1 files changed, 12 insertions, 11 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 20cc205b0d..51ed2bf8f2 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -67,6 +67,7 @@ module ActiveRecord
       include QueryCache
       include ActiveSupport::Callbacks
       include ColumnDumper
+      include Savepoints
 
       SIMPLE_INT = /\A\d+\z/
 
@@ -153,7 +154,7 @@ module ActiveRecord
       end
 
       def valid_type?(type)
-        true
+        false
       end
 
       def schema_creation
@@ -247,6 +248,11 @@ module ActiveRecord
         false
       end
 
+      # Does this adapter support expression indices?
+      def supports_expression_index?
+        false
+      end
+
       # Does this adapter support explain?
       def supports_explain?
         false
@@ -298,6 +304,11 @@ module ActiveRecord
         false
       end
 
+      # Does this adapter support multi-value insert?
+      def supports_multi_insert?
+        true
+      end
+
       # This is meant to be implemented by the adapters that support extensions
       def disable_extension(name)
       end
@@ -399,12 +410,6 @@ module ActiveRecord
         @connection
       end
 
-      def create_savepoint(name = nil)
-      end
-
-      def release_savepoint(name = nil)
-      end
-
       def case_sensitive_comparison(table, attribute, column, value)
         if value.nil?
           table[attribute].eq(value)
@@ -426,10 +431,6 @@ module ActiveRecord
       end
       private :can_perform_case_insensitive_comparison_for?
 
-      def current_savepoint_name
-        current_transaction.savepoint_name
-      end
-
       # Check the connection back in to the connection pool
       def close
         pool.checkin self