Support newer pg and activerecord versions

Author: quadule

activerecord-postgresql-cube.gemspec

@@ -19,9 +19,8 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "activerecord", ">= 5.0"
-  spec.add_dependency "pg", "~> 0.18", ">= 0.18.4"
+  spec.add_dependency "pg", ">= 0.18.4"
 
-  spec.add_development_dependency "bundler", "~> 1.11"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency "rake", ">= 12.3.3"
+  spec.add_development_dependency "rspec", ">= 3.0"
 end

lib/activerecord-postgresql-cube/type.rb

@@ -54,8 +54,8 @@ class PostgreSQLAdapter
     end
 
     class TableDefinition
-      def cube(name, options = {})
-        column(name, "cube", options)
+      def cube(name, **args)
+        column(name, "cube", **args)
       end
     end
   end

spec/model_spec.rb

@@ -7,7 +7,7 @@
     let(:scope) { thing.similar_by_cube_distance(:features) }
 
     it "generates the correct SQL" do
-      expect(scope.to_sql).to eq %{SELECT "things".*, "things"."features" <-> '(0.2,0.5,0.3,0.7)' AS "features_distance" FROM "things" WHERE ("things"."id" != 1) ORDER BY "features_distance"}
+      expect(scope.to_sql).to match %r{SELECT "things".*, "things"."features" <-> '\(0.2,0.5,0.3,0.7\)' AS "features_distance" FROM "things" WHERE \(?"things"."id" != 1\)? ORDER BY "features_distance"}
     end
   end
 end