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-rw-r--r--activerecord/lib/active_record/attribute_methods.rb6
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb20
-rw-r--r--activerecord/lib/active_record/integration.rb4
-rw-r--r--activerecord/lib/active_record/migration.rb7
-rw-r--r--activerecord/lib/active_record/railties/databases.rake14
-rw-r--r--activerecord/lib/active_record/relation.rb4
-rw-r--r--activerecord/lib/active_record/relation/delegation.rb5
-rw-r--r--activerecord/lib/active_record/tasks/database_tasks.rb2
8 files changed, 49 insertions, 13 deletions
diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb
index af7e46e649..238ea92da4 100644
--- a/activerecord/lib/active_record/attribute_methods.rb
+++ b/activerecord/lib/active_record/attribute_methods.rb
@@ -24,7 +24,7 @@ module ActiveRecord
RESTRICTED_CLASS_METHODS = %w(private public protected allocate new name parent superclass)
- class GeneratedAttributeMethodsBuilder < Module #:nodoc:
+ class GeneratedAttributeMethods < Module #:nodoc:
include Mutex_m
end
@@ -35,7 +35,7 @@ module ActiveRecord
end
def initialize_generated_modules # :nodoc:
- @generated_attribute_methods = const_set(:GeneratedAttributeMethods, GeneratedAttributeMethodsBuilder.new)
+ @generated_attribute_methods = const_set(:GeneratedAttributeMethods, GeneratedAttributeMethods.new)
private_constant :GeneratedAttributeMethods
@attribute_methods_generated = false
include @generated_attribute_methods
@@ -89,7 +89,7 @@ module ActiveRecord
# If ThisClass < ... < SomeSuperClass < ... < Base and SomeSuperClass
# defines its own attribute method, then we don't want to overwrite that.
defined = method_defined_within?(method_name, superclass, Base) &&
- ! superclass.instance_method(method_name).owner.is_a?(GeneratedAttributeMethodsBuilder)
+ ! superclass.instance_method(method_name).owner.is_a?(GeneratedAttributeMethods)
defined || super
end
end
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 7041d92586..2b64e96450 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -770,6 +770,17 @@ module ActiveRecord
# CREATE FULLTEXT INDEX index_developers_on_name ON developers (name) -- MySQL
#
# Note: only supported by MySQL.
+ #
+ # ====== Creating an index with a specific algorithm
+ #
+ # add_index(:developers, :name, algorithm: :concurrently)
+ # # CREATE INDEX CONCURRENTLY developers_on_name on developers (name)
+ #
+ # Note: only supported by PostgreSQL.
+ #
+ # Concurrently adding an index is not supported in a transaction.
+ #
+ # For more information see the {"Transactional Migrations" section}[rdoc-ref:Migration].
def add_index(table_name, column_name, options = {})
index_name, index_type, index_columns, index_options = add_index_options(table_name, column_name, options)
execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} (#{index_columns})#{index_options}"
@@ -793,6 +804,15 @@ module ActiveRecord
#
# remove_index :accounts, name: :by_branch_party
#
+ # Removes the index named +by_branch_party+ in the +accounts+ table +concurrently+.
+ #
+ # remove_index :accounts, name: :by_branch_party, algorithm: :concurrently
+ #
+ # Note: only supported by PostgreSQL.
+ #
+ # Concurrently removing an index is not supported in a transaction.
+ #
+ # For more information see the {"Transactional Migrations" section}[rdoc-ref:Migration].
def remove_index(table_name, options = {})
index_name = index_name_for_remove(table_name, options)
execute "DROP INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)}"
diff --git a/activerecord/lib/active_record/integration.rb b/activerecord/lib/active_record/integration.rb
index c745bc1330..810b6884f1 100644
--- a/activerecord/lib/active_record/integration.rb
+++ b/activerecord/lib/active_record/integration.rb
@@ -1,6 +1,7 @@
# frozen_string_literal: true
require "active_support/core_ext/string/filters"
+require "active_support/deprecation"
module ActiveRecord
module Integration
@@ -162,8 +163,9 @@ module ActiveRecord
end
def collection_cache_key(collection = all, timestamp_column = :updated_at) # :nodoc:
- collection.compute_cache_key(timestamp_column)
+ collection.send(:compute_cache_key, timestamp_column)
end
+ deprecate :collection_cache_key
end
private
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index ed0c6d48b8..f20edbeb93 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -4,6 +4,7 @@ require "benchmark"
require "set"
require "zlib"
require "active_support/core_ext/module/attribute_accessors"
+require "active_support/actionable_error"
module ActiveRecord
class MigrationError < ActiveRecordError #:nodoc:
@@ -128,6 +129,12 @@ module ActiveRecord
end
class PendingMigrationError < MigrationError #:nodoc:
+ include ActiveSupport::ActionableError
+
+ action "Run pending migrations" do
+ ActiveRecord::Tasks::DatabaseTasks.migrate
+ end
+
def initialize(message = nil)
if !message && defined?(Rails.env)
super("Migrations are pending. To resolve this issue, run:\n\n rails db:migrate RAILS_ENV=#{::Rails.env}")
diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake
index 447def8d77..64a4cb0886 100644
--- a/activerecord/lib/active_record/railties/databases.rake
+++ b/activerecord/lib/active_record/railties/databases.rake
@@ -78,7 +78,7 @@ db_namespace = namespace :db do
desc "Migrate the database (options: VERSION=x, VERBOSE=false, SCOPE=blog)."
