1 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
index a0a22ba0f1..9fdeab06c1 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
@@ -101,6 +101,8 @@ module ActiveRecord
               end
             when OID::Array::Data
               _quote(encode_array(value))
+            when Range
+              _quote(encode_range(value))
             else
               super
             end
@@ -117,6 +119,8 @@ module ActiveRecord
               value.to_s
             when OID::Array::Data
               encode_array(value)
+            when Range
+              encode_range(value)
             else
               super
             end
@@ -133,6 +137,10 @@ module ActiveRecord
             result
           end
 
+          def encode_range(range)
+            "[#{type_cast(range.first)},#{type_cast(range.last)}#{range.exclude_end? ? ')' : ']'}"
+          end
+
           def determine_encoding_of_strings_in_array(value)
             case value
             when ::Array then determine_encoding_of_strings_in_array(value.first)