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-rw-r--r--activerecord/lib/active_record.rb1
-rw-r--r--activerecord/lib/active_record/associations.rb16
-rw-r--r--activerecord/lib/active_record/associations/belongs_to_association.rb11
-rw-r--r--activerecord/lib/active_record/associations/builder/belongs_to.rb12
-rw-r--r--activerecord/lib/active_record/associations/join_dependency.rb9
-rw-r--r--activerecord/lib/active_record/associations/join_dependency/join_part.rb4
-rw-r--r--activerecord/lib/active_record/attribute_methods.rb32
-rw-r--r--activerecord/lib/active_record/attribute_methods/dirty.rb19
-rw-r--r--activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb2
-rw-r--r--activerecord/lib/active_record/autosave_association.rb10
-rw-r--r--activerecord/lib/active_record/base.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb8
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb9
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb4
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/quoting.rb1
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb27
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/transaction.rb76
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_adapter.rb19
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb18
-rw-r--r--activerecord/lib/active_record/connection_adapters/connection_specification.rb74
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb40
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb6
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb6
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb4
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb14
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb10
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb10
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3/quoting.rb1
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb6
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb29
-rw-r--r--activerecord/lib/active_record/connection_handling.rb41
-rw-r--r--activerecord/lib/active_record/core.rb24
-rw-r--r--activerecord/lib/active_record/counter_cache.rb25
-rw-r--r--activerecord/lib/active_record/database_configurations.rb202
-rw-r--r--activerecord/lib/active_record/database_configurations/database_config.rb33
-rw-r--r--activerecord/lib/active_record/database_configurations/hash_config.rb43
-rw-r--r--activerecord/lib/active_record/database_configurations/url_config.rb67
-rw-r--r--activerecord/lib/active_record/errors.rb3
-rw-r--r--activerecord/lib/active_record/fixtures.rb4
-rw-r--r--activerecord/lib/active_record/locking/optimistic.rb4
-rw-r--r--activerecord/lib/active_record/log_subscriber.rb33
-rw-r--r--activerecord/lib/active_record/migration.rb10
-rw-r--r--activerecord/lib/active_record/migration/command_recorder.rb19
-rw-r--r--activerecord/lib/active_record/nested_attributes.rb2
-rw-r--r--activerecord/lib/active_record/persistence.rb13
-rw-r--r--activerecord/lib/active_record/railtie.rb8
-rw-r--r--activerecord/lib/active_record/railties/databases.rake44
-rw-r--r--activerecord/lib/active_record/reflection.rb20
-rw-r--r--activerecord/lib/active_record/relation.rb38
-rw-r--r--activerecord/lib/active_record/relation/batches.rb13
-rw-r--r--activerecord/lib/active_record/relation/calculations.rb4
-rw-r--r--activerecord/lib/active_record/relation/merger.rb4
-rw-r--r--activerecord/lib/active_record/relation/predicate_builder/array_handler.rb6
-rw-r--r--activerecord/lib/active_record/relation/query_methods.rb4
-rw-r--r--activerecord/lib/active_record/relation/spawn_methods.rb1
-rw-r--r--activerecord/lib/active_record/result.rb4
-rw-r--r--activerecord/lib/active_record/sanitization.rb4
-rw-r--r--activerecord/lib/active_record/tasks/database_tasks.rb37
-rw-r--r--activerecord/lib/active_record/tasks/mysql_database_tasks.rb4
-rw-r--r--activerecord/lib/active_record/tasks/postgresql_database_tasks.rb4
-rw-r--r--activerecord/lib/active_record/tasks/sqlite_database_tasks.rb8
-rw-r--r--activerecord/lib/active_record/test_databases.rb28
-rw-r--r--activerecord/lib/rails/generators/active_record/migration.rb4
-rw-r--r--activerecord/lib/rails/generators/active_record/migration/migration_generator.rb1
64 files changed, 820 insertions, 419 deletions
diff --git a/activerecord/lib/active_record.rb b/activerecord/lib/active_record.rb
index d198466dbf..d43378c64f 100644
--- a/activerecord/lib/active_record.rb
+++ b/activerecord/lib/active_record.rb
@@ -40,7 +40,6 @@ module ActiveRecord
autoload :Core
autoload :ConnectionHandling
autoload :CounterCache
- autoload :DatabaseConfigurations
autoload :DynamicMatchers
autoload :Enum
autoload :InternalMetadata
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 3b581d6fe8..1ee52945ea 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -1232,9 +1232,9 @@ module ActiveRecord
# * <tt>Firm#clients.size</tt> (similar to <tt>Client.count "firm_id = #{id}"</tt>)
# * <tt>Firm#clients.find</tt> (similar to <tt>Client.where(firm_id: id).find(id)</tt>)
# * <tt>Firm#clients.exists?(name: 'ACME')</tt> (similar to <tt>Client.exists?(name: 'ACME', firm_id: firm.id)</tt>)
- # * <tt>Firm#clients.build</tt> (similar to <tt>Client.new("firm_id" => id)</tt>)
- # * <tt>Firm#clients.create</tt> (similar to <tt>c = Client.new("firm_id" => id); c.save; c</tt>)
- # * <tt>Firm#clients.create!</tt> (similar to <tt>c = Client.new("firm_id" => id); c.save!</tt>)
+ # * <tt>Firm#clients.build</tt> (similar to <tt>Client.new(firm_id: id)</tt>)
+ # * <tt>Firm#clients.create</tt> (similar to <tt>c = Client.new(firm_id: id); c.save; c</tt>)
+ # * <tt>Firm#clients.create!</tt> (similar to <tt>c = Client.new(firm_id: id); c.save!</tt>)
# * <tt>Firm#clients.reload</tt>
# The declaration can also include an +options+ hash to specialize the behavior of the association.
#
@@ -1405,9 +1405,9 @@ module ActiveRecord
# An Account class declares <tt>has_one :beneficiary</tt>, which will add:
# * <tt>Account#beneficiary</tt> (similar to <tt>Beneficiary.where(account_id: id).first</tt>)
# * <tt>Account#beneficiary=(beneficiary)</tt> (similar to <tt>beneficiary.account_id = account.id; beneficiary.save</tt>)
- # * <tt>Account#build_beneficiary</tt> (similar to <tt>Beneficiary.new("account_id" => id)</tt>)
- # * <tt>Account#create_beneficiary</tt> (similar to <tt>b = Beneficiary.new("account_id" => id); b.save; b</tt>)
- # * <tt>Account#create_beneficiary!</tt> (similar to <tt>b = Beneficiary.new("account_id" => id); b.save!; b</tt>)
+ # * <tt>Account#build_beneficiary</tt> (similar to <tt>Beneficiary.new(account_id: id)</tt>)
+ # * <tt>Account#create_beneficiary</tt> (similar to <tt>b = Beneficiary.new(account_id: id); b.save; b</tt>)
+ # * <tt>Account#create_beneficiary!</tt> (similar to <tt>b = Beneficiary.new(account_id: id); b.save!; b</tt>)
# * <tt>Account#reload_beneficiary</tt>
#
# === Scopes
@@ -1746,8 +1746,8 @@ module ActiveRecord
# * <tt>Developer#projects.size</tt>
# * <tt>Developer#projects.find(id)</tt>
# * <tt>Developer#projects.exists?(...)</tt>
- # * <tt>Developer#projects.build</tt> (similar to <tt>Project.new("developer_id" => id)</tt>)
- # * <tt>Developer#projects.create</tt> (similar to <tt>c = Project.new("developer_id" => id); c.save; c</tt>)
+ # * <tt>Developer#projects.build</tt> (similar to <tt>Project.new(developer_id: id)</tt>)
+ # * <tt>Developer#projects.create</tt> (similar to <tt>c = Project.new(developer_id: id); c.save; c</tt>)
# * <tt>Developer#projects.reload</tt>
# The declaration may include an +options+ hash to specialize the behavior of the association.
#
diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb
index 08f450278d..3d4ad1dd5b 100644
--- a/activerecord/lib/active_record/associations/belongs_to_association.rb
+++ b/activerecord/lib/active_record/associations/belongs_to_association.rb
@@ -67,7 +67,7 @@ module ActiveRecord
if target && !stale_target?
target.increment!(reflection.counter_cache_column, by, touch: reflection.options[:touch])
else
- klass.update_counters(target_id, reflection.counter_cache_column => by, touch: reflection.options[:touch])
+ counter_cache_target.update_counters(reflection.counter_cache_column => by, touch: reflection.options[:touch])
end
end
end
@@ -112,12 +112,9 @@ module ActiveRecord
inverse && inverse.has_one?
end
- def target_id
- if options[:primary_key]
- owner.send(reflection.name).try(:id)
- else
- owner._read_attribute(reflection.foreign_key)
- end
+ def counter_cache_target
+ primary_key = reflection.association_primary_key(klass)
+ klass.unscoped.where!(primary_key => owner._read_attribute(reflection.foreign_key))
end
def stale_state
diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb
index 4b6cb76081..0166ed98ca 100644
--- a/activerecord/lib/active_record/associations/builder/belongs_to.rb
+++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb
@@ -34,7 +34,7 @@ module ActiveRecord::Associations::Builder # :nodoc:
foreign_key = reflection.foreign_key
cache_column = reflection.counter_cache_column
- if (@_after_replace_counter_called ||= false)
+ if @_after_replace_counter_called ||= false
@_after_replace_counter_called = false
elsif association(reflection.name).target_changed?
if reflection.polymorphic?
@@ -48,14 +48,12 @@ module ActiveRecord::Associations::Builder # :nodoc:
foreign_key_was = attribute_before_last_save foreign_key
foreign_key = attribute_in_database foreign_key
- if foreign_key && model.respond_to?(:increment_counter)
- foreign_key = counter_cache_target(reflection, model, foreign_key)
- model.increment_counter(cache_column, foreign_key)
+ if foreign_key && model < ActiveRecord::Base
+ counter_cache_target(reflection, model, foreign_key).update_counters(cache_column => 1)
end
- if foreign_key_was && model_was.respond_to?(:decrement_counter)
- foreign_key_was = counter_cache_target(reflection, model_was, foreign_key_was)
- model_was.decrement_counter(cache_column, foreign_key_was)
+ if foreign_key_was && model_was < ActiveRecord::Base
+ counter_cache_target(reflection, model_was, foreign_key_was).update_counters(cache_column => -1)
end
end
end
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb
index d316db2145..b76005b587 100644
--- a/activerecord/lib/active_record/associations/join_dependency.rb
+++ b/activerecord/lib/active_record/associations/join_dependency.rb
@@ -14,10 +14,8 @@ module ActiveRecord
i[column.name] = column.alias
}
}
- @name_and_alias_cache = tables.each_with_object({}) { |table, h|
- h[table.node] = table.columns.map { |column|
- [column.name, column.alias]
- }
+ @columns_cache = tables.each_with_object({}) { |table, h|
+ h[table.node] = table.columns
}
end
@@ -25,9 +23,8 @@ module ActiveRecord
@tables.flat_map(&:column_aliases)
end
- # An array of [column_name, alias] pairs for the table
def column_aliases(node)
- @name_and_alias_cache[node]
+ @columns_cache[node]
end
def column_alias(node, column)
diff --git a/activerecord/lib/active_record/associations/join_dependency/join_part.rb b/activerecord/lib/active_record/associations/join_dependency/join_part.rb
index 3cabb21983..3ad72a3646 100644
--- a/activerecord/lib/active_record/associations/join_dependency/join_part.rb
+++ b/activerecord/lib/active_record/associations/join_dependency/join_part.rb
@@ -54,8 +54,8 @@ module ActiveRecord
length = column_names_with_alias.length
while index < length
- column_name, alias_name = column_names_with_alias[index]
- hash[column_name] = row[alias_name]
+ column = column_names_with_alias[index]
+ hash[column.name] = row[column.alias]
index += 1
end
diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb
index e4b8b1a330..701f19a6ae 100644
--- a/activerecord/lib/active_record/attribute_methods.rb
+++ b/activerecord/lib/active_record/attribute_methods.rb
@@ -31,7 +31,7 @@ module ActiveRecord
end
}
- BLACKLISTED_CLASS_METHODS = %w(private public protected allocate new name parent superclass)
+ RESTRICTED_CLASS_METHODS = %w(private public protected allocate new name parent superclass)
class GeneratedAttributeMethods < Module #:nodoc:
include Mutex_m
@@ -123,7 +123,7 @@ module ActiveRecord
# A class method is 'dangerous' if it is already (re)defined by Active Record, but
# not by any ancestors. (So 'puts' is not dangerous but 'new' is.)
def dangerous_class_method?(method_name)
- BLACKLISTED_CLASS_METHODS.include?(method_name.to_s) || class_method_defined_within?(method_name, Base)
+ RESTRICTED_CLASS_METHODS.include?(method_name.to_s) || class_method_defined_within?(method_name, Base)
end
def class_method_defined_within?(name, klass, superklass = klass.superclass) # :nodoc:
@@ -167,12 +167,14 @@ module ActiveRecord
end
end
- # Regexp whitelist. Matches the following:
+ # Regexp for column names (with or without a table name prefix). Matches
+ # the following:
# "#{table_name}.#{column_name}"
# "#{column_name}"
- COLUMN_NAME_WHITELIST = /\A(?:\w+\.)?\w+\z/i
+ COLUMN_NAME = /\A(?:\w+\.)?\w+\z/i
- # Regexp whitelist. Matches the following:
+ # Regexp for column names with order (with or without a table name
+ # prefix, with or without various order modifiers). Matches the following:
# "#{table_name}.#{column_name}"
# "#{table_name}.#{column_name} #{direction}"
# "#{table_name}.#{column_name} #{direction} NULLS FIRST"
@@ -181,7 +183,7 @@ module ActiveRecord
# "#{column_name} #{direction}"
# "#{column_name} #{direction} NULLS FIRST"
# "#{column_name} NULLS LAST"
- COLUMN_NAME_ORDER_WHITELIST = /
+ COLUMN_NAME_WITH_ORDER = /
\A
(?:\w+\.)?
