Noah Misch <n...@leadboat.com> writes: > On Mon, Apr 15, 2019 at 08:08:48PM -0400, Tom Lane wrote: >> I interpret this as "the single-user backend exited before we could stuff >> 'SELECT 1 + 1' down the pipe to it, and the Perl script is not expecting >> to get a write failure there".
> Perhaps I should write the 'SELECT 1 + 1' to a regular file and redirect input > from that file. Yeah, that was the first idea that occurred to me as well. Kinda grotty, but ... Another idea is to shove the problem off on a sub-shell, that is run echo SELECT 1 + 1 | postgres --single ... regards, tom lane