From bcfb7f514613e13144d29b1e3915d71becacc340 Mon Sep 17 00:00:00 2001
From: Alex Willemsma <alex@undergroundwebdevelopment.com>
Date: Wed, 12 Aug 2015 20:02:30 -0700
Subject: [PATCH 1/2] Add an option to disable ranking of search results
 entirely.

---
 lib/pg_search/configuration.rb |  2 +-
 lib/pg_search/scope_options.rb | 18 ++++++++++++++----
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/lib/pg_search/configuration.rb b/lib/pg_search/configuration.rb
index 36a3052a..17c78091 100644
--- a/lib/pg_search/configuration.rb
+++ b/lib/pg_search/configuration.rb
@@ -88,7 +88,7 @@ def default_options
     ].map(&:to_sym)
 
     VALID_VALUES = {
-      :ignoring => [:accents]
+      :ignoring => [:accents, :rank]
     }
 
     def assert_valid_options(options)
diff --git a/lib/pg_search/scope_options.rb b/lib/pg_search/scope_options.rb
index a8604182..abb6f91f 100644
--- a/lib/pg_search/scope_options.rb
+++ b/lib/pg_search/scope_options.rb
@@ -13,12 +13,13 @@ def initialize(config)
     end
 
     def apply(scope)
-      scope = include_table_aliasing_for_rank(scope)
-      rank_table_alias = scope.pg_search_rank_table_alias(:include_counter)
+      if @config.ignore.include? :rank
+        scope = scope.where(conditions)
+      else
+        scope = apply_ranked(scope)
+      end
 
       scope
-        .joins(rank_join(rank_table_alias))
-        .order("#{rank_table_alias}.rank DESC, #{order_within_rank}")
         .extend(DisableEagerLoading)
         .extend(WithPgSearchRank)
     end
@@ -67,6 +68,15 @@ def pg_search_scope_application_count_plus_plus
 
     delegate :connection, :quoted_table_name, :to => :model
 
+    def apply_ranked(scope)
+      scope = include_table_aliasing_for_rank(scope)
+      rank_table_alias = scope.pg_search_rank_table_alias(:include_counter)
+
+      scope
+        .joins(rank_join(rank_table_alias))
+        .order("#{rank_table_alias}.rank DESC, #{order_within_rank}")
+    end
+
     def subquery
       model
         .unscoped

From 83d07aeb5dc4b1ad25babbbafaf16698cff58eaf Mon Sep 17 00:00:00 2001
From: Alex Willemsma <alex@undergroundwebdevelopment.com>
Date: Mon, 17 Aug 2015 09:40:18 -0700
Subject: [PATCH 2/2] Add spec for option to disable ranking entirely.

---
 spec/integration/pg_search_spec.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/spec/integration/pg_search_spec.rb b/spec/integration/pg_search_spec.rb
index 1f3ad6ad..0657856a 100644
--- a/spec/integration/pg_search_spec.rb
+++ b/spec/integration/pg_search_spec.rb
@@ -1097,6 +1097,19 @@
       end
     end
 
+    context "ignoring rank" do
+      before do
+        ModelWithPgSearch.pg_search_scope :search_title_without_rank,
+          :against => :title,
+          :ignoring => :rank
+      end
+
+      it "does not use ts_rank in the query" do
+        sql = ModelWithPgSearch.search_title_without_rank("foobar").to_sql
+        expect(sql).to_not include "ts_rank"
+      end
+    end
+
     context "when passed a :ranked_by expression" do
       before do
         ModelWithPgSearch.pg_search_scope :search_content_with_default_rank,