040000 tree b3a164cf32a5ac109ad161bb12755507116d99a3	aggregation
040000 tree 7eedaafd38bc9d5ccb6b0c6a62a899ab78571101	common
040000 tree cd2c8789d712e2c036f2744ce3fba791c73e1ed3	exception
040000 tree 85d797b1417e35946c1fe6d23638e55980a4bb4f	execution
040000 tree f03fdba4763baa4cba82eee232b2ecdb6be0abef	plan
040000 tree a73640d2addf4ce72f8011f28d54b1830ecfb967	statistics
040000 tree 3eeb6c8c79cc56af91a9a42da28ea59fbc2373f0	transformation