clearing statements on disconnect and reset

activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb

@@ -80,9 +80,15 @@ module ActiveRecord
 
       def disconnect!
         super
+        @statements.clear
         @connection.close rescue nil
       end
 
+      def reset!
+        @statements.clear
+        super
+      end
+
       def supports_count_distinct? #:nodoc:
         sqlite_version >= '3.2.6'
       end