diff options
Diffstat (limited to 'activerecord/lib/active_record/relation.rb')
| -rw-r--r-- | activerecord/lib/active_record/relation.rb | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 317af8a15d..2d0861d5c9 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -1,4 +1,5 @@ require 'active_support/core_ext/object/blank' +require 'active_support/core_ext/module/delegation' module ActiveRecord # = Active Record Relation @@ -6,7 +7,7 @@ module ActiveRecord JoinOperation = Struct.new(:relation, :join_class, :on) ASSOCIATION_METHODS = [:includes, :eager_load, :preload] MULTI_VALUE_METHODS = [:select, :group, :order, :joins, :where, :having, :bind] - SINGLE_VALUE_METHODS = [:limit, :offset, :lock, :readonly, :create_with, :from, :reorder, :reverse_order] + SINGLE_VALUE_METHODS = [:limit, :offset, :lock, :readonly, :from, :reorder, :reverse_order] include FinderMethods, Calculations, SpawnMethods, QueryMethods, Batches @@ -29,6 +30,7 @@ module ActiveRecord SINGLE_VALUE_METHODS.each {|v| instance_variable_set(:"@#{v}_value", nil)} (ASSOCIATION_METHODS + MULTI_VALUE_METHODS).each {|v| instance_variable_set(:"@#{v}_values", [])} @extensions = [] + @create_with_value = {} end def insert(values) @@ -248,8 +250,7 @@ module ActiveRecord # Person.update(people.keys, people.values) def update(id, attributes) if id.is_a?(Array) - idx = -1 - id.collect { |one_id| idx += 1; update(one_id, attributes[idx]) } + id.each.with_index.map {|one_id, idx| update(one_id, attributes[idx])} else object = find(id) object.update_attributes(attributes) @@ -403,11 +404,21 @@ module ActiveRecord end def scope_for_create - @scope_for_create ||= where_values_hash.merge(@create_with_value || {}) + @scope_for_create ||= where_values_hash.merge(create_with_value) end def eager_loading? - @should_eager_load ||= (@eager_load_values.any? || (@includes_values.any? && references_eager_loaded_tables?)) + @should_eager_load ||= + @eager_load_values.any? || + @includes_values.any? && (joined_includes_values.any? || references_eager_loaded_tables?) + end + + # Joins that are also marked for preloading. In which case we should just eager load them. + # Note that this is a naive implementation because we could have strings and symbols which + # represent the same association, but that aren't matched by this. Also, we could have + # nested hashes which partially match, e.g. { :a => :b } & { :a => [:b, :c] } + def joined_includes_values + @includes_values & @joins_values end def ==(other) |