On Fri, Jan 10, 2025 at 10:13 AM Vladlen Popolitov <v.popolitov@xxxxxxxxxxxxxx> wrote: > If you really need 1-byte integer, you can use "char" type. Cast it > to/from int. See comment at the end of the page > https://www.postgresql.org/docs/17/datatype-character.html Hi. What would be the best online doc to learn about the physical storage / format for rows/pages/btree, etc... To understand alignment, packing, varint or not, all those things. I'm quite familiar with the [SQLite format][1], having read that doc dozens of times, and I'd like a better low-level understanding for PostgreSQL as well. TIA, --DD [1]: https://www.sqlite.org/fileformat.html
