diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/preloader/association.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/preloader/association.rb | 142 |
1 files changed, 71 insertions, 71 deletions
diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb index 3032bc786e..a8afa48865 100644 --- a/activerecord/lib/active_record/associations/preloader/association.rb +++ b/activerecord/lib/active_record/associations/preloader/association.rb @@ -61,99 +61,99 @@ module ActiveRecord private - def associated_records_by_owner(preloader) - records = load_records - owners.each_with_object({}) do |owner, result| - result[owner] = records[convert_key(owner[owner_key_name])] || [] + def associated_records_by_owner(preloader) + records = load_records + owners.each_with_object({}) do |owner, result| + result[owner] = records[convert_key(owner[owner_key_name])] || [] + end end - end - def owner_keys - unless defined?(@owner_keys) - @owner_keys = owners.map do |owner| - owner[owner_key_name] + def owner_keys + unless defined?(@owner_keys) + @owner_keys = owners.map do |owner| + owner[owner_key_name] + end + @owner_keys.uniq! + @owner_keys.compact! end - @owner_keys.uniq! - @owner_keys.compact! + @owner_keys end - @owner_keys - end - def key_conversion_required? - @key_conversion_required ||= association_key_type != owner_key_type - end + def key_conversion_required? + @key_conversion_required ||= association_key_type != owner_key_type + end - def convert_key(key) - if key_conversion_required? - key.to_s - else - key + def convert_key(key) + if key_conversion_required? + key.to_s + else + key + end end - end - def association_key_type - @klass.type_for_attribute(association_key_name.to_s).type - end + def association_key_type + @klass.type_for_attribute(association_key_name.to_s).type + end - def owner_key_type - @model.type_for_attribute(owner_key_name.to_s).type - end + def owner_key_type + @model.type_for_attribute(owner_key_name.to_s).type + end - def load_records - return {} if owner_keys.empty? - # Some databases impose a limit on the number of ids in a list (in Oracle it's 1000) - # Make several smaller queries if necessary or make one query if the adapter supports it - slices = owner_keys.each_slice(klass.connection.in_clause_length || owner_keys.size) - @preloaded_records = slices.flat_map do |slice| - records_for(slice) + def load_records + return {} if owner_keys.empty? + # Some databases impose a limit on the number of ids in a list (in Oracle it's 1000) + # Make several smaller queries if necessary or make one query if the adapter supports it + slices = owner_keys.each_slice(klass.connection.in_clause_length || owner_keys.size) + @preloaded_records = slices.flat_map do |slice| + records_for(slice) + end + @preloaded_records.group_by do |record| + convert_key(record[association_key_name]) + end end - @preloaded_records.group_by do |record| - convert_key(record[association_key_name]) + + def reflection_scope + @reflection_scope ||= reflection.scope ? klass.unscoped.instance_exec(nil, &reflection.scope) : klass.unscoped end - end - def reflection_scope - @reflection_scope ||= reflection.scope ? klass.unscoped.instance_exec(nil, &reflection.scope) : klass.unscoped - end + def build_scope + scope = klass.unscoped - def build_scope - scope = klass.unscoped + values = reflection_scope.values + preload_values = preload_scope.values - values = reflection_scope.values - preload_values = preload_scope.values + scope.where_clause = reflection_scope.where_clause + preload_scope.where_clause + scope.references_values = Array(values[:references]) + Array(preload_values[:references]) - scope.where_clause = reflection_scope.where_clause + preload_scope.where_clause - scope.references_values = Array(values[:references]) + Array(preload_values[:references]) + if preload_values[:select] || values[:select] + scope._select!(preload_values[:select] || values[:select]) + end + scope.includes! preload_values[:includes] || values[:includes] + if preload_scope.joins_values.any? + scope.joins!(preload_scope.joins_values) + else + scope.joins!(reflection_scope.joins_values) + end - if preload_values[:select] || values[:select] - scope._select!(preload_values[:select] || values[:select]) - end - scope.includes! preload_values[:includes] || values[:includes] - if preload_scope.joins_values.any? - scope.joins!(preload_scope.joins_values) - else - scope.joins!(reflection_scope.joins_values) - end + if order_values = preload_values[:order] || values[:order] + scope.order!(order_values) + end - if order_values = preload_values[:order] || values[:order] - scope.order!(order_values) - end + if preload_values[:reordering] || values[:reordering] + scope.reordering_value = true + end - if preload_values[:reordering] || values[:reordering] - scope.reordering_value = true - end + if preload_values[:readonly] || values[:readonly] + scope.readonly! + end - if preload_values[:readonly] || values[:readonly] - scope.readonly! - end + if options[:as] + scope.where!(klass.table_name => { reflection.type => model.base_class.sti_name }) + end - if options[:as] - scope.where!(klass.table_name => { reflection.type => model.base_class.sti_name }) + scope.unscope_values = Array(values[:unscope]) + Array(preload_values[:unscope]) + klass.default_scoped.merge(scope) end - - scope.unscope_values = Array(values[:unscope]) + Array(preload_values[:unscope]) - klass.default_scoped.merge(scope) - end end end end |