\w+
@@ -190,12 +192,12 @@ module ActiveRecord
\z
/ix
- def enforce_raw_sql_whitelist(args, whitelist: COLUMN_NAME_WHITELIST) # :nodoc:
+ def disallow_raw_sql!(args, permit: COLUMN_NAME) # :nodoc:
unexpected = args.reject do |arg|
arg.kind_of?(Arel::Node) ||
arg.is_a?(Arel::Nodes::SqlLiteral) ||
arg.is_a?(Arel::Attributes::Attribute) ||
- arg.to_s.split(/\s*,\s*/).all? { |part| whitelist.match?(part) }
+ arg.to_s.split(/\s*,\s*/).all? { |part| permit.match?(part) }
end
return if unexpected.none?
@@ -449,14 +451,6 @@ module ActiveRecord
defined?(@attributes) && @attributes.key?(attr_name)
end
- def attributes_with_values_for_create(attribute_names)
- attributes_with_values(attributes_for_create(attribute_names))
- end
-
- def attributes_with_values_for_update(attribute_names)
- attributes_with_values(attributes_for_update(attribute_names))
- end
-
def attributes_with_values(attribute_names)
attribute_names.each_with_object({}) do |name, attrs|
attrs[name] = _read_attribute(name)
@@ -465,7 +459,8 @@ module ActiveRecord
# Filters the primary keys and readonly attributes from the attribute names.
def attributes_for_update(attribute_names)
- attribute_names.reject do |name|
+ attribute_names &= self.class.column_names
+ attribute_names.delete_if do |name|
readonly_attribute?(name)
end
end
@@ -473,7 +468,8 @@ module ActiveRecord
# Filters out the primary keys, from the attribute names, when the primary
# key is to be generated (e.g. the id attribute has no value).
def attributes_for_create(attribute_names)
- attribute_names.reject do |name|
+ attribute_names &= self.class.column_names
+ attribute_names.delete_if do |name|
pk_attribute?(name) && id.nil?
end
end
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb
index 233ee29fac..ebc2252c50 100644
--- a/activerecord/lib/active_record/attribute_methods/dirty.rb
+++ b/activerecord/lib/active_record/attribute_methods/dirty.rb
@@ -16,9 +16,6 @@ module ActiveRecord
class_attribute :partial_writes, instance_writer: false, default: true
- after_create { changes_applied }
- after_update { changes_applied }
-
# Attribute methods for "changed in last call to save?"
attribute_method_affix(prefix: "saved_change_to_", suffix: "?")
attribute_method_prefix("saved_change_to_")
@@ -167,16 +164,20 @@ module ActiveRecord
result
end
- def _update_record(*)
- partial_writes? ? super(keys_for_partial_write) : super
+ def _update_record(attribute_names = attribute_names_for_partial_writes)
+ affected_rows = super
+ changes_applied
+ affected_rows
end
- def _create_record(*)
- partial_writes? ? super(keys_for_partial_write) : super
+ def _create_record(attribute_names = attribute_names_for_partial_writes)
+ id = super
+ changes_applied
+ id
end
- def keys_for_partial_write
- changed_attribute_names_to_save & self.class.column_names
+ def attribute_names_for_partial_writes
+ partial_writes? ? changed_attribute_names_to_save : attribute_names
end
end
end
diff --git a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
index d2b7817b45..294a3dc32c 100644
--- a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
+++ b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
@@ -73,7 +73,7 @@ module ActiveRecord
# `skip_time_zone_conversion_for_attributes` would not be picked up.
subclass.class_eval do
matcher = ->(name, type) { create_time_zone_conversion_attribute?(name, type) }
- decorate_matching_attribute_types(matcher, :_time_zone_conversion) do |type|
+ decorate_matching_attribute_types(matcher, "_time_zone_conversion") do |type|
TimeZoneConverter.new(type)
end
end
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index a405f05e0b..783a8366ce 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -392,7 +392,7 @@ module ActiveRecord
records -= records_to_destroy
end
- records.each_with_index do |record, index|
+ records.each do |record|
next if record.destroyed?
saved = true
@@ -401,11 +401,11 @@ module ActiveRecord
if autosave
saved = association.insert_record(record, false)
elsif !reflection.nested?
+ association_saved = association.insert_record(record)
+
if reflection.validate?
- valid = association_valid?(reflection, record, index)
- saved = valid ? association.insert_record(record, false) : false
- else
- association.insert_record(record)
+ errors.add(reflection.name) unless association_saved
+ saved = association_saved
end
end
elsif autosave
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 5169f312f5..db097cb930 100644
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -22,6 +22,7 @@ require "active_record/explain_subscriber"
require "active_record/relation/delegation"
require "active_record/attributes"
require "active_record/type_caster"
+require "active_record/database_configurations"
module ActiveRecord #:nodoc:
# = Active Record
@@ -291,7 +292,6 @@ module ActiveRecord #:nodoc:
extend Aggregations::ClassMethods
include Core
- include DatabaseConfigurations
include Persistence
include ReadonlyAttributes
include ModelSchema
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 c730584902..e977d36cb9 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
@@ -188,7 +188,9 @@ module ActiveRecord
t0 = Time.now
elapsed = 0
loop do
- @cond.wait(timeout - elapsed)
+ ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
+ @cond.wait(timeout - elapsed)
+ end
return remove if any?
@@ -1011,8 +1013,8 @@ module ActiveRecord
# Returns true if a connection that's accessible to this class has
# already been opened.
def connected?(spec_name)
- conn = retrieve_connection_pool(spec_name)
- conn && conn.connected?
+ pool = retrieve_connection_pool(spec_name)
+ pool && pool.connected?
end
# Remove the connection for this class. This will close the active
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 7a9e7add24..ad148efcfe 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb
@@ -1,5 +1,7 @@
# frozen_string_literal: true
+require "active_support/deprecation"
+
module ActiveRecord
module ConnectionAdapters # :nodoc:
module DatabaseLimits
@@ -12,11 +14,13 @@ module ActiveRecord
def column_name_length
64
end
+ deprecate :column_name_length
# Returns the maximum length of a table name.
def table_name_length
64
end
+ deprecate :table_name_length
# Returns the maximum allowed length for an index name. This
# limit is enforced by \Rails and is less than or equal to
@@ -36,16 +40,19 @@ module ActiveRecord
def columns_per_table
1024
end
+ deprecate :columns_per_table
# Returns the maximum number of indexes per table.
def indexes_per_table
16
end
+ deprecate :indexes_per_table
# Returns the maximum number of columns in a multicolumn index.
def columns_per_multicolumn_index
16
end
+ deprecate :columns_per_multicolumn_index
# Returns the maximum number of elements in an IN (x,y,z) clause.
# +nil+ means no limit.
@@ -57,11 +64,13 @@ module ActiveRecord
def sql_query_length
1048575
end
+ deprecate :sql_query_length
# Returns maximum number of joins in a single query.
def joins_per_query
256
end
+ deprecate :joins_per_query
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 41553cfa83..1d36c3c8b1 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -259,7 +259,9 @@ module ActiveRecord
attr_reader :transaction_manager #:nodoc:
- delegate :within_new_transaction, :open_transactions, :current_transaction, :begin_transaction, :commit_transaction, :rollback_transaction, to: :transaction_manager
+ delegate :within_new_transaction, :open_transactions, :current_transaction, :begin_transaction,
+ :commit_transaction, :rollback_transaction, :materialize_transactions,
+ :disable_lazy_transactions!, :enable_lazy_transactions!, to: :transaction_manager
def transaction_open?
current_transaction.open?
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index aec5fa6ba1..98b1348135 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -130,6 +130,7 @@ module ActiveRecord
end
def quoted_time(value) # :nodoc:
+ value = value.change(year: 2000, month: 1, day: 1)
quoted_date(value).sub(/\A\d\d\d\d-\d\d-\d\d /, "")
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 9d9a8626de..4a6e915b66 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -522,6 +522,9 @@ module ActiveRecord
# Specifies the precision for the <tt>:decimal</tt> and <tt>:numeric</tt> columns.
# * <tt>:scale</tt> -
# Specifies the scale for the <tt>:decimal</tt> and <tt>:numeric</tt> columns.
+ # * <tt>:collation</tt> -
+ # Specifies the collation for a <tt>:string</tt> or <tt>:text</tt> column. If not specified, the
+ # column will have the same collation as the table.
# * <tt>:comment</tt> -
# Specifies the comment for the column. This option is ignored by some backends.
#
@@ -742,22 +745,13 @@ module ActiveRecord
# ====== 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
+ # # 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
+ # # 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
+ # # 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
#
@@ -990,11 +984,18 @@ module ActiveRecord
#
# remove_foreign_key :accounts, column: :owner_id
#
+ # Removes the foreign key on +accounts.owner_id+.
+ #
+ # remove_foreign_key :accounts, to_table: :owners
+ #
# Removes the foreign key named +special_fk_name+ on the +accounts+ table.
#
# remove_foreign_key :accounts, name: :special_fk_name
#
- # The +options+ hash accepts the same keys as SchemaStatements#add_foreign_key.
+ # The +options+ hash accepts the same keys as SchemaStatements#add_foreign_key
+ # with an addition of
+ # [<tt>:to_table</tt>]
+ # The name of the table that contains the referenced primary key.
def remove_foreign_key(from_table, options_or_to_table = {})
return unless supports_foreign_keys?
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
index b59df2fff7..564b226b39 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
@@ -91,12 +91,14 @@ module ActiveRecord
end
class Transaction #:nodoc:
- attr_reader :connection, :state, :records, :savepoint_name
+ attr_reader :connection, :state, :records, :savepoint_name, :isolation_level
def initialize(connection, options, run_commit_callbacks: false)
@connection = connection
@state = TransactionState.new
@records = []
+ @isolation_level = options[:isolation]
+ @materialized = false
@joinable = options.fetch(:joinable, true)
@run_commit_callbacks = run_commit_callbacks
end
@@ -105,6 +107,14 @@ module ActiveRecord
records << record
end
+ def materialize!
+ @materialized = true
+ end
+
+ def materialized?
+ @materialized
+ end
+
def rollback_records
ite = records.uniq
while record = ite.shift
@@ -141,24 +151,30 @@ module ActiveRecord
end
class SavepointTransaction < Transaction
- def initialize(connection, savepoint_name, parent_transaction, options, *args)
- super(connection, options, *args)
+ def initialize(connection, savepoint_name, parent_transaction, *args)
+ super(connection, *args)
parent_transaction.state.add_child(@state)
- if options[:isolation]
+ if isolation_level
raise ActiveRecord::TransactionIsolationError, "cannot set transaction isolation in a nested transaction"
end
- connection.create_savepoint(@savepoint_name = savepoint_name)
+
+ @savepoint_name = savepoint_name
+ end
+
+ def materialize!
