diff options
Diffstat (limited to 'activerecord/lib/active_record')
35 files changed, 152 insertions, 98 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 1ee52945ea..b1778732dd 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1524,6 +1524,7 @@ module ActiveRecord # Returns the associated object. +nil+ is returned if none is found. # [association=(associate)] # Assigns the associate object, extracts the primary key, and sets it as the foreign key. + # No modification or deletion of existing records takes place. # [build_association(attributes = {})] # Returns a new object of the associated type that has been instantiated # with +attributes+ and linked to this object through a foreign key, but has not yet been saved. @@ -1761,6 +1762,7 @@ module ActiveRecord # has_and_belongs_to_many :projects, -> { includes(:milestones, :manager) } # has_and_belongs_to_many :categories, ->(post) { # where("default_category = ?", post.default_category) + # } # # === Extensions # diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb index 3d4ad1dd5b..544aec5e8b 100644 --- a/activerecord/lib/active_record/associations/belongs_to_association.rb +++ b/activerecord/lib/active_record/associations/belongs_to_association.rb @@ -50,11 +50,8 @@ module ActiveRecord def replace(record) if record raise_on_type_mismatch!(record) - update_counters_on_replace(record) set_inverse_instance(record) @updated = true - else - decrement_counters end replace_keys(record) @@ -80,19 +77,6 @@ module ActiveRecord reflection.counter_cache_column && owner.persisted? end - def update_counters_on_replace(record) - if require_counter_update? && different_target?(record) - owner.instance_variable_set :@_after_replace_counter_called, true - record.increment!(reflection.counter_cache_column, touch: reflection.options[:touch]) - decrement_counters - end - end - - # Checks whether record is different to the current target, without loading it - def different_target?(record) - record._read_attribute(primary_key(record)) != owner._read_attribute(reflection.foreign_key) - end - def replace_keys(record) owner[reflection.foreign_key] = record ? record._read_attribute(primary_key(record)) : nil end diff --git a/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb b/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb index 3fd2fb5f67..9ae452e7a1 100644 --- a/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb +++ b/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb @@ -19,10 +19,6 @@ module ActiveRecord owner[reflection.foreign_type] = record ? record.class.polymorphic_name : nil end - def different_target?(record) - super || record.class != klass - end - def inverse_reflection_for(record) reflection.polymorphic_inverse_of(record.class) end diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb index 0166ed98ca..da4cc343eb 100644 --- a/activerecord/lib/active_record/associations/builder/belongs_to.rb +++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb @@ -34,9 +34,7 @@ module ActiveRecord::Associations::Builder # :nodoc: foreign_key = reflection.foreign_key cache_column = reflection.counter_cache_column - if @_after_replace_counter_called ||= false - @_after_replace_counter_called = false - elsif association(reflection.name).target_changed? + if association(reflection.name).target_changed? if reflection.polymorphic? model = attribute_in_database(reflection.foreign_type).try(:constantize) model_was = attribute_before_last_save(reflection.foreign_type).try(:constantize) diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb index 5c2ac5b374..d4d1b2a282 100644 --- a/activerecord/lib/active_record/associations/preloader.rb +++ b/activerecord/lib/active_record/associations/preloader.rb @@ -88,7 +88,6 @@ module ActiveRecord if records.empty? [] else - records.uniq! Array.wrap(associations).flat_map { |association| preloaders_on association, records, preload_scope } diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb index 783a8366ce..d77d76cb1e 100644 --- a/activerecord/lib/active_record/autosave_association.rb +++ b/activerecord/lib/active_record/autosave_association.rb @@ -149,7 +149,7 @@ module ActiveRecord private def define_non_cyclic_method(name, &block) - return if method_defined?(name) + return if instance_methods(false).include?