I have multi-select
attribute name location like : Delhi , Maharashtra, Karnataka.
I want to use sort by of filter by in such way when I use above filter / sort it should show all products but product with matching attributes should show on top.
for example if I am using filter/sort with value as Maharashtra all products should show on listing page but products with value Maharashtra will be on top .
I can not find any way to do same please help with it how can it be done.