That's a pretty bad idea.. You need to recompile everything that links
to libpq (as stated in the 7.3.1 docs).
They wouldn't have changed the version number if they hadn't changed
the API...
> I had this problem when I upgraded from 7.3.0 to 7.3.1. I use RedHat
> 8.0. I do not have libpq.so.2 on the system.
>
> I used the following command:
>
> ln /usr/lib/libpg.so.3 /usr/lib/libpg.so.2 -s
>
> Restarted Apache, and everything worked fine.
>
>
> Tim.
>
-Mitch