(name) define_method(name) do |*args| result = true; @_already_called ||= {} # Loop prevention for validation of associations 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 e977d36cb9..99934a0e31 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -731,7 +731,7 @@ module ActiveRecord # this block can't be easily moved into attempt_to_checkout_all_existing_connections's # rescue block, because doing so would put it outside of synchronize section, without # being in a critical section thread_report might become inaccurate - msg = "could not obtain ownership of all database connections in #{checkout_timeout} seconds".dup + msg = +"could not obtain ownership of all database connections in #{checkout_timeout} seconds" thread_report = [] @connections.each do |conn| diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb index ad148efcfe..1305216be2 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb @@ -71,6 +71,11 @@ module ActiveRecord 256 end deprecate :joins_per_query + + private + def bind_params_length + 65535 + end end end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index fdc9ffa688..c10da813ec 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -46,11 +46,16 @@ module ActiveRecord def select_all(arel, name = nil, binds = [], preparable: nil) arel = arel_from_relation(arel) sql, binds = to_sql_and_binds(arel, binds) + if !prepared_statements || (arel.is_a?(String) && preparable.nil?) preparable = false + elsif binds.length > bind_params_length + sql, binds = unprepared_statement { to_sql_and_binds(arel) } + preparable = false else preparable = visitor.preparable end + if prepared_statements && preparable select_prepared(sql, name, binds) else @@ -374,7 +379,7 @@ module ActiveRecord build_fixture_sql(fixtures, table_name) end.compact - table_deletes = tables_to_delete.map { |table| "DELETE FROM #{quote_table_name table}".dup } + table_deletes = tables_to_delete.map { |table| +"DELETE FROM #{quote_table_name table}" } total_sql = Array.wrap(combine_multi_statements(table_deletes + fixture_inserts)) disable_referential_integrity do diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb index 529c9d8ca6..9d9e8a4110 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb @@ -21,7 +21,7 @@ module ActiveRecord private def visit_AlterTable(o) - sql = "ALTER TABLE #{quote_table_name(o.name)} ".dup + sql = +"ALTER TABLE #{quote_table_name(o.name)} " sql << o.adds.map { |col| accept col }.join(" ") sql << o.foreign_key_adds.map { |fk| visit_AddForeignKey fk }.join(" ") sql << o.foreign_key_drops.map { |fk| visit_DropForeignKey fk }.join(" ") @@ -29,17 +29,17 @@ module ActiveRecord def visit_ColumnDefinition(o) o.sql_type = type_to_sql(o.type, o.options) - column_sql = "#{quote_column_name(o.name)} #{o.sql_type}".dup + column_sql = +"#{quote_column_name(o.name)} #{o.sql_type}" add_column_options!(column_sql, column_options(o)) unless o.type == :primary_key column_sql end def visit_AddColumnDefinition(o) - "ADD #{accept(o.column)}".dup + +"ADD #{accept(o.column)}" end def visit_TableDefinition(o) - create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(o.name)} ".dup + create_sql = +"CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(o.name)} " statements = o.columns.map { |c| accept c } statements << accept(o.primary_keys) if o.primary_keys 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 4a6e915b66..723d8c318d 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -211,13 +211,13 @@ module ActiveRecord # # ====== Add a backend specific option to the generated SQL (MySQL) # - # create_table(:suppliers, options: 'ENGINE=InnoDB DEFAULT CHARSET=utf8') + # create_table(:suppliers, options: 'ENGINE=InnoDB DEFAULT CHARSET=utf8mb4') # # generates: # # CREATE TABLE suppliers ( # id bigint auto_increment PRIMARY KEY - # ) ENGINE=InnoDB DEFAULT CHARSET=utf8 + # ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 # # ====== Rename the primary key column # @@ -1380,7 +1380,7 @@ module ActiveRecord sm_table = quote_table_name(ActiveRecord::SchemaMigration.table_name) if versions.is_a?