- drop_if_exists index(:users, [], name: :users_trigram_index)
- create index(:users, ["(trim(nickname || ' ' || name)) gist_trgm_ops"], name: :users_trigram_index, using: :gist)
+ drop_if_exists(index(:users, [], name: :users_trigram_index))
+
+ create_if_not_exists(
+ index(:users, ["(trim(nickname || ' ' || coalesce(name, ''))) gist_trgm_ops"],
+ name: :users_trigram_index,
+ using: :gist
+ )
+ )