - indexes.last.columns << row[:Column_name] - indexes.last.lengths.merge!(row[:Column_name] => row[:Sub_part].to_i) if row[:Sub_part] - indexes.last.orders.merge!(row[:Column_name] => :desc) if row[:Collation] == "D" + indexes.last[-2] << row[:Column_name] + indexes.last[-1][:lengths].merge!(row[:Column_name] => row[:Sub_part].to_i) if row[:Sub_part] + indexes.last[-1][:orders].merge!(row[:Column_name] => :desc) if row[:Collation] == "D" end end - indexes + indexes.map { |index| IndexDefinition.new(*index) } end def remove_column(table_name, column_name, type = nil, options = {}) @@ -103,6 +106,18 @@ module ActiveRecord super unless specifier == "RESTRICT" end + def add_index_length(quoted_columns, **options) + lengths = options_for_index_columns(options[:length]) + quoted_columns.each do |name, column| + column << "(#{lengths[name]})" if lengths[name].present? + end + end + + def add_options_for_index_columns(quoted_columns, **options) + quoted_columns = add_index_length(quoted_columns, options) + super + end + def data_source_sql(name = nil, type: nil) scope = quoted_scope(name, type: type) diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index 1d614dc8bf..bfdc7995f0 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -3,9 +3,8 @@ require "active_record/connection_adapters/abstract_mysql_adapter" require "active_record/connection_adapters/mysql/database_statements" -gem "mysql2", ">= 0.3.18", "< 0.5" +gem "mysql2", "~> 0.4.4" require "mysql2" -raise "mysql2 0.4.3 is not supported. Please upgrade to 0.4.4+" if Mysql2::VERSION == "0.4.3" module ActiveRecord module ConnectionHandling # :nodoc: diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb index 59f661da25..8e381a92cf 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb @@ -5,6 +5,18 @@ module ActiveRecord module PostgreSQL class SchemaCreation < AbstractAdapter::SchemaCreation # :nodoc: private + def visit_AlterTable(o) + super << o.constraint_validations.map { |fk| visit_ValidateConstraint fk }.join(" ") + end + + def visit_AddForeignKey(o) + super.dup.tap { |sql| sql << " NOT VALID" unless o.validate? } + end + + def visit_ValidateConstraint(name) + "VALIDATE CONSTRAINT #{quote_column_name(name)}" + end + def add_column_options!(sql, options) if options[:collation] sql << " COLLATE \"#{options[:collation]}\"" diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb index 75622eb304..6047217fcd 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb @@ -95,10 +95,6 @@ module ActiveRecord args.each { |name| column(name, :int8range, options) } end - def json(*args, **options) - args.each { |name| column(name, :json, options) } - end - def jsonb(*args, **options) args.each { |name| column(name, :jsonb, options) } end @@ -192,6 +188,19 @@ module ActiveRecord class Table < ActiveRecord::ConnectionAdapters::Table include ColumnMethods end + + class AlterTable < ActiveRecord::ConnectionAdapters::AlterTable + attr_reader :constraint_validations + + def initialize(td) + super + @constraint_validations = [] + end + + def validate_constraint(name) + @constraint_validations << name + end + end end end 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 846e721983..bf5fbb30e1 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -87,10 +87,7 @@ module ActiveRecord result = query(<<-SQL, "SCHEMA") SELECT distinct i.relname, d.indisunique, d.indkey, pg_get_indexdef(d.indexrelid), t.oid, - pg_catalog.obj_description(i.oid, 'pg_class') AS comment, - (SELECT COUNT(*) FROM pg_opclass o - JOIN (SELECT unnest(string_to_array(d.indclass::text, ' '))::int oid) c - ON o.oid = c.oid WHERE o.opcdefault = 'f') + pg_catalog.obj_description(i.oid, 'pg_class') AS comment FROM pg_class t INNER JOIN pg_index d ON t.oid = d.indrelid INNER JOIN pg_class i ON d.indexrelid = i.oid @@ -109,11 +106,13 @@ module ActiveRecord inddef = row[3] oid = row[4] comment = row[5] - opclass = row[6] using, expressions, where = inddef.scan(/ USING (\w+?) \((.