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-rw-r--r--activerecord/lib/active_record/associations/alias_tracker.rb19
-rw-r--r--activerecord/lib/active_record/associations/association.rb2
-rw-r--r--activerecord/lib/active_record/associations/association_scope.rb21
-rw-r--r--activerecord/lib/active_record/associations/collection_association.rb7
-rw-r--r--activerecord/lib/active_record/associations/collection_proxy.rb1
-rw-r--r--activerecord/lib/active_record/associations/has_many_through_association.rb5
-rw-r--r--activerecord/lib/active_record/associations/join_dependency.rb11
-rw-r--r--activerecord/lib/active_record/associations/join_dependency/join_association.rb58
-rw-r--r--activerecord/lib/active_record/associations/preloader.rb14
-rw-r--r--activerecord/lib/active_record/associations/singular_association.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb55
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb17
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb6
-rw-r--r--activerecord/lib/active_record/fixtures.rb4
-rw-r--r--activerecord/lib/active_record/locking/optimistic.rb9
-rw-r--r--activerecord/lib/active_record/persistence.rb2
-rw-r--r--activerecord/lib/active_record/query_cache.rb12
-rw-r--r--activerecord/lib/active_record/reflection.rb40
-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb23
-rw-r--r--activerecord/lib/active_record/relation/query_methods.rb2
-rw-r--r--activerecord/lib/active_record/scoping/named.rb3
-rw-r--r--activerecord/lib/active_record/tasks/mysql_database_tasks.rb4
22 files changed, 174 insertions, 143 deletions
diff --git a/activerecord/lib/active_record/associations/alias_tracker.rb b/activerecord/lib/active_record/associations/alias_tracker.rb
index 4a5c821607..104de4f69d 100644
--- a/activerecord/lib/active_record/associations/alias_tracker.rb
+++ b/activerecord/lib/active_record/associations/alias_tracker.rb
@@ -4,21 +4,21 @@ module ActiveRecord
module Associations
# Keeps track of table aliases for ActiveRecord::Associations::JoinDependency
class AliasTracker # :nodoc:
- def self.create(connection, initial_table, type_caster)
+ def self.create(connection, initial_table)
aliases = Hash.new(0)
aliases[initial_table] = 1
- new connection, aliases, type_caster
+ new(connection, aliases)
end
- def self.create_with_joins(connection, initial_table, joins, type_caster)
+ def self.create_with_joins(connection, initial_table, joins)
if joins.empty?
- create(connection, initial_table, type_caster)
+ create(connection, initial_table)
else
aliases = Hash.new { |h, k|
h[k] = initial_count_for(connection, k, joins)
}
aliases[initial_table] = 1
- new connection, aliases, type_caster
+ new(connection, aliases)
end
end
@@ -51,17 +51,16 @@ module ActiveRecord
end
# table_joins is an array of arel joins which might conflict with the aliases we assign here
- def initialize(connection, aliases, type_caster)
+ def initialize(connection, aliases)
@aliases = aliases
@connection = connection
- @type_caster = type_caster
end
- def aliased_table_for(table_name, aliased_name)
+ def aliased_table_for(table_name, aliased_name, type_caster)
if aliases[table_name].zero?
# If it's zero, we can have our table_name
aliases[table_name] = 1
- Arel::Table.new(table_name, type_caster: @type_caster)
+ Arel::Table.new(table_name, type_caster: type_caster)
else
# Otherwise, we need to use an alias
aliased_name = @connection.table_alias_for(aliased_name)
@@ -74,7 +73,7 @@ module ActiveRecord
else
aliased_name
end
- Arel::Table.new(table_name, type_caster: @type_caster).alias(table_alias)
+ Arel::Table.new(table_name, type_caster: type_caster).alias(table_alias)