task migrate: :load_config do
- ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+ ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).each do |db_config|
ActiveRecord::Base.establish_connection(db_config.config)
ActiveRecord::Tasks::DatabaseTasks.migrate
end
@@ -154,7 +154,7 @@ db_namespace = namespace :db do
desc "Display status of migrations"
task status: :load_config do
- ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+ ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).each do |db_config|
ActiveRecord::Base.establish_connection(db_config.config)
ActiveRecord::Tasks::DatabaseTasks.migrate_status
end
@@ -224,7 +224,7 @@ db_namespace = namespace :db do
desc "Runs setup if database does not exist, or runs migrations if it does"
task prepare: :load_config do
- ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+ ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).each do |db_config|
ActiveRecord::Base.establish_connection(db_config.config)
db_namespace["migrate"].invoke
rescue ActiveRecord::NoDatabaseError
@@ -295,7 +295,7 @@ db_namespace = namespace :db do
desc "Creates a db/schema.rb file that is portable against any DB supported by Active Record"
task dump: :load_config do
require "active_record/schema_dumper"
- ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+ ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).each do |db_config|
filename = ActiveRecord::Tasks::DatabaseTasks.dump_filename(db_config.spec_name, :ruby)
File.open(filename, "w:utf-8") do |file|
ActiveRecord::Base.establish_connection(db_config.config)
@@ -318,7 +318,7 @@ db_namespace = namespace :db do
namespace :cache do
desc "Creates a db/schema_cache.yml file."
task dump: :load_config do
- ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+ ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).each do |db_config|
ActiveRecord::Base.establish_connection(db_config.config)
filename = ActiveRecord::Tasks::DatabaseTasks.cache_dump_filename(db_config.spec_name)
ActiveRecord::Tasks::DatabaseTasks.dump_schema_cache(
@@ -330,7 +330,7 @@ db_namespace = namespace :db do
desc "Clears a db/schema_cache.yml file."
task clear: :load_config do
- ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+ ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).each do |db_config|
filename = ActiveRecord::Tasks::DatabaseTasks.cache_dump_filename(db_config.spec_name)
rm_f filename, verbose: false
end
@@ -341,7 +341,7 @@ db_namespace = namespace :db do
namespace :structure do
desc "Dumps the database structure to db/structure.sql. Specify another file with SCHEMA=db/my_structure.sql"
task dump: :load_config do
- ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+ ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).each do |db_config|
ActiveRecord::Base.establish_connection(db_config.config)
filename = ActiveRecord::Tasks::DatabaseTasks.dump_filename(db_config.spec_name, :sql)
ActiveRecord::Tasks::DatabaseTasks.structure_dump(db_config.config, filename)
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 8eb71e6454..b3a1b69293 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -310,7 +310,7 @@ module ActiveRecord
# Product.where("name like ?", "%Game%").cache_key(:last_reviewed_at)
def cache_key(timestamp_column = :updated_at)
@cache_keys ||= {}
- @cache_keys[timestamp_column] ||= @klass.collection_cache_key(self, timestamp_column)
+ @cache_keys[timestamp_column] ||= compute_cache_key(timestamp_column)
end
def compute_cache_key(timestamp_column = :updated_at) # :nodoc:
@@ -323,6 +323,7 @@ module ActiveRecord
"#{key}-#{compute_cache_version(timestamp_column)}"
end
end
+ private :compute_cache_key
# Returns a cache version that can be used together with the cache key to form
# a recyclable caching scheme. The cache version is built with the number of records
@@ -382,6 +383,7 @@ module ActiveRecord
"#{size}"
end
end
+ private :compute_cache_version
# Scope all queries to the current scope.
#
diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb
index 7a53a9d1c7..d59331053e 100644
--- a/activerecord/lib/active_record/relation/delegation.rb
+++ b/activerecord/lib/active_record/relation/delegation.rb
@@ -45,7 +45,10 @@ module ActiveRecord
private
def generated_relation_methods
- @generated_relation_methods ||= GeneratedRelationMethods.new
+ @generated_relation_methods ||= GeneratedRelationMethods.new.tap do |mod|
+ const_set(:GeneratedRelationMethods, mod)
+ private_constant :GeneratedRelationMethods
+ end
end
end
diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb
index 7285c15477..53e7e1e6d7 100644
--- a/activerecord/lib/active_record/tasks/database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/database_tasks.rb
@@ -142,6 +142,8 @@ module ActiveRecord
end
def for_each
+ return {} unless defined?(Rails)
+
databases = Rails.application.config.load_database_yaml
database_configs = ActiveRecord::DatabaseConfigurations.new(databases).configs_for(env_name: Rails.env)