On 2018-09-21 18:28:37 -0600, Rob Sargent wrote: > "/tmp/regen.file" gets very large, very fast and I have to > pg_terminate_backend. Tried this three times, once using "\o test.blob" > instead. > > h009357:loader$ ls -ltr > total 2048 > -rwxr-xr-x 1 u0138544 camplab 10002460672 Sep 21 15:49 test.blob I suspect the layouting of such wide columns problably creates a lot of pain. I'd try \copy and doing the query after \a. Greetings, Andres Freund