end
end
diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb
index 5c45187d8f..44cf1f8915 100644
--- a/activerecord/lib/active_record/associations/association.rb
+++ b/activerecord/lib/active_record/associations/association.rb
@@ -94,7 +94,7 @@ module ActiveRecord
# actually gets built.
def association_scope
if klass
- @association_scope ||= AssociationScope.scope(self, klass.connection)
+ @association_scope ||= AssociationScope.scope(self)
end
end
diff --git a/activerecord/lib/active_record/associations/association_scope.rb b/activerecord/lib/active_record/associations/association_scope.rb
index 1593b94f0c..6ef225b725 100644
--- a/activerecord/lib/active_record/associations/association_scope.rb
+++ b/activerecord/lib/active_record/associations/association_scope.rb
@@ -1,8 +1,8 @@
module ActiveRecord
module Associations
class AssociationScope #:nodoc:
- def self.scope(association, connection)
- INSTANCE.scope(association, connection)
+ def self.scope(association)
+ INSTANCE.scope(association)
end
def self.create(&block)
@@ -16,12 +16,12 @@ module ActiveRecord
INSTANCE = create
- def scope(association, connection)
+ def scope(association)
klass = association.klass
reflection = association.reflection
scope = klass.unscoped
owner = association.owner
- alias_tracker = AliasTracker.create connection, association.klass.table_name, klass.type_caster
+ alias_tracker = AliasTracker.create(klass.connection, klass.table_name)
chain_head, chain_tail = get_chain(reflection, association, alias_tracker)
scope.extending! reflection.extensions
@@ -112,7 +112,11 @@ module ActiveRecord
runtime_reflection = Reflection::RuntimeReflection.new(reflection, association)
previous_reflection = runtime_reflection
reflection.chain.drop(1).each do |refl|
- alias_name = tracker.aliased_table_for(refl.table_name, refl.alias_candidate(name))
+ alias_name = tracker.aliased_table_for(
+ refl.table_name,
+ refl.alias_candidate(name),
+ refl.klass.type_caster
+ )
proxy = ReflectionProxy.new(refl, alias_name)
previous_reflection.next = proxy
previous_reflection = proxy
@@ -138,7 +142,7 @@ module ActiveRecord
# Exclude the scope of the association itself, because that
# was already merged in the #scope method.
reflection.constraints.each do |scope_chain_item|
- item = eval_scope(reflection.klass, table, scope_chain_item, owner)
+ item = eval_scope(reflection, table, scope_chain_item, owner)
if scope_chain_item == refl.scope
scope.merge! item.except(:where, :includes)
@@ -159,9 +163,8 @@ module ActiveRecord
scope
end
- def eval_scope(klass, table, scope, owner)
- predicate_builder = PredicateBuilder.new(TableMetadata.new(klass, table))
- ActiveRecord::Relation.create(klass, table, predicate_builder).instance_exec(owner, &scope)
+ def eval_scope(reflection, table, scope, owner)
+ reflection.build_scope(table).instance_exec(owner, &scope)
end
end
end
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb
index 0cb17b47e8..bbf3dbb75e 100644
--- a/activerecord/lib/active_record/associations/collection_association.rb
+++ b/activerecord/lib/active_record/associations/collection_association.rb
@@ -44,10 +44,7 @@ module ActiveRecord
if loaded?
target.pluck(reflection.association_primary_key)
else
- @association_ids ||= (
- column = "#{reflection.quoted_table_name}.#{reflection.association_primary_key}"
- scope.pluck(column)
- )
+ @association_ids ||= scope.pluck(reflection.association_primary_key)
end
end
@@ -307,7 +304,7 @@ module ActiveRecord
sc = reflection.association_scope_cache(conn, owner) do
StatementCache.create(conn) { |params|
as = AssociationScope.create { params.bind }
- target_scope.merge as.scope(self, conn)
+ target_scope.merge!(as.scope(self))
}
end
diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb
index 8cdb508c43..d77fcaf668 100644
--- a/activerecord/lib/active_record/associations/collection_proxy.rb
+++ b/activerecord/lib/active_record/associations/collection_proxy.rb
@@ -1114,6 +1114,7 @@ module ActiveRecord
end
def reset_scope # :nodoc:
+ @offsets = {}
@scope = nil
self
end
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb
index 53ffb3b68d..2fd20b4368 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -109,6 +109,11 @@ module ActiveRecord
record
end
+ def remove_records(existing_records, records, method)
+ super
+ delete_through_records(records)
+ end
+
def target_reflection_has_associated_record?