+ connection.create_savepoint(savepoint_name)
+ super
end
def rollback
- connection.rollback_to_savepoint(savepoint_name)
+ connection.rollback_to_savepoint(savepoint_name) if materialized?
@state.rollback!
end
def commit
- connection.release_savepoint(savepoint_name)
+ connection.release_savepoint(savepoint_name) if materialized?
@state.commit!
end
@@ -166,22 +182,23 @@ module ActiveRecord
end
class RealTransaction < Transaction
- def initialize(connection, options, *args)
- super
- if options[:isolation]
- connection.begin_isolated_db_transaction(options[:isolation])
+ def materialize!
+ if isolation_level
+ connection.begin_isolated_db_transaction(isolation_level)
else
connection.begin_db_transaction
end
+
+ super
end
def rollback
- connection.rollback_db_transaction
+ connection.rollback_db_transaction if materialized?
@state.full_rollback!
end
def commit
- connection.commit_db_transaction
+ connection.commit_db_transaction if materialized?
@state.full_commit!
end
end
@@ -190,6 +207,9 @@ module ActiveRecord
def initialize(connection)
@stack = []
@connection = connection
+ @has_unmaterialized_transactions = false
+ @materializing_transactions = false
+ @lazy_transactions_enabled = true
end
def begin_transaction(options = {})
@@ -203,11 +223,41 @@ module ActiveRecord
run_commit_callbacks: run_commit_callbacks)
end
+ transaction.materialize! unless @connection.supports_lazy_transactions? && lazy_transactions_enabled?
@stack.push(transaction)
+ @has_unmaterialized_transactions = true if @connection.supports_lazy_transactions?
transaction
end
end
+ def disable_lazy_transactions!
+ materialize_transactions
+ @lazy_transactions_enabled = false
+ end
+
+ def enable_lazy_transactions!
+ @lazy_transactions_enabled = true
+ end
+
+ def lazy_transactions_enabled?
+ @lazy_transactions_enabled
+ end
+
+ def materialize_transactions
+ return if @materializing_transactions
+ return unless @has_unmaterialized_transactions
+
+ @connection.lock.synchronize do
+ begin
+ @materializing_transactions = true
+ @stack.each { |t| t.materialize! unless t.materialized? }
+ ensure
+ @materializing_transactions = false
+ end
+ @has_unmaterialized_transactions = false
+ end
+ end
+
def commit_transaction
@connection.lock.synchronize do
transaction = @stack.last
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 8bdf1712b1..a62651daff 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -80,8 +80,12 @@ module ActiveRecord
attr_reader :schema_cache, :owner, :logger, :prepared_statements, :lock
alias :in_use? :owner
+ set_callback :checkin, :after, :enable_lazy_transactions!
+
def self.type_cast_config_to_integer(config)
- if config =~ SIMPLE_INT
+ if config.is_a?(Integer)
+ config
+ elsif SIMPLE_INT.match?(config)
config.to_i
else
config
@@ -117,6 +121,14 @@ module ActiveRecord
else
@prepared_statements = false
end
+
+ @advisory_locks_enabled = self.class.type_cast_config_to_boolean(
+ config.fetch(:advisory_locks, true)
+ )
+ end
+
+ def replica?
+ @config[:replica] || false
end
def migrations_paths # :nodoc:
@@ -336,6 +348,10 @@ module ActiveRecord
false
end
+ def supports_lazy_transactions?
+ false
+ end
+
# This is meant to be implemented by the adapters that support extensions
def disable_extension(name)
end
@@ -447,6 +463,7 @@ module ActiveRecord
# This is useful for when you need to call a proprietary method such as
# PostgreSQL's lo_* methods.
def raw_connection
+ disable_lazy_transactions!
@connection
end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 07acb5425e..ad045f85ef 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -111,7 +111,7 @@ module ActiveRecord
end
def supports_advisory_locks?
- true
+ @advisory_locks_enabled
end
def get_advisory_lock(lock_name, timeout = 0) # :nodoc:
@@ -180,6 +180,8 @@ module ActiveRecord
# Executes the SQL statement in the context of this connection.
def execute(sql, name = nil)
+ materialize_transactions
+
log(sql, name) do
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
@connection.query(sql)
@@ -558,17 +560,6 @@ module ActiveRecord
@max_allowed_packet ||= (show_variable("max_allowed_packet") - bytes_margin)
end
- def with_multi_statements
- previous_flags = @config[:flags]
- @config[:flags] = Mysql2::Client::MULTI_STATEMENTS
- reconnect!
-
- yield
- ensure
- @config[:flags] = previous_flags
- reconnect!
- end
-
def initialize_type_map(m = type_map)
super
@@ -630,6 +621,7 @@ module ActiveRecord
ER_DUP_ENTRY = 1062
ER_NOT_NULL_VIOLATION = 1048
ER_DO_NOT_HAVE_DEFAULT = 1364
+ ER_ROW_IS_REFERENCED_2 = 1451
ER_NO_REFERENCED_ROW_2 = 1452
ER_DATA_TOO_LONG = 1406
ER_OUT_OF_RANGE = 1264
@@ -644,7 +636,7 @@ module ActiveRecord
case error_number(exception)
when ER_DUP_ENTRY
RecordNotUnique.new(message)
- when ER_NO_REFERENCED_ROW_2
+ when ER_ROW_IS_REFERENCED_2, ER_NO_REFERENCED_ROW_2
InvalidForeignKey.new(message)
when ER_CANNOT_ADD_FOREIGN
mismatched_foreign_key(message)
diff --git a/activerecord/lib/active_record/connection_adapters/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/connection_specification.rb
index 901717ae3d..2e7a78215a 100644
--- a/activerecord/lib/active_record/connection_adapters/connection_specification.rb
+++ b/activerecord/lib/active_record/connection_adapters/connection_specification.rb
@@ -57,9 +57,7 @@ module ActiveRecord
private
- def uri
- @uri
- end
+ attr_reader :uri
def uri_parser
@uri_parser ||= URI::Parser.new
@@ -116,8 +114,7 @@ module ActiveRecord
class Resolver # :nodoc:
attr_reader :configurations
- # Accepts a hash two layers deep, keys on the first layer represent
- # environments such as "production". Keys must be strings.
+ # Accepts a list of db config objects.
def initialize(configurations)
@configurations = configurations
end
@@ -138,33 +135,14 @@ module ActiveRecord
# Resolver.new(configurations).resolve(:production)
# # => { "host" => "localhost", "database" => "foo", "adapter" => "postgresql" }
#
- def resolve(config)
- if config
- resolve_connection config
- elsif env = ActiveRecord::ConnectionHandling::RAILS_ENV.call
- resolve_symbol_connection env.to_sym
+ def resolve(config_or_env, pool_name = nil)
+ if config_or_env
+ resolve_connection config_or_env, pool_name
else
raise AdapterNotSpecified
end
end
- # Expands each key in @configurations hash into fully resolved hash
- def resolve_all
- config = configurations.dup
-
- if env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
- env_config = config[env] if config[env].is_a?(Hash) && !(config[env].key?("adapter") || config[env].key?("url"))
- end
-
- config.merge! env_config if env_config
-
- config.each do |key, value|
- config[key] = resolve(value) if value
- end
-
- config
- end
-
# Returns an instance of ConnectionSpecification for a given adapter.
# Accepts a hash one layer deep that contains all connection information.
#
@@ -178,7 +156,9 @@ module ActiveRecord
# # => { "host" => "localhost", "database" => "foo", "adapter" => "sqlite3" }
#
def spec(config)
- spec = resolve(config).symbolize_keys
+ pool_name = config if config.is_a?(Symbol)
+
+ spec = resolve(config, pool_name).symbolize_keys
raise(AdapterNotSpecified, "database configuration does not specify adapter") unless spec.key?(:adapter)
@@ -213,7 +193,6 @@ module ActiveRecord
end
private
-
# Returns fully resolved connection, accepts hash, string or symbol.
# Always returns a hash.
#
@@ -234,29 +213,42 @@ module ActiveRecord
# Resolver.new({}).resolve_connection("postgresql://localhost/foo")
# # => { "host" => "localhost", "database" => "foo", "adapter" => "postgresql" }
#
- def resolve_connection(spec)
- case spec
+ def resolve_connection(config_or_env, pool_name = nil)
+ case config_or_env
when Symbol
- resolve_symbol_connection spec
+ resolve_symbol_connection config_or_env, pool_name
when String
- resolve_url_connection spec
+ resolve_url_connection config_or_env
when Hash
- resolve_hash_connection spec
+ resolve_hash_connection config_or_env
+ else
+ resolve_connection config_or_env
end
end
- # Takes the environment such as +:production+ or +:development+.
+ # Takes the environment such as +:production+ or +:development+ and a
+ # pool name the corresponds to the name given by the connection pool
+ # to the connection. That pool name is merged into the hash with the
+ # name key.
+ #
# This requires that the @configurations was initialized with a key that
# matches.
#
- # Resolver.new("production" => {}).resolve_symbol_connection(:production)
- # # => {}
+ # configurations = #<ActiveRecord::DatabaseConfigurations:0x00007fd9fdace3e0
+ # @configurations=[
+ # #<ActiveRecord::DatabaseConfigurations::HashConfig:0x00007fd9fdace250
+ # @env_name="production", @spec_name="primary", @config={"database"=>"my_db"}>
+ # ]>
#
- def resolve_symbol_connection(spec)
- if config = configurations[spec.to_s]
- resolve_connection(config).merge("name" => spec.to_s)
+ # Resolver.new(configurations).resolve_symbol_connection(:production, "primary")
+ # # => { "database" => "my_db" }
+ def resolve_symbol_connection(env_name, pool_name)
+ db_config = configurations.find_db_config(env_name)
+
+ if db_config
+ resolve_connection(db_config.config).merge("name" => pool_name.to_s)
else
- raise(AdapterNotSpecified, "'#{spec}' database is not configured. Available: #{configurations.keys.inspect}")
+ raise(AdapterNotSpecified, "'#{env_name}' database is not configured. Available: #{configurations.configurations.map(&:env_name).join(", ")}")
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb b/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb
index 4106ce01be..684c7042a7 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb
@@ -29,6 +29,8 @@ module ActiveRecord
end
def exec_query(sql, name = "SQL", binds = [], prepare: false)
+ materialize_transactions
+
if without_prepared_statement?(binds)
execute_and_free(sql, name) do |result|
ActiveRecord::Result.new(result.fields, result.to_a) if result
@@ -41,6 +43,8 @@ module ActiveRecord
end
def exec_delete(sql, name = nil, binds = [])
+ materialize_transactions
+
if without_prepared_statement?(binds)
execute_and_free(sql, name) { @connection.affected_rows }
else
@@ -62,6 +66,42 @@ module ActiveRecord
@connection.abandon_results!
end
+ def supports_set_server_option?
+ @connection.respond_to?(:set_server_option)
+ end
+
+ def multi_statements_enabled?(flags)
+ if flags.is_a?(Array)
+ flags.include?("MULTI_STATEMENTS")
+ else
+ (flags & Mysql2::Client::MULTI_STATEMENTS) != 0
+ end
+ end
+
+ def with_multi_statements
+ previous_flags = @config[:flags]
+
+ unless multi_statements_enabled?(previous_flags)
+ if supports_set_server_option?
+ @connection.set_server_option(Mysql2::Client::OPTION_MULTI_STATEMENTS_ON)
+ else
+ @config[:flags] = Mysql2::Client::MULTI_STATEMENTS
+ reconnect!
+ end
+ end
+
+ yield
+ ensure
+ unless multi_statements_enabled?(previous_flags)
+ if supports_set_server_option?
+ @connection.set_server_option(Mysql2::Client::OPTION_MULTI_STATEMENTS_OFF)
+ else
+ @config[:flags] = previous_flags
+ reconnect!
+ end
+ end
+ end
+
def exec_stmt_and_free(sql, name, binds, cache_stmt: false)
# make sure we carry over any changes to ActiveRecord::Base.default_timezone that have been
# made since we established the connection
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 ce50590651..1cf210d85b 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb
@@ -36,7 +36,7 @@ module ActiveRecord
end
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][:lengths][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
@@ -80,8 +80,8 @@ module ActiveRecord
def new_column_from_field(table_name, field)
type_metadata = fetch_type_metadata(field[:Type], field[:Extra])
- if type_metadata.type == :datetime && /\ACURRENT_TIMESTAMP(?:\(\))?\z/i.match?(field[:Default])
- default, default_function = nil, "CURRENT_TIMESTAMP"
+ if type_metadata.type == :datetime && /\ACURRENT_TIMESTAMP(?:\([0-6]?\))?\z/i.match?(field[:Default])
+ default, default_function = nil, field[:Default]
else
default, default_function = field[:Default], nil
end
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
index 4c57bd48ab..92f15de219 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
@@ -58,6 +58,10 @@ module ActiveRecord
true
end
+ def supports_lazy_transactions?
