For even more detail, https://github.com/petergeoghegan/pg_hexedit https://github.com/petergeoghegan/pg_hexedit With further blog posts https://pgeoghegan.blog

For even more detail, https://github.com/petergeoghegan/pg_hexedit https://github.com/petergeoghegan/pg_hexedit With further blog posts https://pgeoghegan.blogspot.co.uk/2017/11/pghexedit-rich-hex-editor-annotations.html https://pgeoghegan.blogspot.co.uk/2017/11/pghexedit-rich-hex... and http://pgeoghegan.blogspot.co.uk/2018/01/exploring-sp-gist-and-brin-indexes.html http://pgeoghegan.blogspot.co.uk/2018/01/exploring-sp-gist-a...