(Array) - sql = "INSERT INTO #{sm_table} (version) VALUES\n".dup + sql = +"INSERT INTO #{sm_table} (version) VALUES\n" sql << versions.map { |v| "(#{quote(v)})" }.join(",\n") sql << ";\n\n" sql diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 42ed9ce82d..79aafc956f 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -162,7 +162,7 @@ module ActiveRecord # this method must only be called while holding connection pool's mutex def lease if in_use? - msg = "Cannot lease connection, ".dup + msg = +"Cannot lease connection, " if @owner == Thread.current msg << "it is already leased by the current thread." else 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 2d287d56e8..09242a0f14 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -43,9 +43,11 @@ module ActiveRecord } class StatementPool < ConnectionAdapters::StatementPool # :nodoc: - private def dealloc(stmt) - stmt.close - end + private + + def dealloc(stmt) + stmt.close + end end def initialize(connection, logger, connection_options, config) @@ -53,8 +55,8 @@ module ActiveRecord @statements = StatementPool.new(self.class.type_cast_config_to_integer(config[:statement_limit])) - if version < "5.1.10" - raise "Your version of MySQL (#{version_string}) is too old. Active Record supports MySQL >= 5.1.10." + if version < "5.5.8" + raise "Your version of MySQL (#{version_string}) is too old. Active Record supports MySQL >= 5.5.8." end end @@ -114,6 +116,14 @@ module ActiveRecord true end + def supports_longer_index_key_prefix? + if mariadb? + version >= "10.2.2" + else + version >= "5.7.9" + end + end + def get_advisory_lock(lock_name, timeout = 0) # :nodoc: query_value("SELECT GET_LOCK(#{quote(lock_name.to_s)}, #{timeout})") == 1 end @@ -127,7 +137,7 @@ module ActiveRecord end def index_algorithms - { default: "ALGORITHM = DEFAULT".dup, copy: "ALGORITHM = COPY".dup, inplace: "ALGORITHM = INPLACE".dup } + { default: +"ALGORITHM = DEFAULT", copy: +"ALGORITHM = COPY", inplace: +"ALGORITHM = INPLACE" } end # HELPER METHODS =========================================== @@ -250,8 +260,12 @@ module ActiveRecord def create_database(name, options = {}) if options[:collation] execute "CREATE DATABASE #{quote_table_name(name)} DEFAULT COLLATE #{quote_table_name(options[:collation])}" + elsif options[:charset] + execute "CREATE DATABASE #{quote_table_name(name)} DEFAULT CHARACTER SET #{quote_table_name(options[:charset])}" + elsif supports_longer_index_key_prefix? + execute "CREATE DATABASE #{quote_table_name(name)} DEFAULT CHARACTER SET `utf8mb4`" else - execute "CREATE DATABASE #{quote_table_name(name)} DEFAULT CHARACTER SET #{quote_table_name(options[:charset] || 'utf8mb4')}" + raise "Configure a supported :charset and ensure innodb_large_prefix is enabled to support indexes on varchar(255) string columns." end end @@ -378,7 +392,7 @@ module ActiveRecord def add_index(table_name, column_name, options = {}) #:nodoc: index_name, index_type, index_columns, _, index_algorithm, index_using, comment = add_index_options(table_name, column_name, options) - sql = "CREATE #{index_type} INDEX #{quote_column_name(index_name)} #{index_using} ON #{quote_table_name(table_name)} (#{index_columns}) #{index_algorithm}".dup + sql = +"CREATE #{index_type} INDEX #{quote_column_name(index_name)} #{index_using} ON #{quote_table_name(table_name)} (#{index_columns}) #{index_algorithm}" execute add_sql_comment!(sql, comment) end @@ -771,7 +785,7 @@ module ActiveRecord # https://dev.mysql.com/doc/refman/5.7/en/set-names.html # (trailing comma because variable_assignments will always have content) if @config[:encoding] - encoding = "NAMES #{@config[:encoding]}".dup + encoding = +"NAMES #{@config[:encoding]}" encoding << " COLLATE #{@config[:collation]}" if @config[:collation] encoding << ", " 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 c9ea653b77..82ed320617 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb @@ -17,7 +17,7 @@ module ActiveRecord end def visit_ChangeColumnDefinition(o) - change_column_sql = "CHANGE #{quote_column_name(o.name)} #{accept(o.column)}".dup + change_column_sql = +"CHANGE #{quote_column_name(o.name)} #{accept(o.column)}" add_column_position!(change_column_sql, column_options(o.column)) end @@ -64,7 +64,7 @@ module ActiveRecord def index_in_create(table_name, column_name, options) index_name, index_type, index_columns, _, _, index_using, comment = @conn.add_index_options(table_name, column_name, options) - add_sql_comment!("#{index_type} INDEX #{quote_column_name(index_name)} #{index_using} (#{index_columns})".dup, comment) + add_sql_comment!