1 files changed, 14 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 97bc5edd4b..1c3d10c15d 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -979,14 +979,22 @@ module ActiveRecord
         end
 
         class MysqlString < Type::String # :nodoc:
-          private
-
-            def casted_true
-              MySQL::Quoting::QUOTED_TRUE
+          def serialize(value)
+            case value
+            when true then MySQL::Quoting::QUOTED_TRUE
+            when false then MySQL::Quoting::QUOTED_FALSE
+            else super
             end
+          end
+
+          private
 
-            def casted_false
-              MySQL::Quoting::QUOTED_FALSE
+            def cast_value(value)
+              case value
+              when true then MySQL::Quoting::QUOTED_TRUE
+              when false then MySQL::Quoting::QUOTED_FALSE
+              else super
+              end
             end
         end