lib/elasticsearch/model/adapters/multiple.rb in elasticsearch-model-6.1.2 vs lib/elasticsearch/model/adapters/multiple.rb in elasticsearch-model-7.0.0.pre

@@ -1,5 +1,22 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 module Elasticsearch
   module Model
     module Adapter
 
       # An adapter to be used for deserializing results from multiple models,
@@ -56,12 +73,12 @@
             case
               when Elasticsearch::Model::Adapter::ActiveRecord.equal?(adapter)
                 klass.where(klass.primary_key => ids)
               when Elasticsearch::Model::Adapter::Mongoid.equal?(adapter)
                 klass.where(:id.in => ids)
-              else
-                klass.find(ids)
+            else
+              klass.find(ids)
             end
           end
 
           # Returns the record IDs grouped by class based on type `_type`
           #
@@ -89,14 +106,22 @@
           # @api private
           #
           def __type_for_hit(hit)
             @@__types ||= {}
 
-            @@__types[ "#{hit[:_index]}::#{hit[:_type]}" ] ||= begin
+            key = "#{hit[:_index]}::#{hit[:_type]}" if hit[:_type] && hit[:_type] != '_doc'
+            key = hit[:_index] unless key
+
+            @@__types[key] ||= begin
               Registry.all.detect do |model|
-                model.index_name == hit[:_index] && model.document_type == hit[:_type]
+                (model.index_name == hit[:_index] && __no_type?(hit)) ||
+                    (model.index_name == hit[:_index] && model.document_type == hit[:_type])
               end
             end
+          end
+
+          def __no_type?(hit)
+            hit[:_type].nil? || hit[:_type] == '_doc'
           end
 
           # Returns the adapter registered for a particular `klass` or `nil` if not available
           #
           # @api private