YMMV. That depends on your workload, how your data is structured and a million other things. I know a few shops with heavy usage that couldn't be happier.
It may require handholding if you are not happy with the plans it is generating. Also the quality of the query planner results will depend a lot on how up to date the statistics are.
It may require handholding if you are not happy with the plans it is generating. Also the quality of the query planner results will depend a lot on how up to date the statistics are.