+?)\)(?: WHERE (.+))?\z/).flatten - if indkey.include?(0) || opclass > 0 + orders = {} + opclasses = {} + + if indkey.include?(0) columns = expressions else columns = Hash[query(<<-SQL.strip_heredoc, "SCHEMA")].values_at(*indkey).compact @@ -123,10 +122,12 @@ module ActiveRecord AND a.attnum IN (#{indkey.join(",")}) SQL - # add info on sort order for columns (only desc order is explicitly specified, asc is the default) - orders = Hash[ - expressions.scan(/(\w+) DESC/).flatten.map { |order_column| [order_column, :desc] } - ] + # add info on sort order (only desc order is explicitly specified, asc is the default) + # and non-default opclasses + expressions.scan(/(\w+)(?: (?!DESC)(\w+))?(?: (DESC))?/).each do |column, opclass, desc| + opclasses[column] = opclass.to_sym if opclass + orders[column] = :desc if desc + end end IndexDefinition.new( @@ -135,6 +136,7 @@ module ActiveRecord unique, columns, orders: orders, + opclasses: opclasses, where: where, using: using.to_sym, comment: comment.presence @@ -392,50 +394,23 @@ module ActiveRecord def change_column(table_name, column_name, type, options = {}) #:nodoc: clear_cache! - quoted_table_name = quote_table_name(table_name) - quoted_column_name = quote_column_name(column_name) - sql_type = type_to_sql(type, options) - sql = "ALTER TABLE #{quoted_table_name} ALTER COLUMN #{quoted_column_name} TYPE #{sql_type}".dup - if options[:collation] - sql << " COLLATE \"#{options[:collation]}\"" - end - if options[:using] - sql << " USING #{options[:using]}" - elsif options[:cast_as] - cast_as_type = type_to_sql(options[:cast_as], options) - sql << " USING CAST(#{quoted_column_name} AS #{cast_as_type})" - end - execute sql - - 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) + sqls, procs = change_column_for_alter(table_name, column_name, type, options) + execute "ALTER TABLE #{quote_table_name(table_name)} #{sqls.join(", ")}" + procs.each(&:call) end # Changes the default value of a table column. def change_column_default(table_name, column_name, default_or_changes) # :nodoc: - clear_cache! - column = column_for(table_name, column_name) - return unless column - - default = extract_new_default_value(default_or_changes) - alter_column_query = "ALTER TABLE #{quote_table_name(table_name)} ALTER COLUMN #{quote_column_name(column_name)} %s" - if default.nil? - # <tt>DEFAULT NULL</tt> results in the same behavior as <tt>DROP DEFAULT</tt>. However, PostgreSQL will - # cast the default to the columns type, which leaves us with a default like "default NULL::character varying". - execute alter_column_query % "DROP DEFAULT" - else - execute alter_column_query % "SET DEFAULT #{quote_default_expression(default, column)}" - end + execute "ALTER TABLE #{quote_table_name(table_name)} #{change_column_default_for_alter(table_name, column_name, default_or_changes)}" end def change_column_null(table_name, column_name, null, default = nil) #:nodoc: clear_cache! unless null || default.nil? column = column_for(table_name, column_name) - execute("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote_default_expression(default, column)} WHERE #{quote_column_name(column_name)} IS NULL") if column + execute "UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote_default_expression(default, column)} WHERE #{quote_column_name(column_name)} IS NULL" if column end - execute("ALTER TABLE #{quote_table_name(table_name)} ALTER #{quote_column_name(column_name)} #{null ? 