!(through_reflection.belongs_to? && owner[through_reflection.foreign_key].blank?)
end
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb
index 643226267c..bc66194aef 100644
--- a/activerecord/lib/active_record/associations/join_dependency.rb
+++ b/activerecord/lib/active_record/associations/join_dependency.rb
@@ -93,7 +93,7 @@ module ActiveRecord
# joins # => []
#
def initialize(base, associations, joins, eager_loading: true)
- @alias_tracker = AliasTracker.create_with_joins(base.connection, base.table_name, joins, base.type_caster)
+ @alias_tracker = AliasTracker.create_with_joins(base.connection, base.table_name, joins)
@eager_loading = eager_loading
tree = self.class.make_tree associations
@join_root = JoinBase.new base, build(tree, base)
@@ -104,17 +104,17 @@ module ActiveRecord
join_root.drop(1).map!(&:reflection)
end
- def join_constraints(outer_joins, join_type)
+ def join_constraints(joins_to_add, join_type)
joins = join_root.children.flat_map { |child|
make_join_constraints(join_root, child, join_type)
}
- joins.concat outer_joins.flat_map { |oj|
+ joins.concat joins_to_add.flat_map { |oj|
if join_root.match? oj.join_root
walk join_root, oj.join_root
else
oj.join_root.children.flat_map { |child|
- make_outer_joins oj.join_root, child
+ make_join_constraints(oj.join_root, child, join_type)
}
end
}
@@ -185,7 +185,8 @@ module ActiveRecord
node.reflection.chain.map { |reflection|
alias_tracker.aliased_table_for(
reflection.table_name,
- table_alias_for(reflection, parent, reflection != node.reflection)
+ table_alias_for(reflection, parent, reflection != node.reflection),
+ reflection.klass.type_caster
)
}
end
diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb
index 97cfec0302..005410d598 100644
--- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb
+++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb
@@ -34,34 +34,10 @@ module ActiveRecord
table = tables.shift
klass = reflection.klass
- join_keys = reflection.join_keys
- key = join_keys.key
- foreign_key = join_keys.foreign_key
+ join_scope = reflection.join_scope(table, foreign_table, foreign_klass)
- constraint = build_constraint(klass, table, key, foreign_table, foreign_key)
-
- predicate_builder = PredicateBuilder.new(TableMetadata.new(klass, table))
- scope_chain_items = reflection.join_scopes(table, predicate_builder)
- klass_scope = reflection.klass_join_scope(table, predicate_builder)
-
- scope_chain_items.concat [klass_scope].compact
-
- rel = scope_chain_items.inject(scope_chain_items.shift) do |left, right|
- left.merge right
- end
-
- if rel && !rel.arel.constraints.empty?
- binds += rel.bound_attributes
- constraint = constraint.and rel.arel.constraints
- end
-
- if reflection.type
- value = foreign_klass.base_class.name
- column = klass.columns_hash[reflection.type.to_s]
-
- binds << Relation::QueryAttribute.new(column.name, value, klass.type_for_attribute(column.name))
- constraint = constraint.and klass.arel_attribute(reflection.type, table).eq(Arel::Nodes::BindParam.new)
- end
+ binds.concat join_scope.bound_attributes
+ constraint = join_scope.arel.constraints
joins << table.create_join(table, table.create_on(constraint), join_type)
@@ -72,34 +48,6 @@ module ActiveRecord
JoinInformation.new joins, binds
end
- # Builds equality condition.