+ true
+ end
+
# HELPER METHODS ===========================================
def each_hash(result) # :nodoc:
@@ -117,7 +121,7 @@ module ActiveRecord
end
def configure_connection
- @connection.query_options.merge!(as: :array)
+ @connection.query_options[:as] = :array
super
end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb
index 8db2a645af..6bd6b67165 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb
@@ -58,6 +58,8 @@ module ActiveRecord
# Queries the database and returns the results in an Array-like object
def query(sql, name = nil) #:nodoc:
+ materialize_transactions
+
log(sql, name) do
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
result_as_array @connection.async_exec(sql)
@@ -70,6 +72,8 @@ module ActiveRecord
# Note: the PG::Result object is manually memory managed; if you don't
# need it specifically, you may want consider the <tt>exec_query</tt> wrapper.
def execute(sql, name = nil)
+ materialize_transactions
+
log(sql, name) do
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
@connection.async_exec(sql)
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb
index 231278c184..79351bc3a4 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb
@@ -1,5 +1,7 @@
# frozen_string_literal: true
+require "active_support/core_ext/array/extract"
+
module ActiveRecord
module ConnectionAdapters
module PostgreSQL
@@ -16,12 +18,12 @@ module ActiveRecord
def run(records)
nodes = records.reject { |row| @store.key? row["oid"].to_i }
- mapped, nodes = nodes.partition { |row| @store.key? row["typname"] }
- ranges, nodes = nodes.partition { |row| row["typtype"] == "r".freeze }
- enums, nodes = nodes.partition { |row| row["typtype"] == "e".freeze }
- domains, nodes = nodes.partition { |row| row["typtype"] == "d".freeze }
- arrays, nodes = nodes.partition { |row| row["typinput"] == "array_in".freeze }
- composites, nodes = nodes.partition { |row| row["typelem"].to_i != 0 }
+ mapped = nodes.extract! { |row| @store.key? row["typname"] }
+ ranges = nodes.extract! { |row| row["typtype"] == "r".freeze }
+ enums = nodes.extract! { |row| row["typtype"] == "e".freeze }
+ domains = nodes.extract! { |row| row["typtype"] == "d".freeze }
+ arrays = nodes.extract! { |row| row["typinput"] == "array_in".freeze }
+ composites = nodes.extract! { |row| row["typelem"].to_i != 0 }
mapped.each { |row| register_mapped_type(row) }
enums.each { |row| register_enum_type(row) }
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 e20e5f2914..00da7690a2 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -700,6 +700,11 @@ module ActiveRecord
sql
end
+ def add_column_for_alter(table_name, column_name, type, options = {})
+ return super unless options.key?(:comment)
+ [super, Proc.new { change_column_comment(table_name, column_name, options[:comment]) }]
+ end
+
def change_column_for_alter(table_name, column_name, type, options = {})
sqls = [change_column_sql(table_name, column_name, type, options)]
sqls << change_column_default_for_alter(table_name, column_name, options[:default]) if options.key?(:default)
@@ -708,7 +713,6 @@ module ActiveRecord
sqls
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)
@@ -751,7 +755,7 @@ module ActiveRecord
def data_source_sql(name = nil, type: nil)
scope = quoted_scope(name, type: type)
- scope[:type] ||= "'r','v','m','f'" # (r)elation/table, (v)iew, (m)aterialized view, (f)oreign table
+ 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 << " WHERE n.nspname = #{scope[:schema]}"
@@ -765,7 +769,7 @@ module ActiveRecord
type = \
case type
when "BASE TABLE"
- "'r'"
+ "'r','p'"
when "VIEW"
"'v','m'"
when "FOREIGN TABLE"
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index fdf6f75108..30e651ee63 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -298,7 +298,7 @@ module ActiveRecord
end
def supports_advisory_locks?
- true
+ @advisory_locks_enabled
end
def supports_explain?
@@ -326,6 +326,10 @@ module ActiveRecord
postgresql_version >= 90400
end
+ def supports_lazy_transactions?
+ true
+ end
+
def get_advisory_lock(lock_id) # :nodoc:
unless lock_id.is_a?(Integer) && lock_id.bit_length <= 63
raise(ArgumentError, "PostgreSQL requires advisory lock ids to be a signed 64 bit integer")
@@ -597,6 +601,8 @@ module ActiveRecord
end
def exec_no_cache(sql, name, binds)
+ materialize_transactions
+
type_casted_binds = type_casted_binds(binds)
log(sql, name, binds, type_casted_binds) do
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
@@ -606,6 +612,8 @@ module ActiveRecord
end
def exec_cache(sql, name, binds)
+ materialize_transactions
+
stmt_key = prepare_statement(sql)
type_casted_binds = type_casted_binds(binds)
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3/quoting.rb b/activerecord/lib/active_record/connection_adapters/sqlite3/quoting.rb
index 70de96326c..abedf01f10 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3/quoting.rb
@@ -17,6 +17,7 @@ module ActiveRecord
end
def quoted_time(value)
+ value = value.change(year: 2000, month: 1, day: 1)
quoted_date(value).sub(/\A\d\d\d\d-\d\d-\d\d /, "2000-01-01 ")
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 58e5138e02..24e7bc65fa 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb
@@ -7,6 +7,10 @@ module ActiveRecord
# Returns an array of indexes for the given table.
def indexes(table_name)
exec_query("PRAGMA index_list(#{quote_table_name(table_name)})", "SCHEMA").map do |row|
+ # Indexes SQLite creates implicitly for internal use start with "sqlite_".
+ # See https://www.sqlite.org/fileformat2.html#intschema
+ next if row["name"].starts_with?("sqlite_")
+
index_sql = query_value(<<-SQL, "SCHEMA")
SELECT sql
FROM sqlite_master
@@ -40,7 +44,7 @@ module ActiveRecord
where: where,
orders: orders
)
- end
+ end.compact
end
def create_schema_dumper(options)
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index 844af952c1..efe454fa7f 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -186,6 +186,10 @@ module ActiveRecord
true
end
+ def supports_lazy_transactions?
+ true
+ end
+
# REFERENTIAL INTEGRITY ====================================
def disable_referential_integrity # :nodoc:
@@ -212,6 +216,8 @@ module ActiveRecord
end
def exec_query(sql, name = nil, binds = [], prepare: false)
+ materialize_transactions
+
type_casted_binds = type_casted_binds(binds)
log(sql, name, binds, type_casted_binds) do
@@ -252,6 +258,8 @@ module ActiveRecord
end
def execute(sql, name = nil) #:nodoc:
+ materialize_transactions
+
log(sql, name) do
ActiveSupport::Dependencies.interlock.permit_concurrent_loads do
@connection.execute(sql)
@@ -409,12 +417,23 @@ module ActiveRecord
def alter_table(table_name, options = {})
altered_table_name = "a#{table_name}"
- caller = lambda { |definition| yield definition if block_given? }
+ foreign_keys = foreign_keys(table_name)
+
+ caller = lambda do |definition|
+ rename = options[:rename] || {}
+ foreign_keys.each do |fk|
+ if column = rename[fk.options[:column]]
+ fk.options[:column] = column
+ end
+ definition.foreign_key(fk.to_table, fk.options)
+ end
+
+ yield definition if block_given?
+ end
transaction do
disable_referential_integrity do
- move_table(table_name, altered_table_name,
- options.merge(temporary: true))
+ move_table(table_name, altered_table_name, options.merge(temporary: true))
move_table(altered_table_name, table_name, &caller)
end
end
@@ -446,6 +465,7 @@ module ActiveRecord
primary_key: column_name == from_primary_key
)
end
+
yield @definition if block_given?
end
copy_table_indexes(from, to, options[:rename] || {})
@@ -457,9 +477,6 @@ 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}"
diff --git a/activerecord/lib/active_record/connection_handling.rb b/activerecord/lib/active_record/connection_handling.rb
index ee0e651912..18114f9e1c 100644
--- a/activerecord/lib/active_record/connection_handling.rb
+++ b/activerecord/lib/active_record/connection_handling.rb
@@ -46,45 +46,18 @@ module ActiveRecord
#
# The exceptions AdapterNotSpecified, AdapterNotFound and +ArgumentError+
# may be returned on an error.
- def establish_connection(config = nil)
+ def establish_connection(config_or_env = nil)
raise "Anonymous class is not allowed." unless name
- config ||= DEFAULT_ENV.call.to_sym
- spec_name = self == Base ? "primary" : name
- self.connection_specification_name = spec_name
+ config_or_env ||= DEFAULT_ENV.call.to_sym
+ pool_name = self == Base ? "primary" : name
+ self.connection_specification_name = pool_name
resolver = ConnectionAdapters::ConnectionSpecification::Resolver.new(Base.configurations)
- spec = resolver.resolve(config).symbolize_keys
- spec[:name] = spec_name
+ config_hash = resolver.resolve(config_or_env, pool_name).symbolize_keys
+ config_hash[:name] = pool_name
- # use the primary config if a config is not passed in and
- # it's a three tier config
- spec = spec[spec_name.to_sym] if spec[spec_name.to_sym]
-
- connection_handler.establish_connection(spec)
- end
-
- class MergeAndResolveDefaultUrlConfig # :nodoc:
- def initialize(raw_configurations)
- @raw_config = raw_configurations.dup
- @env = DEFAULT_ENV.call.to_s
- end
-
- # Returns fully resolved connection hashes.
- # Merges connection information from `ENV['DATABASE_URL']` if available.
- def resolve
- ConnectionAdapters::ConnectionSpecification::Resolver.new(config).resolve_all
- end
-
- private
- def config
- @raw_config.dup.tap do |cfg|
- if url = ENV["DATABASE_URL"]
- cfg[@env] ||= {}
- cfg[@env]["url"] ||= url
- end
- end
- end
+ connection_handler.establish_connection(config_hash)
end
# Returns the connection currently associated with the class. This can
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index df795df52e..9ec6ba14fd 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -26,7 +26,7 @@ module ActiveRecord
##
# Contains the database configuration - as is typically stored in config/database.yml -
- # as a Hash.
+ # as an ActiveRecord::DatabaseConfigurations object.
#
# For example, the following database.yml...
#
@@ -40,22 +40,18 @@ module ActiveRecord
#
# ...would result in ActiveRecord::Base.configurations to look like this:
#
- # {
- # 'development' => {
- # 'adapter' => 'sqlite3',
- # 'database' => 'db/development.sqlite3'
- # },
- # 'production' => {
- # 'adapter' => 'sqlite3',
- # 'database' => 'db/production.sqlite3'
- # }
- # }
+ # #<ActiveRecord::DatabaseConfigurations:0x00007fd1acbdf800 @configurations=[
+ # #<ActiveRecord::DatabaseConfigurations::HashConfig:0x00007fd1acbded10 @env_name="development",
+ # @spec_name="primary", @config={"adapter"=>"sqlite3", "database"=>"db/development.sqlite3"}>,
+ # #<ActiveRecord::DatabaseConfigurations::HashConfig:0x00007fd1acbdea90 @env_name="production",
+ # @spec_name="primary", @config={"adapter"=>"mysql2", "database"=>"db/production.sqlite3"}>
+ # ]>
def self.configurations=(config)
- @@configurations = ActiveRecord::ConnectionHandling::MergeAndResolveDefaultUrlConfig.new(config).resolve
+ @@configurations = ActiveRecord::DatabaseConfigurations.new(config)
end
self.configurations = {}
- # Returns fully resolved configurations hash
+ # Returns fully resolved ActiveRecord::DatabaseConfigurations object
def self.configurations
@@configurations
end
@@ -99,7 +95,7 @@ module ActiveRecord
##
# :singleton-method:
# Specify whether schema dump should happen at the end of the
- # db:migrate rake task. This is true by default, which is useful for the
+ # db:migrate rails command. This is true by default, which is useful for the
# development environment. This should ideally be false in the production
# environment where dumping schema is rarely needed.
mattr_accessor :dump_schema_after_migration, instance_writer: false, default: true
diff --git a/activerecord/lib/active_record/counter_cache.rb b/activerecord/lib/active_record/counter_cache.rb
index 0d8748d7e6..aad30b40ea 100644
--- a/activerecord/lib/active_record/counter_cache.rb
+++ b/activerecord/lib/active_record/counter_cache.rb
@@ -102,27 +102,7 @@ module ActiveRecord
# # `updated_at` = '2016-10-13T09:59:23-05:00'
# # WHERE id IN (10, 15)
def update_counters(id, counters)
- touch = counters.delete(:touch)
-
- updates = counters.map do |counter_name, value|
- operator = value < 0 ? "-" : "+"
- quoted_column = connection.quote_column_name(counter_name)
- "#{quoted_column} = COALESCE(#{quoted_column}, 0) #{operator} #{value.abs}"
- end
-
- if touch
- names = touch if touch != true
- touch_updates = touch_attributes_with_time(*names)
- updates << sanitize_sql_for_assignment(touch_updates) unless touch_updates.empty?