'DROP' : 'SET'} NOT NULL") + execute "ALTER TABLE #{quote_table_name(table_name)} #{change_column_null_for_alter(table_name, column_name, null, default)}" end # Adds comment for given table column or drops it if +comment+ is a +nil+ @@ -458,8 +433,8 @@ module ActiveRecord end def add_index(table_name, column_name, options = {}) #:nodoc: - index_name, index_type, index_columns, index_options, index_algorithm, index_using, comment = add_index_options(table_name, column_name, options) - execute("CREATE #{index_type} INDEX #{index_algorithm} #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} #{index_using} (#{index_columns})#{index_options}").tap do + index_name, index_type, index_columns_and_opclasses, index_options, index_algorithm, index_using, comment = add_index_options(table_name, column_name, options) + execute("CREATE #{index_type} INDEX #{index_algorithm} #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} #{index_using} (#{index_columns_and_opclasses})#{index_options}").tap do execute "COMMENT ON INDEX #{quote_column_name(index_name)} IS #{quote(comment)}" if comment end end @@ -499,7 +474,7 @@ module ActiveRecord def foreign_keys(table_name) scope = quoted_scope(table_name) fk_info = exec_query(<<-SQL.strip_heredoc, "SCHEMA") - SELECT t2.oid::regclass::text AS to_table, a1.attname AS column, a2.attname AS primary_key, c.conname AS name, c.confupdtype AS on_update, c.confdeltype AS on_delete + SELECT t2.oid::regclass::text AS to_table, a1.attname AS column, a2.attname AS primary_key, c.conname AS name, c.confupdtype AS on_update, c.confdeltype AS on_delete, c.convalidated AS valid FROM pg_constraint c JOIN pg_class t1 ON c.conrelid = t1.oid JOIN pg_class t2 ON c.confrelid = t2.oid @@ -521,6 +496,7 @@ module ActiveRecord options[:on_delete] = extract_foreign_key_action(row["on_delete"]) options[:on_update] = extract_foreign_key_action(row["on_update"]) + options[:validate] = row["valid"] ForeignKeyDefinition.new(table_name, row["to_table"], options) end @@ -581,6 +557,43 @@ module ActiveRecord PostgreSQL::SchemaDumper.create(self, options) end + # Validates the given constraint. + # + # Validates the constraint named +constraint_name+ on +accounts+. + # + # validate_constraint :accounts, :constraint_name + def validate_constraint(table_name, constraint_name) + return unless supports_validate_constraints? + + at = create_alter_table table_name + at.validate_constraint constraint_name + + execute schema_creation.accept(at) + end + + # Validates the given foreign key. + # + # Validates the foreign key on +accounts.branch_id+. + # + # validate_foreign_key :accounts, :branches + # + # Validates the foreign key on +accounts.owner_id+. + # + # validate_foreign_key :accounts, column: :owner_id + # + # Validates the foreign key named +special_fk_name+ on the +accounts+ table. + # + # validate_foreign_key :accounts, name: :special_fk_name + # + # The +options+ hash accepts the same keys as SchemaStatements#add_foreign_key. + def validate_foreign_key(from_table, options_or_to_table = {}) + return unless supports_validate_constraints? + + fk_name_to_validate = foreign_key_for!(from_table, options_or_to_table).name + + validate_constraint from_table, fk_name_to_validate + end + private def schema_creation PostgreSQL::SchemaCreation.new(self) @@ -590,6 +603,10 @@ module ActiveRecord PostgreSQL::TableDefinition.new(*args) end + def create_alter_table(name) + PostgreSQL::AlterTable.new create_table_definition(name) + end + def new_column_from_field(table_name, field) column_name, type, default, notnull, oid, fmod, collation, comment = field type_metadata = fetch_type_metadata(column_name, type, oid.to_i, fmod.to_i) @@ -629,6 +646,66 @@ module ActiveRecord end end + def change_column_sql(table_name, column_name, type, options = {}) + quoted_column_name = quote_column_name(column_name) + sql_type = type_to_sql(type, options) + sql = "ALTER COLUMN #{quoted_column_name} TYPE #{sql_type}".dup + if options[:collation] + sql << " COLLATE \"#{options[:collation]}\"" + end + if options[:using] + sql << " USING #{options[:using]}" + elsif options[:cast_as] + cast_as_type = type_to_sql(options[:cast_as], options) + sql << " USING CAST(#{quoted_column_name} AS #{cast_as_type})" + end + + sql + end + + def change_column_for_alter(table_name, column_name, type, options = {}) + sqls = [change_column_sql(table_name, column_name, type, options)] + procs = [] + sqls << change_column_default_for_alter(table_name, column_name, options[:default]) if options.key?