I feel that a discussion of ltree is incomplete without discussion of manipulating the tree. e.g. splicing, cutting, moving, deleting branches [1] etc. Also, ho

I feel that a discussion of ltree is incomplete without discussion of manipulating the tree. e.g. splicing, cutting, moving, deleting branches [1] etc. Also, how ltree uses Gist indexes [2]. Reference: [1] http://patshaughnessy.net/2017/12/14/manipulating-trees-using-sql-and-the-postgres-ltree-extension http://patshaughnessy.net/2017/12/14/manipulating-trees-usin... [2] http://patshaughnessy.net/2017/12/15/looking-inside-postgres-at-a-gist-index http://patshaughnessy.net/2017/12/15/looking-inside-postgres...