- #
- # Example:
- #
- # class Physician < ActiveRecord::Base
- # has_many :appointments
- # end
- #
- # If I execute `Physician.joins(:appointments).to_a` then
- # klass # => Physician
- # table # => #<Arel::Table @name="appointments" ...>
- # key # => physician_id
- # foreign_table # => #<Arel::Table @name="physicians" ...>
- # foreign_key # => id
- #
- def build_constraint(klass, table, key, foreign_table, foreign_key)
- constraint = table[key].eq(foreign_table[foreign_key])
-
- if klass.finder_needs_type_condition?
- constraint = table.create_and([
- constraint,
- klass.send(:type_condition, table)
- ])
- end
-
- constraint
- end
-
def table
tables.first
end
diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb
index 9f77f38b35..208d1b2670 100644
--- a/activerecord/lib/active_record/associations/preloader.rb
+++ b/activerecord/lib/active_record/associations/preloader.rb
@@ -147,7 +147,7 @@ module ActiveRecord
def preloaders_for_one(association, records, scope)
grouped_records(association, records).flat_map do |reflection, klasses|
klasses.map do |rhs_klass, rs|
- loader = preloader_for(reflection, rs, rhs_klass).new(rhs_klass, rs, reflection, scope)
+ loader = preloader_for(reflection, rs).new(rhs_klass, rs, reflection, scope)
loader.run self
loader
end
@@ -159,6 +159,7 @@ module ActiveRecord
records.each do |record|
next unless record
assoc = record.association(association)
+ next unless assoc.klass
klasses = h[assoc.reflection] ||= {}
(klasses[assoc.klass] ||= []) << record
end
@@ -180,20 +181,11 @@ module ActiveRecord
end
end
- class NullPreloader # :nodoc:
- def self.new(klass, owners, reflection, preload_scope); self; end
- def self.run(preloader); end
- def self.preloaded_records; []; end
- def self.owners; []; end
- end
-
# Returns a class containing the logic needed to load preload the data
# and attach it to a relation. For example +Preloader::Association+ or
# +Preloader::HasManyThrough+. The class returned implements a `run` method
# that accepts a preloader.
- def preloader_for(reflection, owners, rhs_klass)
- return NullPreloader unless rhs_klass
-
+ def preloader_for(reflection, owners)
if owners.first.association(reflection.name).loaded?
return AlreadyLoaded
end
diff --git a/activerecord/lib/active_record/associations/singular_association.rb b/activerecord/lib/active_record/associations/singular_association.rb
index 2b426da607..f8bbe4c2ed 100644
--- a/activerecord/lib/active_record/associations/singular_association.rb
+++ b/activerecord/lib/active_record/associations/singular_association.rb
@@ -43,7 +43,7 @@ module ActiveRecord
sc = reflection.association_scope_cache(conn, owner) do
StatementCache.create(conn) { |params|
as = AssociationScope.create { params.bind }
- target_scope.merge(as.scope(self, conn)).limit(1)
+ target_scope.merge!(as.scope(self)).limit(1)
}
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 56f0d6d1f4..af5314c1d6 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -296,6 +296,9 @@ module ActiveRecord
# Inserts the given fixture into the table. Overridden in adapters that require
# something beyond a simple insert (eg. Oracle).
+ # Most of adapters should implement `insert_fixtures` that leverages bulk SQL insert.
+ # We keep this method to provide fallback
+ # for databases like sqlite that do not support bulk inserts.
def insert_fixture(fixture, table_name)
fixture = fixture.stringify_keys
@@ -312,12 +315,7 @@ module ActiveRecord
table = Arel::Table.new(table_name)
values = binds.map do |bind|
- value = bind.value_for_database
- begin
- quote(value)
- rescue TypeError
- value = YAML.dump(value)
- end
+ value = with_yaml_fallback(bind.value_for_database)
[table[bind.name], value]
end
@@ -327,6 +325,40 @@ module ActiveRecord
execute manager.to_sql, "Fixture Insert"
end
+ # Inserts a set of fixtures into the table. Overridden in adapters that require
+ # something beyond a simple insert (eg. Oracle).
