def change do
drop_if_exists index(:activities, ["(data #> '{\"object\",\"tag\"}')"], using: :gin, name: :activities_tags)
- create index(:objects, ["(data->'tag')"], using: :gin, name: :objects_tags)
+ create_if_not_exists index(:objects, ["(data->'tag')"], using: :gin, name: :objects_tags)
end
end