(:default) + sqls << change_column_null_for_alter(table_name, column_name, options[:null], options[:default]) if options.key?(:null) + procs << Proc.new { change_column_comment(table_name, column_name, options[:comment]) } if options.key?(:comment) + + [sqls, procs] + end + + + # Changes the default value of a table column. + def change_column_default_for_alter(table_name, column_name, default_or_changes) # :nodoc: + column = column_for(table_name, column_name) + return unless column + + default = extract_new_default_value(default_or_changes) + alter_column_query = "ALTER COLUMN #{quote_column_name(column_name)} %s" + if default.nil? + # <tt>DEFAULT NULL</tt> results in the same behavior as <tt>DROP DEFAULT</tt>. However, PostgreSQL will + # cast the default to the columns type, which leaves us with a default like "default NULL::character varying". + alter_column_query % "DROP DEFAULT" + else + alter_column_query % "SET DEFAULT #{quote_default_expression(default, column)}" + end + end + + def change_column_null_for_alter(table_name, column_name, null, default = nil) #:nodoc: + "ALTER #{quote_column_name(column_name)} #{null ? 'DROP' : 'SET'} NOT NULL" + end + + def add_index_opclass(quoted_columns, **options) + opclasses = options_for_index_columns(options[:opclass]) + quoted_columns.each do |name, column| + column << " #{opclasses[name]}" if opclasses[name].present? + end + end + + def add_options_for_index_columns(quoted_columns, **options) + quoted_columns = add_index_opclass(quoted_columns, options) + super + end + def data_source_sql(name = nil, type: nil) scope = quoted_scope(name, type: type) scope[:type] ||= "'r','v','m'" # (r)elation/table, (v)iew, (m)aterialized view diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 1739c288b6..23fc69d649 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -142,6 +142,10 @@ module ActiveRecord true end + def supports_validate_constraints? + true + end + def supports_views? true end @@ -166,7 +170,7 @@ module ActiveRecord { concurrently: "CONCURRENTLY" } end - class StatementPool < ConnectionAdapters::StatementPool + class StatementPool < ConnectionAdapters::StatementPool # :nodoc: def initialize(connection, max) super(max) @connection = connection @@ -182,7 +186,6 @@ module ActiveRecord end private - def dealloc(key) @connection.query "DEALLOCATE #{key}" if connection_active? rescue PG::Error @@ -387,7 +390,6 @@ module ActiveRecord end private - # See https://www.postgresql.org/docs/current/static/errcodes-appendix.html VALUE_LIMIT_VIOLATION = "22001" NUMERIC_VALUE_OUT_OF_RANGE = "22003" @@ -418,9 +420,9 @@ module ActiveRecord when DEADLOCK_DETECTED Deadlocked.new(message) when LOCK_NOT_AVAILABLE - TransactionTimeout.new(message) + LockWaitTimeout.new(message) when QUERY_CANCELED - StatementTimeout.new(message) + QueryCanceled.new(message) else super end diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 670afa3684..c72db15ce3 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -70,7 +70,8 @@ module ActiveRecord time: { name: "time" }, date: { name: "date" }, binary: { name: "blob" }, - boolean: { name: "boolean" } + boolean: { name: "boolean" }, + json: { name: "json" }, } ## @@ -90,9 +91,8 @@ module ActiveRecord # Rails.application.config.active_record.sqlite3.represent_boolean_as_integer = true class_attribute :represent_boolean_as_integer, default: false - class StatementPool < ConnectionAdapters::StatementPool + class StatementPool < ConnectionAdapters::StatementPool # :nodoc: private - def dealloc(stmt) stmt[:stmt].close unless stmt[:stmt].closed? end @@ -135,6 +135,10 @@ module ActiveRecord true end + def supports_json? + true + end + def supports_multi_insert? sqlite_version >= "3.7.11" end @@ -370,6 +374,10 @@ module ActiveRecord end private + def initialize_type_map(m = type_map) + super + register_class_with_limit m, %r(int)i, SQLite3Integer + end def table_structure(table_name) structure = exec_query("PRAGMA table_info(#{quote_table_name(table_name)})", "SCHEMA") @@ -399,18 +407,21 @@ module ActiveRecord options[:id] = false create_table(to, options) do |definition| @definition = definition - @definition.primary_key(from_primary_key) if from_primary_key.present? + if from_primary_key.is_a?