+ def insert_fixtures(fixtures, table_name)
+ return if fixtures.empty?
+
+ columns = schema_cache.columns_hash(table_name)
+
+ values = fixtures.map do |fixture|
+ fixture = fixture.stringify_keys
+
+ unknown_columns = fixture.keys - columns.keys
+ if unknown_columns.any?
+ raise Fixture::FixtureError, %(table "#{table_name}" has no columns named #{unknown_columns.map(&:inspect).join(', ')}.)
+ end
+
+ columns.map do |name, column|
+ if fixture.key?(name)
+ type = lookup_cast_type_from_column(column)
+ bind = Relation::QueryAttribute.new(name, fixture[name], type)
+ with_yaml_fallback(bind.value_for_database)
+ else
+ Arel.sql("DEFAULT")
+ end
+ end
+ end
+
+ table = Arel::Table.new(table_name)
+ manager = Arel::InsertManager.new
+ manager.into(table)
+ columns.each_key { |column| manager.columns << table[column] }
+ manager.values = manager.create_values_list(values)
+ execute manager.to_sql, "Fixtures Insert"
+ end
+
def empty_insert_statement_value
"DEFAULT VALUES"
end
@@ -388,6 +420,17 @@ module ActiveRecord
end
[relation, binds]
end
+
+ # Fixture value is quoted by Arel, however scalar values
+ # are not quotable. In this case we want to convert
+ # the column value to YAML.
+ def with_yaml_fallback(value)
+ if value.is_a?(Hash) || value.is_a?(Array)
+ YAML.dump(value)
+ else
+ value
+ end
+ end
end
end
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 648c869915..c42e80ea2c 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -526,8 +526,25 @@ module ActiveRecord
index.using == :btree || super
end
+ def insert_fixtures(*)
+ without_sql_mode("NO_AUTO_VALUE_ON_ZERO") { super }
+ end
+
private
+ def without_sql_mode(mode)
+ result = execute("SELECT @@SESSION.sql_mode")
+ current_mode = result.first[0]
+ return yield unless current_mode.include?(mode)
+
+ sql_mode = "REPLACE(@@sql_mode, '#{mode}', '')"
+ execute("SET @@SESSION.sql_mode = #{sql_mode}")
+ yield
+ ensure
+ sql_mode = "CONCAT(@@sql_mode, ',#{mode}')"
+ execute("SET @@SESSION.sql_mode = #{sql_mode}")
+ end
+
def initialize_type_map(m)
super
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index 7233325d5a..ee2faf43b5 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -349,6 +349,12 @@ module ActiveRecord
end
end
+ def insert_fixtures(rows, table_name)
+ rows.each do |row|
+ insert_fixture(row, table_name)
+ end
+ end
+
private
def table_structure(table_name)
diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb
index a6b66c91e3..e9acb8acae 100644
--- a/activerecord/lib/active_record/fixtures.rb
+++ b/activerecord/lib/active_record/fixtures.rb
@@ -567,9 +567,7 @@ module ActiveRecord
end
table_rows.each do |fixture_set_name, rows|
- rows.each do |row|
- conn.insert_fixture(row, fixture_set_name)
- end
+ conn.insert_fixtures(rows, fixture_set_name)
end
# Cap primary key sequences to max(pk).
diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb
index 3c7110369b..522da6a571 100644
--- a/activerecord/lib/active_record/locking/optimistic.rb
+++ b/activerecord/lib/active_record/locking/optimistic.rb
@@ -62,8 +62,8 @@ module ActiveRecord
def increment_lock
lock_col = self.class.locking_column
- previous_lock_value = send(lock_col).to_i
- send(lock_col + "=", previous_lock_value + 1)
+ previous_lock_value = send(lock_col)
+ send("#{lock_col}=", previous_lock_value + 1)
end
def _create_record(attribute_names = self.attribute_names, *)
@@ -107,7 +107,8 @@ module ActiveRecord
# If something went wrong, revert the locking_column value.
rescue Exception
- send(lock_col + "=", previous_lock_value.to_i)
+ send("#{lock_col}=", previous_lock_value.to_i)
+
raise
end
end
@@ -127,7 +128,7 @@ module ActiveRecord
if locking_enabled?