- end
-
- if id.is_a?(Relation) && self == id.klass
- relation = id
- else
- relation = unscoped.where!(primary_key => id)
- end
-
- relation.update_all updates.join(", ")
+ unscoped.where!(primary_key => id).update_counters(counters)
end
# Increment a numeric field by one, via a direct SQL update.
@@ -179,8 +159,7 @@ module ActiveRecord
end
private
-
- def _create_record(*)
+ def _create_record(attribute_names = self.attribute_names)
id = super
each_counter_cached_associations do |association|
diff --git a/activerecord/lib/active_record/database_configurations.rb b/activerecord/lib/active_record/database_configurations.rb
index ffeed45030..a94f46d07f 100644
--- a/activerecord/lib/active_record/database_configurations.rb
+++ b/activerecord/lib/active_record/database_configurations.rb
@@ -1,63 +1,185 @@
# frozen_string_literal: true
+require "active_record/database_configurations/database_config"
+require "active_record/database_configurations/hash_config"
+require "active_record/database_configurations/url_config"
+
module ActiveRecord
- module DatabaseConfigurations # :nodoc:
- class DatabaseConfig
- attr_reader :env_name, :spec_name, :config
+ # ActiveRecord::DatabaseConfigurations returns an array of DatabaseConfig
+ # objects (either a HashConfig or UrlConfig) that are constructed from the
+ # application's database configuration hash or url string.
+ class DatabaseConfigurations
+ attr_reader :configurations
+
+ def initialize(configurations = {})
+ @configurations = build_configs(configurations)
+ end
- def initialize(env_name, spec_name, config)
- @env_name = env_name
- @spec_name = spec_name
- @config = config
+ # Collects the configs for the environment and optionally the specification
+ # name passed in. To include replica configurations pass `include_replicas: true`.
+ #
+ # If a spec name is provided a single DatabaseConfiguration object will be
+ # returned, otherwise an array of DatabaseConfiguration objects will be
+ # returned that corresponds with the environment and type requested.
+ #
+ # Options:
+ #
+ # <tt>env_name:</tt> The environment name. Defaults to nil which will collect
+ # configs for all environments.
+ # <tt>spec_name:</tt> The specification name (ie primary, animals, etc.). Defaults
+ # to +nil+.
+ # <tt>include_replicas:</tt> Determines whether to include replicas in the
+ # the returned list. Most of the time we're only iterating over the write
+ # connection (i.e. migrations don't need to run for the write and read connection).
+ # Defaults to +false+.
+ def configs_for(env_name: nil, spec_name: nil, include_replicas: false)
+ configs = env_with_configs(env_name)
+
+ unless include_replicas
+ configs = configs.select do |db_config|
+ !db_config.replica?
+ end
+ end
+
+ if spec_name
+ configs.find do |db_config|
+ db_config.spec_name == spec_name
+ end
+ else
+ configs
end
end
- # Selects the config for the specified environment and specification name
+ # Returns the config hash that corresponds with the environment
+ #
+ # If the application has multiple databases `default_hash` will
+ # the first config hash for the environment.
+ #
+ # { database: "my_db", adapter: "mysql2" }
+ def default_hash(env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call.to_s)
+ default = find_db_config(env)
+ default.config if default
+ end
+ alias :[] :default_hash
+
+ # Returns a single DatabaseConfig object based on the requested environment.
#
- # For example if passed :development, and :animals it will select the database
- # under the :development and :animals configuration level
- def self.config_for_env_and_spec(environment, specification_name, configs = ActiveRecord::Base.configurations) # :nodoc:
- configs_for(environment, configs).find do |db_config|
- db_config.spec_name == specification_name
+ # If the application has multiple databases `select_db_config` will return
+ # the first DatabaseConfig for the environment.
+ def find_db_config(env)
+ configurations.find do |db_config|
+ db_config.env_name == env.to_s ||
+ (db_config.for_current_env? && db_config.spec_name == env.to_s)
end
end
- # Collects the configs for the environment passed in.
+ # Returns the DatabaseConfig object as a Hash.
+ def to_h
+ configs = configurations.reverse.inject({}) do |memo, db_config|
+ memo.merge(db_config.to_legacy_hash)
+ end
+
+ Hash[configs.to_a.reverse]
+ end
+
+ # Checks if the application's configurations are empty.
#
- # If a block is given returns the specification name and configuration
- # otherwise returns an array of DatabaseConfig structs for the environment.
- def self.configs_for(env, configs = ActiveRecord::Base.configurations, &blk) # :nodoc:
- env_with_configs = db_configs(configs).select do |db_config|
- db_config.env_name == env
+ # Aliased to blank?
+ def empty?
+ configurations.empty?
+ end
+ alias :blank? :empty?
+
+ private
+ def env_with_configs(env = nil)
+ if env
+ configurations.select { |db_config| db_config.env_name == env }
+ else
+ configurations
+ end
end
- if block_given?
- env_with_configs.each do |env_with_config|
- yield env_with_config.spec_name, env_with_config.config
+ def build_configs(configs)
+ return configs.configurations if configs.is_a?(DatabaseConfigurations)
+
+ build_db_config = configs.each_pair.flat_map do |env_name, config|
+ walk_configs(env_name, "primary", config)
+ end.compact
+
+ if url = ENV["DATABASE_URL"]
+ build_url_config(url, build_db_config)
+ else
+ build_db_config
end
- else
- env_with_configs
end
- end
- # Given an env, spec and config creates DatabaseConfig structs with
- # each attribute set.
- def self.walk_configs(env_name, spec_name, config) # :nodoc:
- if config["database"] || config["url"] || config["adapter"]
- DatabaseConfig.new(env_name, spec_name, config)
- else
- config.each_pair.map do |sub_spec_name, sub_config|
- walk_configs(env_name, sub_spec_name, sub_config)
+ def walk_configs(env_name, spec_name, config)
+ case config
+ when String
+ build_db_config_from_string(env_name, spec_name, config)
+ when Hash
+ build_db_config_from_hash(env_name, spec_name, config)
end
end
- end
- # Walks all the configs passed in and returns an array
- # of DatabaseConfig structs for each configuration.
- def self.db_configs(configs = ActiveRecord::Base.configurations) # :nodoc:
- configs.each_pair.flat_map do |env_name, config|
- walk_configs(env_name, "primary", config)
+ def build_db_config_from_string(env_name, spec_name, config)
+ begin
+ url = config
+ uri = URI.parse(url)
+ if uri.try(:scheme)
+ ActiveRecord::DatabaseConfigurations::UrlConfig.new(env_name, spec_name, url)
+ end
+ rescue URI::InvalidURIError
+ ActiveRecord::DatabaseConfigurations::HashConfig.new(env_name, spec_name, config)
+ end
+ end
+
+ def build_db_config_from_hash(env_name, spec_name, config)
+ if url = config["url"]
+ config_without_url = config.dup
+ config_without_url.delete "url"
+ ActiveRecord::DatabaseConfigurations::UrlConfig.new(env_name, spec_name, url, config_without_url)
+ elsif config["database"] || (config.size == 1 && config.values.all? { |v| v.is_a? String })
+ ActiveRecord::DatabaseConfigurations::HashConfig.new(env_name, spec_name, config)
+ else
+ config.each_pair.map do |sub_spec_name, sub_config|
+ walk_configs(env_name, sub_spec_name, sub_config)
+ end
+ end
+ end
+
+ def build_url_config(url, configs)
+ env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call.to_s
+
+ if original_config = configs.find(&:for_current_env?)
+ if original_config.url_config?
+ configs
+ else
+ configs.map do |config|
+ ActiveRecord::DatabaseConfigurations::UrlConfig.new(env, config.spec_name, url, config.config)
+ end
+ end
+ else
+ configs + [ActiveRecord::DatabaseConfigurations::UrlConfig.new(env, "primary", url)]
+ end
+ end
+
+ def method_missing(method, *args, &blk)
+ if Hash.method_defined?(method)
+ ActiveSupport::Deprecation.warn \
+ "Returning a hash from ActiveRecord::Base.configurations is deprecated. Therefore calling `#{method}` on the hash is also deprecated. Please switch to using the `configs_for` method instead to collect and iterate over database configurations."
+ end
+
+ case method
+ when :each, :first
+ configurations.send(method, *args, &blk)
+ when :fetch
+ configs_for(env_name: args.first)
+ when :values
+ configurations.map(&:config)
+ else
+ super
+ end
end
- end
end
end
diff --git a/activerecord/lib/active_record/database_configurations/database_config.rb b/activerecord/lib/active_record/database_configurations/database_config.rb
new file mode 100644
index 0000000000..6250827b34
--- /dev/null
+++ b/activerecord/lib/active_record/database_configurations/database_config.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module ActiveRecord
+ class DatabaseConfigurations
+ # ActiveRecord::Base.configurations will return either a HashConfig or
+ # UrlConfig respectively. It will never return a DatabaseConfig object,
+ # as this is the parent class for the types of database configuration objects.
+ class DatabaseConfig # :nodoc:
+ attr_reader :env_name, :spec_name
+
+ def initialize(env_name, spec_name)
+ @env_name = env_name
+ @spec_name = spec_name
+ end
+
+ def replica?
+ raise NotImplementedError
+ end
+
+ def url_config?
+ false
+ end
+
+ def to_legacy_hash
+ { env_name => config }
+ end
+
+ def for_current_env?
+ env_name == ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
+ end
+ end
+ end
+end
diff --git a/activerecord/lib/active_record/database_configurations/hash_config.rb b/activerecord/lib/active_record/database_configurations/hash_config.rb
new file mode 100644
index 0000000000..18ed7c0466
--- /dev/null
+++ b/activerecord/lib/active_record/database_configurations/hash_config.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+module ActiveRecord
+ class DatabaseConfigurations
+ # A HashConfig object is created for each database configuration entry that
+ # is created from a hash.
+ #
+ # A hash config:
+ #
+ # { "development" => { "database" => "db_name" } }
+ #
+ # Becomes:
+ #
+ # #<ActiveRecord::DatabaseConfigurations::HashConfig:0x00007fd1acbded10
+ # @env_name="development", @spec_name="primary", @config={"db_name"}>
+ #
+ # Options are:
+ #
+ # <tt>:env_name</tt> - The Rails environment, ie "development"
+ # <tt>:spec_name</tt> - The specification name. In a standard two-tier
+ # database configuration this will default to "primary". In a multiple
+ # database three-tier database configuration this corresponds to the name
+ # used in the second tier, for example "primary_readonly".
+ # <tt>:config</tt> - The config hash. This is the hash that contains the
+ # database adapter, name, and other important information for database
+ # connections.
+ class HashConfig < DatabaseConfig
+ attr_reader :config
+
+ def initialize(env_name, spec_name, config)
+ super(env_name, spec_name)
+ @config = config
+ end
+
+ # Determines whether a database configuration is for a replica / readonly
+ # connection. If the `replica` key is present in the config, `replica?` will
+ # return +true+.
+ def replica?
+ config["replica"]
+ end
+ end
+ end
+end
diff --git a/activerecord/lib/active_record/database_configurations/url_config.rb b/activerecord/lib/active_record/database_configurations/url_config.rb
new file mode 100644
index 0000000000..f526c59d56
--- /dev/null
+++ b/activerecord/lib/active_record/database_configurations/url_config.rb
@@ -0,0 +1,67 @@
+# frozen_string_literal: true
+
+module ActiveRecord
+ class DatabaseConfigurations
+ # A UrlConfig object is created for each database configuration
+ # entry that is created from a URL. This can either be a URL string
+ # or a hash with a URL in place of the config hash.