((+"#{index_type} INDEX #{quote_column_name(index_name)} #{index_using} (#{index_columns})"), comment) end end 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 1cf210d85b..e167c01802 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb @@ -121,7 +121,7 @@ module ActiveRecord def data_source_sql(name = nil, type: nil) scope = quoted_scope(name, type: type) - sql = "SELECT table_name FROM information_schema.tables".dup + sql = +"SELECT table_name FROM information_schema.tables" sql << " WHERE table_schema = #{scope[:schema]}" sql << " AND table_name = #{scope[:name]}" if scope[:name] sql << " AND table_type = #{scope[:type]}" if scope[:type] diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index 92f15de219..10c8c8e8ab 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -3,7 +3,7 @@ require "active_record/connection_adapters/abstract_mysql_adapter" require "active_record/connection_adapters/mysql/database_statements" -gem "mysql2", ">= 0.4.4", "< 0.6.0" +gem "mysql2", ">= 0.4.4" require "mysql2" module ActiveRecord 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 26abeea7ed..6fbeaa2b9e 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb @@ -33,7 +33,13 @@ module ActiveRecord def cast(value) if value.is_a?(::String) - value = @pg_decoder.decode(value) + value = begin + @pg_decoder.decode(value) + rescue TypeError + # malformed array string is treated as [], will raise in PG 2.0 gem + # this keeps a consistent implementation + [] + end end type_cast_array(value, :cast) 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 00da7690a2..fae3ddbad4 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -686,7 +686,7 @@ module ActiveRecord 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 + sql = +"ALTER COLUMN #{quoted_column_name} TYPE #{sql_type}" if options[:collation] sql << " COLLATE \"#{options[:collation]}\"" end @@ -757,7 +757,7 @@ module ActiveRecord scope = quoted_scope(name, type: type) scope[:type] ||= "'r','v','m','p','f'" # (r)elation/table, (v)iew, (m)aterialized view, (p)artitioned table, (f)oreign table - sql = "SELECT c.relname FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace".dup + sql = +"SELECT c.relname FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace" sql << " WHERE n.nspname = #{scope[:schema]}" sql << " AND c.relname = #{scope[:name]}" if scope[:name] sql << " AND c.relkind IN (#{scope[:type]})" diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 3ee344a249..11593f71c9 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -4,6 +4,14 @@ gem "pg", ">= 0.18", "< 2.0" require "pg" +# Use async_exec instead of exec_params on pg versions before 1.1 +class ::PG::Connection + unless self.public_method_defined?(:async_exec_params) + remove_method :exec_params + alias exec_params async_exec + end +end + require "active_record/connection_adapters/abstract_adapter" require "active_record/connection_adapters/statement_pool" require "active_record/connection_adapters/postgresql/column" @@ -606,7 +614,7 @@ module ActiveRecord type_casted_binds = type_casted_binds(binds) log(sql, name, binds, type_casted_binds) do ActiveSupport::Dependencies.interlock.permit_concurrent_loads do - @connection.async_exec(sql, type_casted_binds) + @connection.exec_params(sql, type_casted_binds) end end end diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb index 24e7bc65fa..48277f0ae2 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb @@ -21,19 +21,24 @@ module ActiveRecord WHERE name = #{quote(row['name'])} AND type = 'index' SQL - /\sWHERE\s+(?<where>.+)$/i =~ index_sql + /\bON\b\s*"?(\w+?)"?\s*\((?<expressions>.+?)\)(?:\s*WHERE\b\s*(?<where>.+))?\z/i =~ index_sql columns = exec_query("PRAGMA index_info(#{quote(row['name'])})", "SCHEMA").map do |col| col["name"] end - # Add info on sort order for columns (only desc order is explicitly specified, asc is - # the default) orders = {} - if index_sql # index_sql can be null in case of primary key indexes - index_sql.scan(/"(\w+)" DESC/).flatten.each { |order_column| - orders[order_column] = :desc - } + + if columns.any?(&:nil?) # index created with an expression + columns = expressions + else + # Add info on sort order for columns (only desc order is explicitly specified, + # asc is the default) + if index_sql # index_sql can be null in case of primary key indexes + index_sql.scan(/"(\w+)" DESC/).flatten.each { |order_column| + orders[order_column] = :desc + } + end end IndexDefinition.new( @@ -81,7 +86,7 @@ module ActiveRecord scope = quoted_scope(name, type: type) scope[:type] ||= "'table','view'" - sql = "SELECT name FROM sqlite_master WHERE name <> 'sqlite_sequence'".dup + sql = +"SELECT name FROM sqlite_master WHERE name <> 'sqlite_sequence'" sql << " AND name = #{scope[:name]}" if scope[:name] sql << " AND type IN (#{scope[:type]})" sql diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index efe454fa7f..baa0a29afd 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -125,6 +125,10 @@ module ActiveRecord true end + def supports_expression_index? + sqlite_version >= "3.9.0" + end + def requires_reloading? true end @@ -483,9 +487,12 @@ module ActiveRecord name = name[1..