(Array) + @definition.primary_keys from_primary_key + end columns(from).each do |column| column_name = options[:rename] ? (options[:rename][column.name] || options[:rename][column.name.to_sym] || column.name) : column.name - next if column_name == from_primary_key @definition.column(column_name, column.type, limit: column.limit, default: column.default, precision: column.precision, scale: column.scale, - null: column.null, collation: column.collation) + null: column.null, collation: column.collation, + primary_key: column_name == from_primary_key + ) end yield @definition if block_given? end @@ -423,6 +434,9 @@ module ActiveRecord def copy_table_indexes(from, to, rename = {}) indexes(from).each do |index| name = index.name + # indexes sqlite creates for internal use start with `sqlite_` and + # don't need to be copied + next if name.starts_with?("sqlite_") if to == "a#{from}" name = "t#{name}" elsif from == "a#{to}" @@ -525,6 +539,17 @@ module ActiveRecord def configure_connection execute("PRAGMA foreign_keys = ON", "SCHEMA") end + + class SQLite3Integer < Type::Integer # :nodoc: + private + def _limit + # INTEGER storage class can be stored 8 bytes value. + # See https://www.sqlite.org/datatype3.html#storage_classes_and_datatypes + limit || 8 + end + end + + ActiveRecord::Type.register(:integer, SQLite3Integer, adapter: :sqlite3) end ActiveSupport.run_load_hooks(:active_record_sqlite3adapter, SQLite3Adapter) end diff --git a/activerecord/lib/active_record/connection_handling.rb b/activerecord/lib/active_record/connection_handling.rb index 9a47edfba4..88d28dc52a 100644 --- a/activerecord/lib/active_record/connection_handling.rb +++ b/activerecord/lib/active_record/connection_handling.rb @@ -140,6 +140,6 @@ module ActiveRecord end delegate :clear_active_connections!, :clear_reloadable_connections!, - :clear_all_connections!, to: :connection_handler + :clear_all_connections!, :flush_idle_connections!, to: :connection_handler end end diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb index f373b98035..1a3e6e4d09 100644 --- a/activerecord/lib/active_record/enum.rb +++ b/activerecord/lib/active_record/enum.rb @@ -221,6 +221,8 @@ module ActiveRecord def detect_enum_conflict!(enum_name, method_name, klass_method = false) if klass_method && dangerous_class_method?(method_name) raise_conflict_error(enum_name, method_name, type: "class") + elsif klass_method && method_defined_within?(method_name, Relation) + raise_conflict_error(enum_name, method_name, type: "class", source: Relation.name) elsif !klass_method && dangerous_attribute_method?(method_name) raise_conflict_error(enum_name, method_name) elsif !klass_method && method_defined_within?(method_name, _enum_methods_module, Module) diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index 7382879fce..efcbd44776 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -335,14 +335,18 @@ module ActiveRecord class IrreversibleOrderError < ActiveRecordError end - # TransactionTimeout will be raised when lock wait timeout exceeded. - class TransactionTimeout < StatementInvalid + # LockWaitTimeout will be raised when lock wait timeout exceeded. + class LockWaitTimeout < StatementInvalid end # StatementTimeout will be raised when statement timeout exceeded. class StatementTimeout < StatementInvalid end + # QueryCanceled will be raised when canceling statement due to user request. + class QueryCanceled < StatementInvalid + end + # UnknownAttributeReference is raised when an unknown and potentially unsafe # value is passed to a query method when allow_unsafe_raw_sql is