+ #
+ # A URL config:
+ #
+ # postgres://localhost/foo
+ #
+ # Becomes:
+ #
+ # #<ActiveRecord::DatabaseConfigurations::UrlConfig:0x00007fdc3238f340
+ # @env_name="default_env", @spec_name="primary",
+ # @config={"adapter"=>"postgresql", "database"=>"foo", "host"=>"localhost"},
+ # @url="postgres://localhost/foo">
+ #
+ # Options are:
+ #
+ # <tt>:env_name</tt> - The Rails environment, ie "development"
+ # <tt>:spec_name</tt> - The specification name. In a standard two-tier
+ # database configuration this will default to "primary". In a multiple
+ # database three-tier database configuration this corresponds to the name
+ # used in the second tier, for example "primary_readonly".
+ # <tt>:url</tt> - The database URL.
+ # <tt>:config</tt> - The config hash. This is the hash that contains the
+ # database adapter, name, and other important information for database
+ # connections.
+ class UrlConfig < DatabaseConfig
+ attr_reader :url, :config
+
+ def initialize(env_name, spec_name, url, config = {})
+ super(env_name, spec_name)
+ @config = build_config(config, url)
+ @url = url
+ end
+
+ def url_config? # :nodoc:
+ true
+ end
+
+ # Determines whether a database configuration is for a replica / readonly
+ # connection. If the `replica` key is present in the config, `replica?` will
+ # return +true+.
+ def replica?
+ config["replica"]
+ end
+
+ private
+ def build_config(original_config, url)
+ if /^jdbc:/.match?(url)
+ hash = { "url" => url }
+ else
+ hash = ActiveRecord::ConnectionAdapters::ConnectionSpecification::ConnectionUrlResolver.new(url).to_hash
+ end
+
+ if original_config[env_name]
+ original_config[env_name].merge(hash)
+ else
+ original_config.merge(hash)
+ end
+ end
+ end
+ end
+end
diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb
index c2a180c939..f61bc7b9e8 100644
--- a/activerecord/lib/active_record/errors.rb
+++ b/activerecord/lib/active_record/errors.rb
@@ -111,7 +111,8 @@ module ActiveRecord
class RecordNotUnique < WrappedDatabaseException
end
- # Raised when a record cannot be inserted or updated because it references a non-existent record.
+ # Raised when a record cannot be inserted or updated because it references a non-existent record,
+ # or when a record cannot be deleted because a parent record references it.
class InvalidForeignKey < WrappedDatabaseException
end
diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb
index 8f022ff7a7..6e0f1a0dfb 100644
--- a/activerecord/lib/active_record/fixtures.rb
+++ b/activerecord/lib/active_record/fixtures.rb
@@ -179,8 +179,8 @@ module ActiveRecord
# end
# end
#
- # If you preload your test database with all fixture data (probably in the rake task) and use
- # transactional tests, then you may omit all fixtures declarations in your test cases since
+ # If you preload your test database with all fixture data (probably by running `rails db:fixtures:load`)
+ # and use transactional tests, then you may omit all fixtures declarations in your test cases since
# all the data's already there and every case rolls back its changes.
#
# In order to use instantiated fixtures with preloaded data, set +self.pre_loaded_fixtures+ to
diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb
index 7f096bb532..4a3a31fc95 100644
--- a/activerecord/lib/active_record/locking/optimistic.rb
+++ b/activerecord/lib/active_record/locking/optimistic.rb
@@ -61,7 +61,7 @@ module ActiveRecord
end
private
- def _create_record(attribute_names = self.attribute_names, *)
+ def _create_record(attribute_names = self.attribute_names)
if locking_enabled?
# We always want to persist the locking version, even if we don't detect
# a change from the default, since the database might have no default
@@ -165,7 +165,7 @@ module ActiveRecord
def inherited(subclass)
subclass.class_eval do
is_lock_column = ->(name, _) { lock_optimistically && name == locking_column }
- decorate_matching_attribute_types(is_lock_column, :_optimistic_locking) do |type|
+ decorate_matching_attribute_types(is_lock_column, "_optimistic_locking") do |type|
LockingType.new(type)
end
end
diff --git a/activerecord/lib/active_record/log_subscriber.rb b/activerecord/lib/active_record/log_subscriber.rb
index cf884bc6da..6b84431343 100644
--- a/activerecord/lib/active_record/log_subscriber.rb
+++ b/activerecord/lib/active_record/log_subscriber.rb
@@ -4,6 +4,8 @@ module ActiveRecord
class LogSubscriber < ActiveSupport::LogSubscriber
IGNORE_PAYLOAD_NAMES = ["SCHEMA", "EXPLAIN"]
+ class_attribute :backtrace_cleaner, default: ActiveSupport::BacktraceCleaner.new
+
def self.runtime=(value)
ActiveRecord::RuntimeRegistry.sql_runtime = value
end
@@ -100,36 +102,15 @@ module ActiveRecord
end
def log_query_source
- source_line, line_number = extract_callstack(caller_locations)
-
- if source_line
- if defined?(::Rails.root)
- app_root = "#{::Rails.root}/"
- source_line = source_line.sub(app_root, "")
- end
-
- logger.debug(" ↳ #{ source_line }:#{ line_number }")
- end
- end
+ source = extract_query_source_location(caller)
- def extract_callstack(callstack)
- line = callstack.find do |frame|
- frame.absolute_path && !ignored_callstack(frame.absolute_path)
+ if source
+ logger.debug(" ↳ #{source}")
end
-
- offending_line = line || callstack.first
-
- [
- offending_line.path,
- offending_line.lineno
- ]
end
- RAILS_GEM_ROOT = File.expand_path("../../..", __dir__) + "/"
-
- def ignored_callstack(path)
- path.start_with?(RAILS_GEM_ROOT) ||
- path.start_with?(RbConfig::CONFIG["rubylibdir"])
+ def extract_query_source_location(locations)
+ backtrace_cleaner.clean(locations).first
end
end
end
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 6ace973c29..d68ed3cad9 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -130,9 +130,9 @@ module ActiveRecord
class PendingMigrationError < MigrationError#:nodoc:
def initialize(message = nil)
if !message && defined?(Rails.env)
- super("Migrations are pending. To resolve this issue, run:\n\n bin/rails db:migrate RAILS_ENV=#{::Rails.env}")
+ super("Migrations are pending. To resolve this issue, run:\n\n rails db:migrate RAILS_ENV=#{::Rails.env}")
elsif !message
- super("Migrations are pending. To resolve this issue, run:\n\n bin/rails db:migrate")
+ super("Migrations are pending. To resolve this issue, run:\n\n rails db:migrate")
else
super
end
@@ -150,7 +150,7 @@ module ActiveRecord
class NoEnvironmentInSchemaError < MigrationError #:nodoc:
def initialize
- msg = "Environment data not found in the schema. To resolve this issue, run: \n\n bin/rails db:environment:set"
+ msg = "Environment data not found in the schema. To resolve this issue, run: \n\n rails db:environment:set"
if defined?(Rails.env)
super("#{msg} RAILS_ENV=#{::Rails.env}")
else
@@ -173,7 +173,7 @@ module ActiveRecord
msg = "You are attempting to modify a database that was last run in `#{ stored }` environment.\n".dup
msg << "You are running in `#{ current }` environment. "
msg << "If you are sure you want to continue, first set the environment using:\n\n"
- msg << " bin/rails db:environment:set"
+ msg << " rails db:environment:set"
if defined?(Rails.env)
super("#{msg} RAILS_ENV=#{::Rails.env}\n\n")
else
@@ -352,7 +352,7 @@ module ActiveRecord
# <tt>rails db:migrate</tt>. This will update the database by running all of the
# pending migrations, creating the <tt>schema_migrations</tt> table
# (see "About the schema_migrations table" section below) if missing. It will also
- # invoke the db:schema:dump task, which will update your db/schema.rb file
+ # invoke the db:schema:dump command, which will update your db/schema.rb file
# to match the structure of your database.
#
# To roll the database back to a previous migration version, use
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb
index 087632b10f..dea6d4ec08 100644
--- a/activerecord/lib/active_record/migration/command_recorder.rb
+++ b/activerecord/lib/active_record/migration/command_recorder.rb
@@ -214,11 +214,24 @@ module ActiveRecord
end
def invert_remove_foreign_key(args)
- from_table, to_table, remove_options = args
- raise ActiveRecord::IrreversibleMigration, "remove_foreign_key is only reversible if given a second table" if to_table.nil? || to_table.is_a?(Hash)
+ from_table, options_or_to_table, options_or_nil = args
+
+ to_table = if options_or_to_table.is_a?(Hash)
+ options_or_to_table[:to_table]
+ else
+ options_or_to_table
+ end
+
+ remove_options = if options_or_to_table.is_a?(Hash)
+ options_or_to_table.except(:to_table)
+ else
+ options_or_nil
+ end
+
+ raise ActiveRecord::IrreversibleMigration, "remove_foreign_key is only reversible if given a second table" if to_table.nil?
reversed_args = [from_table, to_table]
- reversed_args << remove_options if remove_options
+ reversed_args << remove_options if remove_options.present?
[:add_foreign_key, reversed_args]
end
diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb
index fa20bce3a9..50767ee93f 100644
--- a/activerecord/lib/active_record/nested_attributes.rb
+++ b/activerecord/lib/active_record/nested_attributes.rb
@@ -501,7 +501,7 @@ module ActiveRecord
if attributes["id"].blank?
unless reject_new_record?(association_name, attributes)
- association.build(attributes.except(*UNASSIGNABLE_KEYS))
+ association.reader.build(attributes.except(*UNASSIGNABLE_KEYS))
end
elsif existing_record = existing_records.detect { |record| record.id.to_s == attributes["id"].to_s }
unless call_reject_if(association_name, attributes)
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index 155d67fd8f..24af56cf0b 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -107,13 +107,11 @@ module ActiveRecord
# When running callbacks is not needed for each record update,
# it is preferred to use {update_all}[rdoc-ref:Relation#update_all]
# for updating all records in a single query.
- def update(id = :all, attributes)
+ def update(id, attributes)
if id.is_a?(Array)
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
if ActiveRecord::Base === id
raise ArgumentError,
@@ -720,7 +718,6 @@ module ActiveRecord
# Updates the associated record with values matching those of the instance attributes.
# Returns the number of affected rows.
def _update_record(attribute_names = self.attribute_names)
- attribute_names &= self.class.column_names
attribute_names = attributes_for_update(attribute_names)
if attribute_names.empty?
@@ -739,10 +736,12 @@ module ActiveRecord
# Creates a record with values matching those of the instance attributes
# and returns its id.
def _create_record(attribute_names = self.attribute_names)
- attribute_names &= self.class.column_names
- attributes_values = attributes_with_values_for_create(attribute_names)
+ attribute_names = attributes_for_create(attribute_names)
+
+ new_id = self.class._insert_record(
+ attributes_with_values(attribute_names)
+ )
- new_id = self.class._insert_record(attributes_values)
self.id ||= new_id if self.class.primary_key
@new_record = false
diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb
index 6ab80a654d..7ece083fd4 100644
--- a/activerecord/lib/active_record/railtie.rb
+++ b/activerecord/lib/active_record/railtie.rb
@@ -77,6 +77,10 @@ module ActiveRecord
ActiveSupport.on_load(:active_record) { self.logger ||= ::Rails.logger }
end
+ initializer "active_record.backtrace_cleaner" do
+ ActiveSupport.on_load(:active_record) { LogSubscriber.backtrace_cleaner = ::Rails.backtrace_cleaner }
+ end
+
initializer "active_record.migration_error" do
if config.active_record.delete(:migration_error) == :page_load
config.app_middleware.insert_after ::ActionDispatch::Callbacks,
@@ -141,8 +145,8 @@ Oops - You have a database configured, but it doesn't exist yet!
Here's how to get started:
1. Configure your database in config/database.yml.
- 2. Run `bin/rails db:create` to create the database.
- 3. Run `bin/rails db:setup` to load your database schema.
+ 2. Run `rails db:create` to create the database.