locking_column = self.class.locking_column
- relation = relation.where(locking_column => _read_attribute(locking_column))
+ relation = relation.where(locking_column => read_attribute_before_type_cast(locking_column))
end
relation
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index f652c7c3a1..b2dba5516e 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -526,7 +526,7 @@ module ActiveRecord
if locking_enabled?
locking_column = self.class.locking_column
- scope = scope.where(locking_column => _read_attribute(locking_column))
+ scope = scope.where(locking_column => read_attribute_before_type_cast(locking_column))
changes[locking_column] = increment_lock
end
diff --git a/activerecord/lib/active_record/query_cache.rb b/activerecord/lib/active_record/query_cache.rb
index ec246e97bc..e4c2e1f86f 100644
--- a/activerecord/lib/active_record/query_cache.rb
+++ b/activerecord/lib/active_record/query_cache.rb
@@ -5,20 +5,20 @@ module ActiveRecord
# Enable the query cache within the block if Active Record is configured.
# If it's not, it will execute the given block.
def cache(&block)
- if connected?
- connection.cache(&block)
- else
+ if configurations.empty?
yield
+ else
+ connection.cache(&block)
end
end
# Disable the query cache within the block if Active Record is configured.
# If it's not, it will execute the given block.
def uncached(&block)
- if connected?
- connection.uncached(&block)
- else
+ if configurations.empty?
yield
+ else
+ connection.uncached(&block)
end
end
end
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
index e8ee8279fd..72e0fcbdf4 100644
--- a/activerecord/lib/active_record/reflection.rb
+++ b/activerecord/lib/active_record/reflection.rb
@@ -171,7 +171,7 @@ module ActiveRecord
JoinKeys = Struct.new(:key, :foreign_key) # :nodoc:
def join_keys
- get_join_keys klass
+ @join_keys ||= get_join_keys(klass)
end
# Returns a list of scopes that should be applied for this Reflection
@@ -185,10 +185,30 @@ module ActiveRecord
end
deprecate :scope_chain
+ def join_scope(table, foreign_table, foreign_klass)
+ predicate_builder = predicate_builder(table)
+ scope_chain_items = join_scopes(table, predicate_builder)
+ klass_scope = klass_join_scope(table, predicate_builder)
+
+ key = join_keys.key
+ foreign_key = join_keys.foreign_key
+
+ klass_scope.where!(table[key].eq(foreign_table[foreign_key]))
+
+ if klass.finder_needs_type_condition?
+ klass_scope.where!(klass.send(:type_condition, table))
+ end
+
+ if type
+ klass_scope.where!(type => foreign_klass.base_class.sti_name)
+ end
+
+ scope_chain_items.inject(klass_scope, &:merge!)