-1] end - to_column_names = columns(to).map(&:name) - columns = index.columns.map { |c| rename[c] || c }.select do |column| - to_column_names.include?(column) + columns = index.columns + if columns.is_a?(Array) + to_column_names = columns(to).map(&:name) + columns = columns.map { |c| rename[c] || c }.select do |column| + to_column_names.include?(column) + end end unless columns.empty? @@ -569,7 +576,7 @@ module ActiveRecord column end else - basic_structure.to_hash + basic_structure.to_a end end diff --git a/activerecord/lib/active_record/database_configurations.rb b/activerecord/lib/active_record/database_configurations.rb index 9aabde676a..9ff63c6e10 100644 --- a/activerecord/lib/active_record/database_configurations.rb +++ b/activerecord/lib/active_record/database_configurations.rb @@ -10,6 +10,7 @@ module ActiveRecord # application's database configuration hash or url string. class DatabaseConfigurations attr_reader :configurations + delegate :any?, to: :configurations def initialize(configurations = {}) @configurations = build_configs(configurations) diff --git a/activerecord/lib/active_record/explain.rb b/activerecord/lib/active_record/explain.rb index 7ccb938888..919e96cd7a 100644 --- a/activerecord/lib/active_record/explain.rb +++ b/activerecord/lib/active_record/explain.rb @@ -18,7 +18,7 @@ module ActiveRecord # Returns a formatted string ready to be logged. def exec_explain(queries) # :nodoc: str = queries.map do |sql, binds| - msg = "EXPLAIN for: #{sql}".dup + msg = +"EXPLAIN for: #{sql}" unless binds.empty? msg << " " msg << binds.map { |attr| render_bind(attr) }.inspect diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index ea53324829..9651e69edd 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -161,7 +161,7 @@ module ActiveRecord class ProtectedEnvironmentError < ActiveRecordError #:nodoc: def initialize(env = "production") - msg = "You are attempting to run a destructive action against your '#{env}' database.\n".dup + msg = +"You are attempting to run a destructive action against your '#{env}' database.\n" msg << "If you are sure you want to continue, run the same command with the environment variable:\n" msg << "DISABLE_DATABASE_ENVIRONMENT_CHECK=1" super(msg) @@ -170,7 +170,7 @@ module ActiveRecord class EnvironmentMismatchError < ActiveRecordError def initialize(current: nil, stored: nil) - msg = "You are attempting to modify a database that was last run in `#{ stored }` environment.\n".dup + msg = +"You are attempting to modify a database that was last run in `#{ stored }` environment.\n" msg << "You are running in `#{ current }` environment. " msg << "If you are sure you want to continue, first set the environment using:\n\n" msg << " rails db:environment:set" @@ -891,7 +891,7 @@ module ActiveRecord source_migrations.each do |migration| source = File.binread(migration.filename) inserted_comment = "# This migration comes from #{scope} (originally #{migration.version})\n" - magic_comments = "".dup + magic_comments = +"" loop do # If we have a magic comment in the original migration, # insert our comment after the first newline(end of the magic comment line) @@ -1169,7 +1169,7 @@ module ActiveRecord def migrations_path=(path) ActiveSupport::Deprecation.warn \ - "ActiveRecord::Migrator.migrations_paths= is now deprecated and will be removed in Rails 6.0." \ + "`ActiveRecord::Migrator.migrations_path=` is now deprecated and will be removed in Rails 6.0. " \ "You can set the `migrations_paths` on the `connection` instead through the `database.yml`." self.migrations_paths = [path] end @@ -1299,7 +1299,7 @@ module ActiveRecord record_version_state_after_migrating(migration.version) end rescue => e - msg = "An error has occurred, ".dup + msg = +"An error has occurred, " msg << "this and " if use_transaction?