set to # :disabled. For example, passing a non column name value to a relation's diff --git a/activerecord/lib/active_record/gem_version.rb b/activerecord/lib/active_record/gem_version.rb index 7ccb57b305..7e47dac016 100644 --- a/activerecord/lib/active_record/gem_version.rb +++ b/activerecord/lib/active_record/gem_version.rb @@ -10,7 +10,7 @@ module ActiveRecord MAJOR = 5 MINOR = 2 TINY = 0 - PRE = "alpha" + PRE = "beta2" 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 15e9c09ffb..5c10d4ff24 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -1045,7 +1045,7 @@ module ActiveRecord new(:up, migrations(migrations_paths), nil) end - def get_all_versions(connection = Base.connection) + def get_all_versions if SchemaMigration.table_exists? SchemaMigration.all_versions.map(&:to_i) else @@ -1053,12 +1053,13 @@ module ActiveRecord end end - def current_version(connection = Base.connection) - get_all_versions(connection).max || 0 + def current_version(connection = nil) + get_all_versions.max || 0 + rescue ActiveRecord::NoDatabaseError end - def needs_migration?(connection = Base.connection) - (migrations(migrations_paths).collect(&:version) - get_all_versions(connection)).size > 0 + def needs_migration?(connection = nil) + (migrations(migrations_paths).collect(&:version) - get_all_versions).size > 0 end def any_migrations? diff --git a/activerecord/lib/active_record/migration/compatibility.rb b/activerecord/lib/active_record/migration/compatibility.rb index c979aaf0a0..bd8c054c28 100644 --- a/activerecord/lib/active_record/migration/compatibility.rb +++ b/activerecord/lib/active_record/migration/compatibility.rb @@ -16,6 +16,18 @@ module ActiveRecord V5_2 = Current class V5_1 < V5_2 + def change_column(table_name, column_name, type, options = {}) + if adapter_name == "PostgreSQL" + clear_cache! + sql = connection.send(:change_column_sql, table_name, column_name, type, options) + execute "ALTER TABLE #{quote_table_name(table_name)} #{sql}" + 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) + else + super + end + end end class V5_0 < V5_1 diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index 12ee4a4137..1941d3d5ea 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -323,11 +323,11 @@ module ActiveRecord end def attributes_builder # :nodoc: - @attributes_builder ||= ActiveModel::AttributeSet::Builder.new(attribute_types, primary_key) do |name| - unless columns_hash.key?(name) - _default_attributes[name].dup - end + unless defined?(@attributes_builder) && @attributes_builder + defaults = _default_attributes.except(*(column_names - [primary_key])) + @attributes_builder = ActiveModel::AttributeSet::Builder.new(attribute_types, defaults) end + @attributes_builder end def columns_hash # :nodoc: diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index 4e1b05dbf6..a13b0d0181 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -99,7 +99,9 @@ module ActiveRecord # for updating all records in a single query. def update(id = :all, attributes) if id.is_a?(Array) - id.map.with_index { |one_id, idx| update(one_id, attributes[idx]) }.compact + id.map { |one_id| find(one_id) }.each_with_index { |object, idx| + object.update(attributes[idx]) + } elsif id == :all all.each { |record| record.update(attributes) } else @@ -112,7 +114,6 @@ module ActiveRecord object.update(attributes) object end - rescue RecordNotFound end # Destroy an object (or multiple objects) that has the given id. The object is instantiated first, @@ -136,11 +137,10 @@ module ActiveRecord # Todo.destroy(todos) def destroy(id) if id.is_a?(Array) - id.map { |one_id| destroy(one_id) }.compact + find(id).each(&:destroy) else find(id).destroy end - rescue RecordNotFound end # Deletes the row with a primary key matching the +id+ argument, using a diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb index 812e1d7a00..4538ed6a5f 100644 --- a/activerecord/lib/active_record/railtie.rb +++ b/activerecord/lib/active_record/railtie.rb @@ -90,12 +90,15 @@ module ActiveRecord filename = File.join(app.config.paths["db"].first, "schema_cache.yml") if File.file?