I can't believe this article doesn't mention the (first-party) ltree extension: https://hoverbear.org/blog/postgresql-hierarchical-structures/#solution-2-ltree-

I can't believe this article doesn't mention the (first-party) ltree extension: https://hoverbear.org/blog/postgresql-hierarchical-structures/#solution-2-ltree-columns https://hoverbear.org/blog/postgresql-hierarchical-structure...