+ 3. Run `rails db:setup` to load your database schema.
end_warning
raise
end
diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake
index 24449e8df3..be5ef350a9 100644
--- a/activerecord/lib/active_record/railties/databases.rake
+++ b/activerecord/lib/active_record/railties/databases.rake
@@ -26,7 +26,7 @@ db_namespace = namespace :db do
ActiveRecord::Tasks::DatabaseTasks.for_each do |spec_name|
desc "Create #{spec_name} database for current environment"
task spec_name => :load_config do
- db_config = ActiveRecord::DatabaseConfigurations.config_for_env_and_spec(Rails.env, spec_name)
+ db_config = ActiveRecord::Base.configurations.configs_for(env_name: Rails.env, spec_name: spec_name)
ActiveRecord::Tasks::DatabaseTasks.create(db_config.config)
end
end
@@ -45,7 +45,7 @@ db_namespace = namespace :db do
ActiveRecord::Tasks::DatabaseTasks.for_each do |spec_name|
desc "Drop #{spec_name} database for current environment"
task spec_name => [:load_config, :check_protected_environments] do
- db_config = ActiveRecord::DatabaseConfigurations.config_for_env_and_spec(Rails.env, spec_name)
+ db_config = ActiveRecord::Base.configurations.configs_for(env_name: Rails.env, spec_name: spec_name)
ActiveRecord::Tasks::DatabaseTasks.drop(db_config.config)
end
end
@@ -73,8 +73,8 @@ db_namespace = namespace :db do
desc "Migrate the database (options: VERSION=x, VERBOSE=false, SCOPE=blog)."
task migrate: :load_config do
- ActiveRecord::DatabaseConfigurations.configs_for(Rails.env) do |spec_name, config|
- ActiveRecord::Base.establish_connection(config)
+ ActiveRecord::Base.configurations.configs_for(env_name: Rails.env).each do |db_config|
+ ActiveRecord::Base.establish_connection(db_config.config)
ActiveRecord::Tasks::DatabaseTasks.migrate
end
db_namespace["_dump"].invoke
@@ -99,7 +99,7 @@ db_namespace = namespace :db do
ActiveRecord::Tasks::DatabaseTasks.for_each do |spec_name|
desc "Migrate #{spec_name} database for current environment"
task spec_name => :load_config do
- db_config = ActiveRecord::DatabaseConfigurations.config_for_env_and_spec(Rails.env, spec_name)
+ db_config = ActiveRecord::Base.configurations.configs_for(env_name: Rails.env, spec_name: spec_name)
ActiveRecord::Base.establish_connection(db_config.config)
ActiveRecord::Tasks::DatabaseTasks.migrate
end
@@ -217,7 +217,7 @@ db_namespace = namespace :db do
task setup: ["db:schema:load_if_ruby", "db:structure:load_if_sql", :seed]
desc "Loads the seed data from db/seeds.rb"
- task :seed do
+ task seed: :load_config do
db_namespace["abort_if_pending_migrations"].invoke
ActiveRecord::Tasks::DatabaseTasks.load_seed
end
@@ -274,11 +274,10 @@ 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::DatabaseConfigurations.configs_for(Rails.env) do |spec_name, config|
- filename = ActiveRecord::Tasks::DatabaseTasks.dump_filename(spec_name, :ruby)
+ ActiveRecord::Base.configurations.configs_for(env_name: Rails.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(config)
+ ActiveRecord::Base.establish_connection(db_config.config)
ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, file)
end
end
@@ -314,11 +313,10 @@ 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::DatabaseConfigurations.configs_for(Rails.env) do |spec_name, config|
- ActiveRecord::Base.establish_connection(config)
- filename = ActiveRecord::Tasks::DatabaseTasks.dump_filename(spec_name, :sql)
- ActiveRecord::Tasks::DatabaseTasks.structure_dump(config, filename)
-
+ ActiveRecord::Base.configurations.configs_for(env_name: Rails.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)
if ActiveRecord::SchemaMigration.table_exists?
File.open(filename, "a") do |f|
f.puts ActiveRecord::Base.connection.dump_schema_information
@@ -356,22 +354,30 @@ db_namespace = namespace :db do
begin
should_reconnect = ActiveRecord::Base.connection_pool.active_connection?
ActiveRecord::Schema.verbose = false
- ActiveRecord::Tasks::DatabaseTasks.load_schema ActiveRecord::Base.configurations["test"], :ruby, ENV["SCHEMA"], "test"
+ ActiveRecord::Base.configurations.configs_for(env_name: "test").each do |db_config|
+ filename = ActiveRecord::Tasks::DatabaseTasks.dump_filename(db_config.spec_name, :ruby)
+ ActiveRecord::Tasks::DatabaseTasks.load_schema(db_config.config, :ruby, filename, "test")
+ end
ensure
if should_reconnect
- ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations[ActiveRecord::Tasks::DatabaseTasks.env])
+ ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations.default_hash(ActiveRecord::Tasks::DatabaseTasks.env))
end
end
end
# desc "Recreate the test database from an existent structure.sql file"
task load_structure: %w(db:test:purge) do
- ActiveRecord::Tasks::DatabaseTasks.load_schema ActiveRecord::Base.configurations["test"], :sql, ENV["SCHEMA"], "test"
+ ActiveRecord::Base.configurations.configs_for(env_name: "test").each do |db_config|
+ filename = ActiveRecord::Tasks::DatabaseTasks.dump_filename(db_config.spec_name, :sql)
+ ActiveRecord::Tasks::DatabaseTasks.load_schema(db_config.config, :sql, filename, "test")
+ end
end
# desc "Empty the test database"
task purge: %w(load_config check_protected_environments) do
- ActiveRecord::Tasks::DatabaseTasks.purge ActiveRecord::Base.configurations["test"]
+ ActiveRecord::Base.configurations.configs_for(env_name: "test").each do |db_config|
+ ActiveRecord::Tasks::DatabaseTasks.purge(db_config.config)
+ end
end
# desc 'Load the test schema'
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
index 6d2f75a3ae..b2110f727c 100644
--- a/activerecord/lib/active_record/reflection.rb
+++ b/activerecord/lib/active_record/reflection.rb
@@ -612,9 +612,21 @@ module ActiveRecord
# returns either +nil+ or the inverse association name that it finds.
def automatic_inverse_of
- if can_find_inverse_of_automatically?(self)
- inverse_name = ActiveSupport::Inflector.underscore(options[:as] || active_record.name.demodulize).to_sym
+ return unless can_find_inverse_of_automatically?(self)
+ inverse_name_candidates =
+ if options[:as]
+ [options[:as]]
+ else
+ active_record_name = active_record.name.demodulize
+ [active_record_name, ActiveSupport::Inflector.pluralize(active_record_name)]
+ end
+
+ inverse_name_candidates.map! do |candidate|
+ ActiveSupport::Inflector.underscore(candidate).to_sym
+ end
+
+ inverse_name_candidates.detect do |inverse_name|
begin
reflection = klass._reflect_on_association(inverse_name)
rescue NameError
@@ -623,9 +635,7 @@ module ActiveRecord
reflection = false
end
- if valid_inverse_reflection?(reflection)
- return inverse_name
- end
+ valid_inverse_reflection?(reflection)
end
end
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 7ab9bb2d2d..29a3ceab7d 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -43,6 +43,12 @@ module ActiveRecord
klass.arel_attribute(name, table)
end
+ def bind_attribute(name, value) # :nodoc:
+ attr = arel_attribute(name)
+ bind = predicate_builder.build_bind_attribute(attr.name, value)
+ yield attr, bind
+ end
+
# Initializes new record from relation while maintaining the current
# scope.
#
@@ -217,7 +223,7 @@ module ActiveRecord
# are needed by the next ones when eager loading is going on.
#
# Please see further details in the
- # {Active Record Query Interface guide}[http://guides.rubyonrails.org/active_record_querying.html#running-explain].
+ # {Active Record Query Interface guide}[https://guides.rubyonrails.org/active_record_querying.html#running-explain].
def explain
exec_explain(collecting_queries_for_explain { exec_queries })
end
@@ -309,10 +315,10 @@ module ActiveRecord
# Please check unscoped if you want to remove all previous scopes (including
# the default_scope) during the execution of a block.
def scoping
- previous, klass.current_scope = klass.current_scope(true), self
+ previous, klass.current_scope = klass.current_scope(true), self unless @delegate_to_klass
yield
ensure
- klass.current_scope = previous
+ klass.current_scope = previous unless @delegate_to_klass
end
def _exec_scope(*args, &block) # :nodoc:
@@ -369,6 +375,32 @@ module ActiveRecord
@klass.connection.update stmt, "#{@klass} Update All"
end
+ def update(id = :all, attributes) # :nodoc:
+ if id == :all
+ each { |record| record.update(attributes) }
+ else
+ klass.update(id, attributes)
+ end
+ end
+
+ def update_counters(counters) # :nodoc:
+ touch = counters.delete(:touch)
+
+ updates = counters.map do |counter_name, value|
+ operator = value < 0 ? "-" : "+"
+ quoted_column = connection.quote_column_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?
+ end
+
+ update_all updates.join(", ")
+ end
+
# Touches all records in the current relation without instantiating records first with the updated_at/on attributes
# set to the current time or the time specified.
# This method can be passed attribute names and an optional time argument.
diff --git a/activerecord/lib/active_record/relation/batches.rb b/activerecord/lib/active_record/relation/batches.rb
index ec4bb06c57..9c579843b1 100644
--- a/activerecord/lib/active_record/relation/batches.rb
+++ b/activerecord/lib/active_record/relation/batches.rb
@@ -251,8 +251,9 @@ module ActiveRecord
end
end
- bind = primary_key_bind(primary_key_offset)
- batch_relation = relation.where(arel_attribute(primary_key).gt(bind))
+ batch_relation = relation.where(
+ bind_attribute(primary_key, primary_key_offset) { |attr, bind| attr.gt(bind) }
+ )
end
end
@@ -265,15 +266,11 @@ module ActiveRecord
end
def apply_start_limit(relation, start)
- relation.where(arel_attribute(primary_key).gteq(primary_key_bind(start)))
+ relation.where(bind_attribute(primary_key, start) { |attr, bind| attr.gteq(bind) })
end
def apply_finish_limit(relation, finish)
- relation.where(arel_attribute(primary_key).lteq(primary_key_bind(finish)))
- end
-
- def primary_key_bind(value)
- predicate_builder.build_bind_attribute(primary_key, value)
+ relation.where(bind_attribute(primary_key, finish) { |attr, bind| attr.lteq(bind) })
end
def batch_order
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb
index f215c95f51..0fa5ba2e50 100644
--- a/activerecord/lib/active_record/relation/calculations.rb
+++ b/activerecord/lib/active_record/relation/calculations.rb
@@ -190,7 +190,7 @@ module ActiveRecord
relation = apply_join_dependency
relation.pluck(*column_names)
else
- enforce_raw_sql_whitelist(column_names)
+ disallow_raw_sql!(column_names)
relation = spawn
relation.select_values = column_names.map { |cn|
@klass.has_attribute?(cn) || @klass.attribute_alias?(cn) ? arel_attribute(cn) : cn
@@ -245,7 +245,7 @@ module ActiveRecord
if distinct && (group_values.any? || select_values.empty? && order_values.empty?)
column_name = primary_key
end
- elsif column_name =~ /\s*DISTINCT[\s(]+/i
+ elsif /\s*DISTINCT[\s(]+/i.match?(column_name.to_s)
distinct = nil
end
end
diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb
index 10e4779ca4..07b16a0740 100644
--- a/activerecord/lib/active_record/relation/merger.rb
+++ b/activerecord/lib/active_record/relation/merger.rb
@@ -152,10 +152,10 @@ module ActiveRecord
def merge_multi_values
if other.reordering_value
# override any order specified in the original relation
- relation.reorder! other.order_values
+ relation.reorder!(*other.order_values)
elsif other.order_values.any?
# merge in order_values from relation
- relation.order! other.order_values
+ relation.order!(*other.order_values)
end
extensions = other.extensions - relation.extensions
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 64bf83e3c1..e5191fa38a 100644
--- a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb
@@ -1,5 +1,7 @@
# frozen_string_literal: true
+require "active_support/core_ext/array/extract"
+
module ActiveRecord
class PredicateBuilder
class ArrayHandler # :nodoc:
@@ -11,8 +13,8 @@ module ActiveRecord
return attribute.in([]) if value.empty?
values = value.map { |x| x.is_a?(Base) ? x.id : x }
- nils, values = values.partition(&:nil?)
