Caching the #database_version for a bit of performance. I doubt this will dynamically change and/or someone will be using connection pools with different DB versions.

metaskills · metaskills · commit f549de52c48a · 2008-11-03T17:03:55.000-05:00
diff --git a/lib/active_record/connection_adapters/sqlserver_adapter.rb b/lib/active_record/connection_adapters/sqlserver_adapter.rb
@@ -307,7 +307,7 @@ def supports_ddl_transactions?
       end
       
       def database_version
-        select_value "SELECT @@version"
+        @database_version ||= select_value('SELECT @@version')
       end
       
       def database_year
