On Mon, Dec 19, 2016 at 11:23 AM, Alvaro Herrera <alvhe...@2ndquadrant.com>
> David G. Johnston wrote:
> > Being able to do more conditional work in psql would make setting up more
> > robust scripts easier and without either losing transaction capabilities
> > session pooling for improved performance when large numbers of small
> > commands are run in between flow control in done in bash.
> Have you tried to script processes in shell using a single background
> psql process with which the shell code communicates using a pipe? I've
> long been curious about that approach, but never had a strong need
> enough to actually write the code. It should be possible.
I've envisioned and read up a bit on the approach but the cost-benefit
hasn't yet made actually doing it worthwhile.
I do pretty much myself run all of the scripts I've been writing - the
cost-benefit ratio is likely to change once they are turned over to a
non-programmer to run.