(filename) + current_version = ActiveRecord::Migrator.current_version + next if current_version.nil? + cache = YAML.load(File.read(filename)) - if cache.version == ActiveRecord::Migrator.current_version + if cache.version == current_version connection.schema_cache = cache connection_pool.schema_cache = cache.dup else - warn "Ignoring db/schema_cache.yml because it has expired. The current schema version is #{ActiveRecord::Migrator.current_version}, but the one in the cache is #{cache.version}." + warn "Ignoring db/schema_cache.yml because it has expired. The current schema version is #{current_version}, but the one in the cache is #{cache.version}." end end end @@ -177,7 +180,16 @@ end_warning initializer "active_record.clear_active_connections" do config.after_initialize do ActiveSupport.on_load(:active_record) do + # Ideally the application doesn't connect to the database during boot, + # but sometimes it does. In case it did, we want to empty out the + # connection pools so that a non-database-using process (e.g. a master + # process in a forking server model) doesn't retain a needless + # connection. If it was needed, the incremental cost of reestablishing + # this connection is trivial: the rest of the pool would need to be + # populated anyway. + clear_active_connections! + flush_idle_connections! end end end diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index d3b8091665..081ef5771f 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -544,7 +544,6 @@ module ActiveRecord end @records.each(&:readonly!) if readonly_value - @offsets = {} unless @offsets.empty? @loaded = true @records diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 706fd57704..ff06ecbee1 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -18,9 +18,10 @@ module ActiveRecord # Person.find([1]) # returns an array for the object with ID = 1 # Person.where("administrator = 1").order("created_on DESC").find(1) # - # NOTE: The returned records may not be in the same order as the ids you - # provide since database rows are unordered. You will need to provide an explicit QueryMethods#order - # option if you want the results to be sorted. + # NOTE: The returned records are in the same order as the ids you provide. + # If you want the results to be sorted by database, you can use ActiveRecord::QueryMethods#where + # method and provide an explicit ActiveRecord::QueryMethods#order option. + # But ActiveRecord::QueryMethods#where method doesn't raise ActiveRecord::RecordNotFound. # # ==== Find with lock # @@ -88,7 +89,7 @@ module ActiveRecord where(arg, *args).take! rescue ::RangeError raise RecordNotFound.new("Couldn't find #{@klass.name} with an out of range value", - @klass.name) + @klass.name, @klass.primary_key) end # Gives a record (or N records if a parameter is supplied) without any implied @@ -339,7 +340,7 @@ module ActiveRecord if ids.nil? error = "Couldn't find #{name}".dup error << " with#{conditions}" if conditions - raise RecordNotFound.new(error, name) + raise RecordNotFound.new(error, name, key) elsif Array(ids).size == 1 error = "Couldn't find #{name} with '#{key}'=#{ids}#{conditions}" raise RecordNotFound.new(error, name, key, ids) @@ -347,7 +348,7 @@ module ActiveRecord error = "Couldn't find all #{name.pluralize} with '#{key}': ".dup error << "(#{ids.join(", ")})#{conditions} (found #{result_size} results, but was looking for #{expected_size})." error << " Couldn't find #{name.pluralize(not_found_ids.size)} with #{key.to_s.pluralize(not_found_ids.size)} #{not_found_ids.join(', ')}." if not_found_ids - raise RecordNotFound.new(error, name, primary_key, ids) + raise RecordNotFound.new(error, name, key, ids) end end @@ -433,9 +434,12 @@ module ActiveRecord ids = ids.flatten.compact.uniq + model_name = @klass.name + case ids.size when 0 - raise