diff options
Diffstat (limited to 'activerecord/lib/active_record/associations.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations.rb | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index dc466eafc2..08a4ebfd7e 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -118,7 +118,7 @@ module ActiveRecord def clear_association_cache #:nodoc: self.class.reflect_on_all_associations.to_a.each do |assoc| instance_variable_set "@#{assoc.name}", nil - end unless self.new_record? + end if self.persisted? end private @@ -1839,8 +1839,6 @@ module ActiveRecord @join_parts = [JoinBase.new(base, joins)] @associations = {} @reflections = [] - @base_records_hash = {} - @base_records_in_order = [] @table_aliases = Hash.new(0) @table_aliases[base.table_name] = 1 build(associations) @@ -1874,15 +1872,18 @@ module ActiveRecord end def instantiate(rows) - rows.each_with_index do |row, i| - primary_id = join_base.record_id(row) - unless @base_records_hash[primary_id] - @base_records_in_order << (@base_records_hash[primary_id] = join_base.instantiate(row)) - end - construct(@base_records_hash[primary_id], @associations, join_associations.dup, row) - end - remove_duplicate_results!(join_base.active_record, @base_records_in_order, @associations) - return @base_records_in_order + primary_key = join_base.aliased_primary_key + parents = {} + + records = rows.map { |model| + primary_id = model[primary_key] + parent = parents[primary_id] ||= join_base.instantiate(model) + construct(parent, @associations, join_associations.dup, model) + parent + }.uniq + + remove_duplicate_results!(join_base.active_record, records, @associations) + records end def remove_duplicate_results!(base, records, associations) @@ -1982,10 +1983,13 @@ module ActiveRecord def construct(parent, associations, join_parts, row) case associations when Symbol, String + name = associations.to_s + join_part = join_parts.detect { |j| - j.reflection.name.to_s == associations.to_s && + j.reflection.name.to_s == name && j.parent_table_name == parent.class.table_name } - raise(ConfigurationError, "No such association") if join_part.nil? + + raise(ConfigurationError, "No such association") unless join_part join_parts.delete(join_part) construct_association(parent, join_part, row) @@ -1995,13 +1999,7 @@ module ActiveRecord end when Hash associations.sort_by { |k,_| k.to_s }.each do |name, assoc| - join_part = join_parts.detect{ |j| - j.reflection.name.to_s == name.to_s && - j.parent_table_name == parent.class.table_name } - raise(ConfigurationError, "No such association") if join_part.nil? - - association = construct_association(parent, join_part, row) - join_parts.delete(join_part) + association = construct(parent, name, join_parts, row) construct(association, assoc, join_parts, row) if association end else |