Change the contents of the waypoints of the Yandex Maps route?

Question

MySQL

Tell me, please, I can’t change the contents of the route points after dragging, I want to display information there, but it doesn’t work. Here is an example:
https://jsfiddle.net/LL0aaL87/4/

Answer 1

You can, probably. Try to get the execution plan of the query and see where the full fetches are and if they can be avoided if they are executed multiple times. Also, use indexing.