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-rw-r--r--activerecord/lib/active_record/associations/has_one_through_association.rb4
-rw-r--r--activerecord/lib/active_record/associations/join_dependency.rb2
-rw-r--r--activerecord/lib/active_record/associations/join_dependency/join_association.rb8
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb2
-rw-r--r--activerecord/lib/active_record/reflection.rb72
-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb4
6 files changed, 37 insertions, 55 deletions
diff --git a/activerecord/lib/active_record/associations/has_one_through_association.rb b/activerecord/lib/active_record/associations/has_one_through_association.rb
index 604904abcc..1183bdf6f4 100644
--- a/activerecord/lib/active_record/associations/has_one_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_one_through_association.rb
@@ -22,6 +22,10 @@ module ActiveRecord
elsif record
attributes = construct_join_attributes(record)
+ if through_record && through_record.destroyed?
+ through_record = through_proxy.tap(&:reload).target
+ end
+
if through_record
through_record.update(attributes)
elsif owner.new_record?
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb
index a79eb03acc..87e0847ec1 100644
--- a/activerecord/lib/active_record/associations/join_dependency.rb
+++ b/activerecord/lib/active_record/associations/join_dependency.rb
@@ -171,7 +171,7 @@ module ActiveRecord
chain = child.reflection.chain
foreign_table = parent.table
foreign_klass = parent.base_klass
- child.join_constraints(foreign_table, foreign_klass, child, join_type, tables, child.reflection.scope_chain, chain)
+ child.join_constraints(foreign_table, foreign_klass, child, join_type, tables, chain)
end
def make_outer_joins(parent, child)
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 a5705951f3..f5fcba1236 100644
--- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb
+++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb
@@ -23,14 +23,11 @@ module ActiveRecord
JoinInformation = Struct.new :joins, :binds
- def join_constraints(foreign_table, foreign_klass, node, join_type, tables, scope_chain, chain)
+ def join_constraints(foreign_table, foreign_klass, node, join_type, tables, chain)
joins = []
binds = []
tables = tables.reverse
- scope_chain_index = 0
- scope_chain = scope_chain.reverse
-
# The chain starts with the target table, but we want to end with it here (makes
# more sense in this context), so we reverse
chain.reverse_each do |reflection|
@@ -44,7 +41,7 @@ module ActiveRecord
constraint = build_constraint(klass, table, key, foreign_table, foreign_key)
predicate_builder = PredicateBuilder.new(TableMetadata.new(klass, table))
- scope_chain_items = scope_chain[scope_chain_index].map do |item|
+ scope_chain_items = reflection.scopes.map do |item|
if item.is_a?(Relation)
item
else
@@ -52,7 +49,6 @@ module ActiveRecord
.instance_exec(node, &item)
end
end
- scope_chain_index += 1
klass_scope =
if klass.current_scope
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 315d70c33f..a2c5ef6817 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -438,7 +438,7 @@ module ActiveRecord
end
end
- def get_oid_type(oid, fmod, column_name, sql_type = "")
+ def get_oid_type(oid, fmod, column_name, sql_type = "".freeze)
if !type_map.key?(oid)
load_additional_types(type_map, [oid])
end
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
index 2c8c4b6297..81ec4924b0 100644
--- a/activerecord/lib/active_record/reflection.rb
+++ b/activerecord/lib/active_record/reflection.rb
@@ -1,5 +1,6 @@
require "thread"
require "active_support/core_ext/string/filters"
+require "active_support/deprecation"
module ActiveRecord
# = Active Record Reflection
@@ -175,8 +176,19 @@ module ActiveRecord
JoinKeys.new(foreign_key, active_record_primary_key)
end
+ # Returns a list of scopes that should be applied for this Reflection
+ # object when querying the database.
+ def scopes
+ scope ? [scope] : []
+ end
+
+ def scope_chain
+ chain.map(&:scopes)
+ end
+ deprecate :scope_chain
+
def constraints
- scope_chain.flatten
+ chain.map(&:scopes).flatten
end
def counter_cache_column
@@ -461,12 +473,6 @@ module ActiveRecord
false
end
- # An array of arrays of scopes. Each item in the outside array corresponds to a reflection
- # in the #chain.
- def scope_chain
- scope ? [[scope]] : [[]]
- end
-
def has_scope?
scope
end
@@ -796,45 +802,12 @@ module ActiveRecord
through_reflection.clear_association_scope_cache
end
- # Consider the following example:
- #
- # class Person
- # has_many :articles
- # has_many :comment_tags, through: :articles
- # end
- #
- # class Article
- # has_many :comments
- # has_many :comment_tags, through: :comments, source: :tags
- # end
- #
- # class Comment
- # has_many :tags
- # end
- #
- # There may be scopes on Person.comment_tags, Article.comment_tags and/or Comment.tags,
- # but only Comment.tags will be represented in the #chain. So this method creates an array
- # of scopes corresponding to the chain.
- def scope_chain
- @scope_chain ||= begin
- scope_chain = source_reflection.scope_chain.map(&:dup)
-
- # Add to it the scope from this reflection (if any)
- scope_chain.first << scope if scope
-
- through_scope_chain = through_reflection.scope_chain.map(&:dup)
-
- if options[:source_type]
- type = foreign_type
- source_type = options[:source_type]
- through_scope_chain.first << lambda { |object|
- where(type => source_type)
- }
- end
+ def scopes
+ source_reflection.scopes + super
+ end
- # Recursively fill out the rest of the array from the through reflection
- scope_chain + through_scope_chain
- end
+ def source_type_scope
+ through_reflection.klass.where(foreign_type => options[:source_type])
end
def has_scope?
@@ -1008,6 +981,15 @@ module ActiveRecord
@previous_reflection = previous_reflection
end
+ def scopes
+ scopes = @previous_reflection.scopes
+ if @previous_reflection.options[:source_type]
+ scopes + [@previous_reflection.source_type_scope]
+ else
+ scopes
+ end
+ end
+
def klass
@reflection.klass
end
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index 6663bdb244..4548944fe6 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -17,8 +17,8 @@ module ActiveRecord
# Person.where("administrator = 1").order("created_on DESC").find(1)
#
# NOTE: The returned records may not be in the same order as the ids you
- # provide since database rows are unordered. You'd need to provide an explicit QueryMethods#order
- # option if you want the results are sorted.
+ # provide since database rows are unordered. You will need to provide an explicit QueryMethods#order
+ # option if you want the results to be sorted.
#
# ==== Find with lock
#