(migration) msg << "all later migrations canceled:\n\n#{e}" raise StandardError, msg, e.backtrace diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index 694ff85fa1..9b985e049b 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -375,7 +375,7 @@ module ActiveRecord # default values when instantiating the Active Record object for this table. def column_defaults load_schema - @column_defaults ||= _default_attributes.to_hash + @column_defaults ||= _default_attributes.deep_dup.to_hash end def _default_attributes # :nodoc: diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb index b213754641..812fecbf32 100644 --- a/activerecord/lib/active_record/railtie.rb +++ b/activerecord/lib/active_record/railtie.rb @@ -88,6 +88,31 @@ module ActiveRecord end end + initializer "Check for cache versioning support" do + config.after_initialize do |app| + ActiveSupport.on_load(:active_record) do + if app.config.active_record.cache_versioning && Rails.cache + unless Rails.cache.class.try(:supports_cache_versioning?) + raise <<-end_error + +You're using a cache store that doesn't support native cache versioning. +Your best option is to upgrade to a newer version of #{Rails.cache.class} +that supports cache versioning (#{Rails.cache.class}.supports_cache_versioning? #=> true). + +Next best, switch to a different cache store that does support cache versioning: +https://guides.rubyonrails.org/caching_with_rails.html#cache-stores. + +To keep using the current cache store, you can turn off cache versioning entirely: + + config.active_record.cache_versioning = false + +end_error + end + end + end + end + end + initializer "active_record.check_schema_cache_dump" do if config.active_record.delete(:use_schema_cache_dump) config.after_initialize do |app| diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 86e5d14c81..806f8a1cbb 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -349,7 +349,7 @@ module ActiveRecord stmt = Arel::UpdateManager.new - stmt.set Arel.sql(@klass.sanitize_sql_for_assignment(updates)) + stmt.set Arel.sql(@klass.sanitize_sql_for_assignment(updates, table.name)) stmt.table(table) if has_join_values? || offset_value @@ -377,14 +377,14 @@ module ActiveRecord updates = counters.map do |counter_name, value| operator = value < 0 ? "-" : "+" - quoted_column = connection.quote_column_name(counter_name) + quoted_column = connection.quote_table_name_for_assignment(table.name, counter_name) "#{quoted_column} = COALESCE(#{quoted_column}, 0) #{operator} #{value.abs}" end if touch names = touch if touch != true touch_updates = klass.touch_attributes_with_time(*names) - updates << klass.sanitize_sql_for_assignment(touch_updates) unless touch_updates.empty? + updates << klass.sanitize_sql_for_assignment(touch_updates, table.name) unless touch_updates.empty? end update_all updates.join(", ") @@ -414,14 +414,12 @@ module ActiveRecord # Person.where(name: 'David').touch_all # # => "UPDATE \"people\" SET \"updated_at\" = '2018-01-04 22:55:23.132670' WHERE \"people\".\"name\" = 'David'" def touch_all(*names, time: nil) - updates = touch_attributes_with_time(*names, time: time) - if klass.locking_enabled? - quoted_locking_column = connection.quote_column_name(klass.locking_column) - updates = sanitize_sql_for_assignment(updates) + ", #{quoted_locking_column} = COALESCE(#{quoted_locking_column}, 0) + 1" + names << { time: time } + update_counters(klass.locking_column => 1, touch: names) + else + update_all klass.touch_attributes_with_time(*names, time: time) end - - update_all(updates) end # Destroys the records by instantiating each diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 0fabfe5518..6f420fe6bb 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -338,14 +338,14 @@ module ActiveRecord name = @klass.name if ids.nil? - error = "Couldn't find #{name}".dup + error = +"Couldn't find #{name}" error << " with#{conditions}" if conditions 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) else - error = "Couldn't find all #{name.pluralize} with '#{key}': ".dup + error = +"Couldn't find all #{name.pluralize} with '#{key}': " 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, key, ids) @@ -416,7 +416,7 @@ module ActiveRecord raise UnknownPrimaryKey.new(@klass) if primary_key.nil? expects_array = ids.first.kind_of?