RecordNotFound, "Couldn't find #{@klass.name} without an ID" + error_message = "Couldn't find #{model_name} without an ID" + raise RecordNotFound.new(error_message, model_name, primary_key) when 1 result = find_one(ids.first) expects_array ? [ result ] : result @@ -443,7 +447,8 @@ module ActiveRecord find_some(ids) end rescue ::RangeError - raise RecordNotFound, "Couldn't find #{@klass.name} with an out of range ID" + error_message = "Couldn't find #{model_name} with an out of range ID" + raise RecordNotFound.new(error_message, model_name, primary_key, ids) end def find_one(id) diff --git a/activerecord/lib/active_record/relation/where_clause.rb b/activerecord/lib/active_record/relation/where_clause.rb index 752bb38481..a502713e56 100644 --- a/activerecord/lib/active_record/relation/where_clause.rb +++ b/activerecord/lib/active_record/relation/where_clause.rb @@ -47,7 +47,7 @@ module ActiveRecord end def to_h(table_name = nil) - equalities = predicates.grep(Arel::Nodes::Equality) + equalities = equalities(predicates) if table_name equalities = equalities.select do |node| node.left.relation.name == table_name @@ -90,6 +90,20 @@ module ActiveRecord end private + def equalities(predicates) + equalities = [] + + predicates.each do |node| + case node + when Arel::Nodes::Equality + equalities << node + when Arel::Nodes::And + equalities.concat equalities(node.children) + end + end + + equalities + end def predicates_unreferenced_by(other) predicates.reject do |n| @@ -121,7 +135,7 @@ module ActiveRecord end def except_predicates(columns) - self.predicates.reject do |node| + predicates.reject do |node| case node when Arel::Nodes::Between, Arel::Nodes::In, Arel::Nodes::NotIn, Arel::Nodes::Equality, Arel::Nodes::NotEqual, Arel::Nodes::LessThan, Arel::Nodes::LessThanOrEqual, Arel::Nodes::GreaterThan, Arel::Nodes::GreaterThanOrEqual subrelation = (node.left.kind_of?(Arel::Attributes::Attribute) ? node.left : node.right) diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb index 66f7d29886..16ccba6b6c 100644 --- a/activerecord/lib/active_record/schema_dumper.rb +++ b/activerecord/lib/active_record/schema_dumper.rb @@ -184,8 +184,9 @@ HEADER "name: #{index.name.inspect}", ] index_parts << "unique: true" if index.unique - index_parts << "length: { #{format_options(index.lengths)} }" if index.lengths.present? - index_parts << "order: { #{format_options(index.orders)} }" if index.orders.present? + index_parts << "length: #{format_index_parts(index.lengths)}" if index.lengths.present? + index_parts << "order: #{format_index_parts(index.orders)}" if index.orders.present? + index_parts << "opclass: #{format_index_parts(index.opclasses)}" if index.opclasses.present? index_parts << "where: #{index.where.inspect}" if index.where index_parts << "using: #{index.using.inspect}" if !@connection.default_index_type?(index) index_parts << "type: #{index.type.inspect}" if index.type @@ -231,6 +232,14 @@ HEADER options.map { |key, value| "#{key}: #{value.inspect}" }.join(", ") end + def format_index_parts(options) + if options.is_a?(Hash) + "{ #{format_options(options)} }" + else + options.inspect + end + end + def remove_prefix_and_suffix(table) prefix = Regexp.escape(@options[:table_name_prefix].to_s) suffix = Regexp.escape(@options[:table_name_suffix].to_s) diff --git a/activerecord/lib/active_record/scoping/named.rb b/activerecord/lib/active_record/scoping/named.rb index 310af72c41..752655aa05 100644 --- a/activerecord/lib/active_record/scoping/named.rb +++ b/activerecord/lib/active_record/scoping/named.rb @@ -171,6 +171,12 @@ module ActiveRecord "a class method with the same name." end + if method_defined_within?(name, Relation) + raise ArgumentError, "You tried to define a scope named \"#{name}\" " \ + "on the model \"#{self.name}\", but ActiveRecord::Relation already defined " \ + "an instance method with the same name." + end + valid_scope_name?(name) extension = Module.new(&block) if block |