This post glosses over it, but larger fields are stored via the TOAST mechanism [1], which does support compression. [1]: https://www.postgresql.org/docs/curre

This post glosses over it, but larger fields are stored via the TOAST mechanism [1], which does support compression. [1]: https://www.postgresql.org/docs/current/storage-toast.html https://www.postgresql.org/docs/current/storage-toast.html