FIX: exact matching should also match on title

lib/search.rb

@@ -698,7 +698,7 @@ class Search
           posts = posts.where("post_search_data.search_data @@ #{ts_query(weight_filter: weights)}")
           exact_terms = @term.scan(/"([^"]+)"/).flatten
           exact_terms.each do |exact|
-            posts = posts.where("posts.raw ilike ?", "%#{exact}%")
+            posts = posts.where("posts.raw ilike :exact OR topics.title ilike :exact", exact: "%#{exact}%")
           end
         end
       end

spec/components/search_spec.rb

@@ -282,7 +282,7 @@ describe Search do
 
       it "works for unlisted topics" do
         topic.update_attributes(visible: false)
-        post = new_post('discourse is awesome', topic)
+        _post = new_post('discourse is awesome', topic)
         results = Search.execute('discourse', search_context: topic)
         expect(results.posts.length).to eq(1)
       end
@@ -312,6 +312,16 @@ describe Search do
       end
     end
 
+    context 'searching for quoted title' do
+      it "can find quoted title" do
+        create_post(raw: "this is the raw body", title: "I am a title yeah")
+        result = Search.execute('"a title yeah"')
+
+        expect(result.posts.length).to eq(1)
+      end
+
+    end
+
     context "search for a topic by id" do
       let(:result) { Search.execute(topic.id, type_filter: 'topic', search_for_id: true, min_search_term_length: 1) }