- ranges, values = values.partition { |v| v.is_a?(Range) }
+ nils = values.extract!(&:nil?)
+ ranges = values.extract! { |v| v.is_a?(Range) }
values_predicate =
case values.length
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index 52405f21a1..56497e11cb 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -1133,9 +1133,9 @@ module ActiveRecord
end
order_args.flatten!
- @klass.enforce_raw_sql_whitelist(
+ @klass.disallow_raw_sql!(
order_args.flat_map { |a| a.is_a?(Hash) ? a.keys : a },
- whitelist: AttributeMethods::ClassMethods::COLUMN_NAME_ORDER_WHITELIST
+ permit: AttributeMethods::ClassMethods::COLUMN_NAME_WITH_ORDER
)
validate_order_args(order_args)
diff --git a/activerecord/lib/active_record/relation/spawn_methods.rb b/activerecord/lib/active_record/relation/spawn_methods.rb
index b092399657..562e04194c 100644
--- a/activerecord/lib/active_record/relation/spawn_methods.rb
+++ b/activerecord/lib/active_record/relation/spawn_methods.rb
@@ -10,7 +10,6 @@ module ActiveRecord
def spawn #:nodoc:
clone
end
- alias :all :spawn
# Merges in the conditions from <tt>other</tt>, if <tt>other</tt> is an ActiveRecord::Relation.
# Returns an array representing the intersection of the resulting records with <tt>other</tt>, if <tt>other</tt> is an array.
diff --git a/activerecord/lib/active_record/result.rb b/activerecord/lib/active_record/result.rb
index 7f1c2fd7eb..3b2556b1c8 100644
--- a/activerecord/lib/active_record/result.rb
+++ b/activerecord/lib/active_record/result.rb
@@ -140,6 +140,8 @@ module ActiveRecord
# We freeze the strings to prevent them getting duped when
# used as keys in ActiveRecord::Base's @attributes hash
columns = @columns.map(&:-@)
+ length = columns.length
+
@rows.map { |row|
# In the past we used Hash[columns.zip(row)]
# though elegant, the verbose way is much more efficient
@@ -148,8 +150,6 @@ module ActiveRecord
hash = {}
index = 0
- length = columns.length
-
while index < length
hash[columns[index]] = row[index]
index += 1
diff --git a/activerecord/lib/active_record/sanitization.rb b/activerecord/lib/active_record/sanitization.rb
index c6c268855e..3485d9e557 100644
--- a/activerecord/lib/active_record/sanitization.rb
+++ b/activerecord/lib/active_record/sanitization.rb
@@ -61,8 +61,8 @@ module ActiveRecord
# # => "id ASC"
def sanitize_sql_for_order(condition)
if condition.is_a?(Array) && condition.first.to_s.include?("?")
- enforce_raw_sql_whitelist([condition.first],
- whitelist: AttributeMethods::ClassMethods::COLUMN_NAME_ORDER_WHITELIST
+ disallow_raw_sql!([condition.first],
+ permit: AttributeMethods::ClassMethods::COLUMN_NAME_WITH_ORDER
)
# Ensure we aren't dealing with a subclass of String that might
diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb
index 521375954b..16e66982e5 100644
--- a/activerecord/lib/active_record/tasks/database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/database_tasks.rb
@@ -1,5 +1,7 @@
# frozen_string_literal: true
+require "active_record/database_configurations"
+
module ActiveRecord
module Tasks # :nodoc:
class DatabaseAlreadyExists < StandardError; end # :nodoc:
@@ -8,7 +10,7 @@ module ActiveRecord
# ActiveRecord::Tasks::DatabaseTasks is a utility class, which encapsulates
# logic behind common tasks used to manage database and migrations.
#
- # The tasks defined here are used with Rake tasks provided by Active Record.
+ # The tasks defined here are used with Rails commands provided by Active Record.
#
# In order to use DatabaseTasks, a few config values need to be set. All the needed
# config values are set by Rails already, so it's necessary to do it only if you
@@ -101,16 +103,21 @@ module ActiveRecord
@env ||= Rails.env
end
+ def spec
+ @spec ||= "primary"
+ end
+
def seed_loader
@seed_loader ||= Rails.application
end
def current_config(options = {})
options.reverse_merge! env: env
+ options[:spec] ||= "primary"
if options.has_key?(:config)
@current_config = options[:config]
else
- @current_config ||= ActiveRecord::Base.configurations[options[:env]]
+ @current_config ||= ActiveRecord::Base.configurations.configs_for(env_name: options[:env], spec_name: options[:spec]).config
end
end
@@ -122,7 +129,7 @@ module ActiveRecord
$stderr.puts "Database '#{configuration['database']}' already exists" if verbose?
rescue Exception => error
$stderr.puts error
- $stderr.puts "Couldn't create database for #{configuration.inspect}"
+ $stderr.puts "Couldn't create '#{configuration['database']}' database. Please check your configuration."
raise
end
@@ -135,8 +142,8 @@ module ActiveRecord
end
def for_each
- databases = Rails.application.config.load_database_yaml
- database_configs = ActiveRecord::DatabaseConfigurations.configs_for(Rails.env, databases)
+ databases = Rails.application.config.database_configuration
+ database_configs = ActiveRecord::DatabaseConfigurations.new(databases).configs_for(env_name: Rails.env)
# if this is a single database application we don't want tasks for each primary database
return if database_configs.count == 1
@@ -180,9 +187,11 @@ module ActiveRecord
scope = ENV["SCOPE"]
verbose_was, Migration.verbose = Migration.verbose, verbose?
+
Base.connection.migration_context.migrate(target_version) do |migration|
scope.blank? || scope == migration.scope
end
+
ActiveRecord::Base.clear_cache!
ensure
Migration.verbose = verbose_was
@@ -198,8 +207,8 @@ module ActiveRecord
ENV["VERSION"].to_i if ENV["VERSION"] && !ENV["VERSION"].empty?
end
- def charset_current(environment = env)
- charset ActiveRecord::Base.configurations[environment]
+ def charset_current(environment = env, specification_name = spec)
+ charset ActiveRecord::Base.configurations.configs_for(env_name: environment, spec_name: specification_name).config
end
def charset(*arguments)
@@ -207,8 +216,8 @@ module ActiveRecord
class_for_adapter(configuration["adapter"]).new(*arguments).charset
end
- def collation_current(environment = env)
- collation ActiveRecord::Base.configurations[environment]
+ def collation_current(environment = env, specification_name = spec)
+ collation ActiveRecord::Base.configurations.configs_for(env_name: environment, spec_name: specification_name).config
end
def collation(*arguments)
@@ -248,6 +257,7 @@ module ActiveRecord
def load_schema(configuration, format = ActiveRecord::Base.schema_format, file = nil, environment = env, spec_name = "primary") # :nodoc:
file ||= dump_filename(spec_name, format)
+ verbose_was, Migration.verbose = Migration.verbose, verbose? && ENV["VERBOSE"]
check_schema_file(file)
ActiveRecord::Base.establish_connection(configuration)
@@ -261,6 +271,8 @@ module ActiveRecord
end
ActiveRecord::InternalMetadata.create_table
ActiveRecord::InternalMetadata[:environment] = environment
+ ensure
+ Migration.verbose = verbose_was
end
def schema_file(format = ActiveRecord::Base.schema_format)
@@ -339,14 +351,15 @@ module ActiveRecord
environments << "test" if environment == "development"
environments.each do |env|
- ActiveRecord::DatabaseConfigurations.configs_for(env) do |spec_name, configuration|
- yield configuration, spec_name, env
+ ActiveRecord::Base.configurations.configs_for(env_name: env).each do |db_config|
+ yield db_config.config, db_config.spec_name, env
end
end
end
def each_local_configuration
- ActiveRecord::Base.configurations.each_value do |configuration|
+ ActiveRecord::Base.configurations.configs_for.each do |db_config|
+ configuration = db_config.config
next unless configuration["database"]
if local_database?(configuration)
diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
index e697fa6def..eddc6fa223 100644
--- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
@@ -68,9 +68,7 @@ module ActiveRecord
private
- def configuration
- @configuration
- end
+ attr_reader :configuration
def configuration_without_database
configuration.merge("database" => nil)
diff --git a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
index 647e066137..533e6953a4 100644
--- a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
@@ -90,9 +90,7 @@ module ActiveRecord
private
- def configuration
- @configuration
- end
+ attr_reader :configuration
def encoding
configuration["encoding"] || DEFAULT_ENCODING
diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
index dfe599c4dd..d0bad05176 100644
--- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
@@ -60,13 +60,7 @@ module ActiveRecord
private
- def configuration
- @configuration
- end
-
- def root
- @root
- end
+ attr_reader :configuration, :root
def run_cmd(cmd, args, out)
fail run_cmd_error(cmd, args) unless Kernel.system(cmd, *args, out: out)
diff --git a/activerecord/lib/active_record/test_databases.rb b/activerecord/lib/active_record/test_databases.rb
index 606a3b0fb5..999830ba79 100644
--- a/activerecord/lib/active_record/test_databases.rb
+++ b/activerecord/lib/active_record/test_databases.rb
@@ -5,32 +5,32 @@ require "active_support/testing/parallelization"
module ActiveRecord
module TestDatabases # :nodoc:
ActiveSupport::Testing::Parallelization.after_fork_hook do |i|
- create_and_migrate(i, spec_name: Rails.env)
+ create_and_load_schema(i, env_name: Rails.env)
end
- ActiveSupport::Testing::Parallelization.run_cleanup_hook do |i|
- drop(i, spec_name: Rails.env)
+ ActiveSupport::Testing::Parallelization.run_cleanup_hook do
+ drop(env_name: Rails.env)
end
- def self.create_and_migrate(i, spec_name:)
+ def self.create_and_load_schema(i, env_name:)
old, ENV["VERBOSE"] = ENV["VERBOSE"], "false"
- connection_spec = ActiveRecord::Base.configurations[spec_name]
-
- connection_spec["database"] += "-#{i}"
- ActiveRecord::Tasks::DatabaseTasks.create(connection_spec)
- ActiveRecord::Base.establish_connection(connection_spec)
- ActiveRecord::Tasks::DatabaseTasks.migrate
+ ActiveRecord::Base.configurations.configs_for(env_name: env_name).each do |db_config|
+ db_config.config["database"] += "-#{i}"
+ ActiveRecord::Tasks::DatabaseTasks.create(db_config.config)
+ ActiveRecord::Tasks::DatabaseTasks.load_schema(db_config.config, ActiveRecord::Base.schema_format, nil, env_name, db_config.spec_name)
+ end
ensure
- ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations[Rails.env])
+ ActiveRecord::Base.establish_connection(Rails.env.to_sym)
ENV["VERBOSE"] = old
end
- def self.drop(i, spec_name:)
+ def self.drop(env_name:)
old, ENV["VERBOSE"] = ENV["VERBOSE"], "false"
- connection_spec = ActiveRecord::Base.configurations[spec_name]
- ActiveRecord::Tasks::DatabaseTasks.drop(connection_spec)
+ ActiveRecord::Base.configurations.configs_for(env_name: env_name).each do |db_config|
+ ActiveRecord::Tasks::DatabaseTasks.drop(db_config.config)
+ end
ensure
ENV["VERBOSE"] = old
end
diff --git a/activerecord/lib/rails/generators/active_record/migration.rb b/activerecord/lib/rails/generators/active_record/migration.rb
index 4ceb502c5d..4a17082d66 100644
--- a/activerecord/lib/rails/generators/active_record/migration.rb
+++ b/activerecord/lib/rails/generators/active_record/migration.rb
@@ -24,7 +24,9 @@ module ActiveRecord
end
def db_migrate_path
- if defined?(Rails.application) && Rails.application
+ if migrations_paths = options[:migrations_paths]
+ migrations_paths
+ elsif defined?(Rails.application) && Rails.application
Rails.application.config.paths["db/migrate"].to_ary.first
else
"db/migrate"
diff --git a/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb b/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
index a07b00ef79..281b7afb50 100644
--- a/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
+++ b/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
@@ -8,6 +8,7 @@ module ActiveRecord
argument :attributes, type: :array, default: [], banner: "field[:type][:index] field[:type][:index]"
class_option :primary_key_type, type: :string, desc: "The type for primary key"
+ class_option :migrations_paths, type: :string, desc: "The migration path for your generated migrations. If this is not set it will default to db/migrate"
def create_migration_file
set_local_assigns!