4 files changed, 17 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 2400fc92cc..eecf4faa5d 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -305,10 +305,6 @@ module ActiveRecord
         pool.checkin self
       end
 
-      def valid_type?(type)
-        true
-      end
-
       protected
 
       def log(sql, name = "SQL", binds = [])
@@ -330,6 +326,10 @@ module ActiveRecord
         # override in derived class
         ActiveRecord::StatementInvalid.new(message)
       end
+
+      def valid_types?(type)
+        true
+      end
     end
   end
 end
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 e3ad5594d2..de5232f960 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -582,10 +582,6 @@ module ActiveRecord
         @config.fetch(:strict, true)
       end
 
-      def valid_type?(type)
-        !native_database_types[type].nil?
-      end  
-
       protected
 
       # MySQL is too stupid to create a temporary table for use subquery, so we have
@@ -751,6 +747,10 @@ module ActiveRecord
         # ...and send them all in one query
         execute("SET #{encoding} #{variable_assignments}", :skip_logging)
       end
+
+      def valid_type?(type)
+        !native_database_types[type].nil?
+      end  
     end
   end
 end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 2af60ad0a2..271a6848ee 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -655,10 +655,6 @@ module ActiveRecord
         @use_insert_returning
       end
 
-      def valid_type?(type)
-        !native_database_types[type].nil?
-      end
-
       protected
 
         # Returns the version of the connected PostgreSQL server.
@@ -891,6 +887,10 @@ module ActiveRecord
         def table_definition
           TableDefinition.new(self)
         end
+
+        def valid_type?(type)
+          !native_database_types[type].nil?
+        end
     end
   end
 end
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index 91444950be..b644e7bd60 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -602,6 +602,11 @@ module ActiveRecord
             super
           end
         end
+
+        def valid_type?(type)
+          true
+        end
+
     end
   end
 end