On Mon, Apr 15, 2019 at 09:01:45PM -0400, Tom Lane wrote: > Noah Misch <[email protected]> writes: > >> Perhaps I should write the 'SELECT 1 + 1' to a regular file and redirect > >> input > >> from that file. > > Actually ... we don't need to run a query at all do we?
No. We expect never to run one; it was there for the unexpected case of "postgres --single" startup succeeding. I pushed a change to close the stdin of "postgres --single" instead of writing to it. I probably worried that "postgres --single" would not tolerate that, but it seems to.
