+Syntax
+ plantuner.forbid_index (deprecated)
+ plantuner.disable_index
+ List of indexes invisible to planner
+ plantuner.enable_index
+ List of indexes visible to planner even they are hided
+ by plantuner.disable_index.
+ plantuner.only_index
+ List of explicitly enabled indexes (overload plantuner.disable_index
+ and plantuner.enable_index), so, only indexes in this list are allowed.
+