Ron Johnson <ronljohnsonjr@gmail.com> writes: > On Mon, Feb 17, 2025 at 4:36 PM Tom Lane <tgl@sss.pgh.pa.us> wrote: >> It's not pulling in the TOAST storage where the bytea column lives. >> (pg_prewarm wouldn't have either, without special pushups.)
> Puzzling, since I ran "PERFORM *". What if I explicitly mentioned the > bytea column's name?
You'd have to do something that actually used the column's value, perhaps "md5(byteacol)" or such. (The obvious candidate would be length(), but I think that is optimized to not fetch or decompress the whole value.)