+ end
+
def join_scopes(table, predicate_builder) # :nodoc:
if scope
- [ActiveRecord::Relation.create(klass, table, predicate_builder)
- .instance_exec(&scope)]
+ [build_scope(table, predicate_builder).instance_exec(&scope)]
else
[]
end
@@ -200,12 +220,7 @@ module ActiveRecord
scope.joins_values = scope.left_outer_joins_values = [].freeze
}
else
- relation = ActiveRecord::Relation.create(
- klass,
- table,
- predicate_builder,
- )
- klass.send(:build_default_scope, relation)
+ klass.default_scoped(build_scope(table, predicate_builder))
end
end
@@ -287,12 +302,19 @@ module ActiveRecord
JoinKeys.new(join_pk(association_klass), join_fk)
end
+ def build_scope(table, predicate_builder = predicate_builder(table))
+ Relation.create(klass, table, predicate_builder)
+ end
+
protected
def actual_source_reflection # FIXME: this is a horrible name
self
end
private
+ def predicate_builder(table)
+ PredicateBuilder.new(TableMetadata.new(klass, table))
+ end
def join_pk(_)
foreign_key
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index 47f42bf4ca..df8909379f 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -147,8 +147,7 @@ module ActiveRecord
def last(limit = nil)
return find_last(limit) if loaded? || limit_value
- result = limit(limit)
- result.order!(arel_attribute(primary_key)) if order_values.empty? && primary_key
+ result = ordered_relation.limit(limit)
result = result.reverse_order!
limit ? result.reverse : result.first
@@ -533,11 +532,7 @@ module ActiveRecord
if loaded?
records[index, limit] || []
else
- relation = if order_values.empty? && primary_key
- order(arel_attribute(primary_key).asc)
- else
- self
- end
+ relation = ordered_relation
if limit_value.nil? || index < limit_value
relation = relation.offset(offset_index + index) unless index.zero?
@@ -552,11 +547,7 @@ module ActiveRecord
if loaded?
records[-index]
else
- relation = if order_values.empty? && primary_key
- order(arel_attribute(primary_key).asc)
- else
- self
- end
+ relation = ordered_relation
relation.to_a[-index]
# TODO: can be made more performant on large result sets by
@@ -570,5 +561,13 @@ module ActiveRecord
def find_last(limit)
limit ? records.last(limit) : records.last
end
+
+ def ordered_relation
+ if order_values.empty? && primary_key
+ order(arel_attribute(primary_key).asc)
+ else
+ self
+ end
+ end
end
end
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index 6ccdd7adcb..d44f6fd572 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -1122,7 +1122,7 @@ module ActiveRecord
validate_order_args(order_args)
references = order_args.grep(String)
- references.map! { |arg| arg =~ /^([a-zA-Z]\w*)\.(\w+)/ && $1 }.compact!
+ references.map! { |arg| arg =~ /^\W?(\w+)\W?\./ && $1 }.compact!
references!(references) if references.any?
# if a symbol is given we prepend the quoted table name
diff --git a/activerecord/lib/active_record/scoping/named.rb b/activerecord/lib/active_record/scoping/named.rb
index a61fdd6454..388f471bf5 100644
--- a/activerecord/lib/active_record/scoping/named.rb
+++ b/activerecord/lib/active_record/scoping/named.rb
@@ -29,8 +29,7 @@ module ActiveRecord
end
end
- def default_scoped # :nodoc:
- scope = relation
+ def default_scoped(scope = relation) # :nodoc:
build_default_scope(scope) || scope
end
diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
index 541165b3d1..c25d87dd3e 100644
--- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
@@ -59,7 +59,6 @@ module ActiveRecord
args.concat(["--no-data"])
args.concat(["--routines"])
args.concat(["--skip-comments"])
- args.concat(Array(extra_flags)) if extra_flags
ignore_tables = ActiveRecord::SchemaDumper.ignore_tables
if ignore_tables.any?
@@ -67,6 +66,7 @@ module ActiveRecord
end
args.concat(["#{configuration['database']}"])
+ args.unshift(*extra_flags) if extra_flags
run_cmd("mysqldump", args, "dumping")
end
@@ -75,7 +75,7 @@ module ActiveRecord
args = prepare_command_options
args.concat(["--execute", %{SET FOREIGN_KEY_CHECKS = 0; SOURCE #{filename}; SET FOREIGN_KEY_CHECKS = 1}])
args.concat(["--database", "#{configuration['database']}"])
- args.concat(Array(extra_flags)) if extra_flags
+ args.unshift(*extra_flags) if extra_flags
run_cmd("mysql", args, "loading")
end