(Array) - return ids.first if expects_array && ids.first.empty? + return [] if expects_array && ids.first.empty? ids = ids.flatten.compact.uniq diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb index cb70b8bcde..f734cd0ad8 100644 --- a/activerecord/lib/active_record/relation/predicate_builder.rb +++ b/activerecord/lib/active_record/relation/predicate_builder.rb @@ -57,14 +57,10 @@ module ActiveRecord end def build_bind_attribute(column_name, value) - attr = build_query_attribute(column_name, value) + attr = Relation::QueryAttribute.new(column_name.to_s, value, table.type(column_name)) Arel::Nodes::BindParam.new(attr) end - def build_query_attribute(column_name, value) - Relation::QueryAttribute.new(column_name.to_s, value, table.type(column_name)) - end - protected def expand_from_hash(attributes) return ["1=0"] if attributes.empty? diff --git a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb index 0895b9fba6..fadb3c420d 100644 --- a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb +++ b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb @@ -22,8 +22,8 @@ module ActiveRecord when 1 then predicate_builder.build(attribute, values.first) else values.map! do |v| - attr = predicate_builder.build_query_attribute(attribute.name, v) - attr.value_for_database if attr.boundable? + bind = predicate_builder.build_bind_attribute(attribute.name, v) + bind if bind.value.boundable? end.compact! values.empty? ? NullPredicate : attribute.in(values) end diff --git a/activerecord/lib/active_record/result.rb b/activerecord/lib/active_record/result.rb index 3b2556b1c8..da6d10b6ec 100644 --- a/activerecord/lib/active_record/result.rb +++ b/activerecord/lib/active_record/result.rb @@ -21,7 +21,7 @@ module ActiveRecord # ] # # # Get an array of hashes representing the result (column => value): - # result.to_hash + # result.to_a # # => [{"id" => 1, "title" => "title_1", "body" => "body_1"}, # {"id" => 2, "title" => "title_2", "body" => "body_2"}, # ... @@ -65,9 +65,12 @@ module ActiveRecord end end - # Returns an array of hashes representing each row record. def to_hash - hash_rows + ActiveSupport::Deprecation.warn(<<-MSG.squish) + `ActiveRecord::Result#to_hash` has been renamed to `to_a`. + `to_hash` is deprecated and will be removed in Rails 6.1. + MSG + to_a end alias :map! :map @@ -83,6 +86,8 @@ module ActiveRecord hash_rows end + alias :to_a :to_ary + def [](idx) hash_rows[idx] end diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb index 16e66982e5..5e29085aff 100644 --- a/activerecord/lib/active_record/tasks/database_tasks.rb +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -307,7 +307,7 @@ module ActiveRecord def check_schema_file(filename) unless File.exist?(filename) - message = %{#{filename} doesn't exist yet. Run `rails db:migrate` to create it, then try again.}.dup + message = +%{#{filename} doesn't exist yet. Run `rails db:migrate` to create it, then try again.} message << %{ If you do not intend to use a database, you should instead alter #{Rails.root}/config/application.rb to limit the frameworks that will be loaded.} if defined?(::Rails.root) Kernel.abort message end diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb index eddc6fa223..1c1b29b5e1 100644 --- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb @@ -104,7 +104,7 @@ module ActiveRecord end def run_cmd_error(cmd, args, action) - msg = "failed to execute: `#{cmd}`\n".dup + msg = +"failed to execute: `#{cmd}`\n" msg << "Please check the output above for any errors and make sure that `#{cmd}` is installed in your PATH and has proper permissions.\n\n" msg end diff --git a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb index 533e6953a4..4da918ada3 100644 --- a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb @@ -61,7 +61,7 @@ module ActiveRecord ActiveRecord::Base.dump_schemas end - args = ["-s", "-x", "-O", "-f", filename] + args = ["-s", "-X", "-x", "-O", "-f", filename] args.concat(Array(extra_flags)) if extra_flags unless search_path.blank? args += search_path.split(",").map do |part| @@ -115,7 +115,7 @@ module ActiveRecord end def run_cmd_error(cmd, args, action) - msg = "failed to execute:\n".dup + msg = +"failed to execute:\n" msg << "#{cmd} #{args.join(' ')}\n\n" msg << "Please check the output above for any errors and make sure that `#{cmd}` is installed in your PATH and has proper permissions.\n\n" msg diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb index d0bad05176..a82cea80ca 100644 --- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb @@ -67,7 +67,7 @@ module ActiveRecord end def run_cmd_error(cmd, args) - msg = "failed to execute:\n".dup + msg = +"failed to execute:\n" msg << "#{cmd} #{args.join(' ')}\n\n" msg << "Please check the output above for any errors and make sure that `#{cmd}` is installed in your PATH and has proper permissions.\n\n" msg |