diff options
Diffstat (limited to 'activerecord/lib/active_record/associations')
5 files changed, 23 insertions, 27 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_scope.rb b/activerecord/lib/active_record/associations/association_scope.rb index 1593b94f0c..1744dc785f 100644 --- a/activerecord/lib/active_record/associations/association_scope.rb +++ b/activerecord/lib/active_record/associations/association_scope.rb @@ -21,7 +21,7 @@ module ActiveRecord 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 connection, association.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_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/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb index 83e5c23cc4..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) @@ -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..95f16c622e 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -40,15 +40,7 @@ module ActiveRecord 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 + rel = reflection.join_scope(table) if rel && !rel.arel.constraints.empty? binds += rel.bound_attributes |