It doesn't have hints but you can turn off the ability for the query planner to use certain types of operations. And let me tell you that the Postgresql query planner does screw up. And the way to fix it is to turn off its ability to use certain operations and then run your query, yes it's not a hint, but it's necessary to make postgresql work.

They should change the FAQ to 'we don't have hints because we're so arrogant that we think our query planner is perfect'.