Consistently, an option name is used in the error messages where
applicable. Also, change the code to use pg_fatal() instead of a
combination of pg_log_error() and exit().
Author: vignesh C <vignesh21@gmail.com> Reviewed-by: Hayato Kuroda <kuroda.hayato@fujitsu.com> Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CALDaNm0HxF1RH27LP7VisLzNsSJbssy8a64M5p6UduDaBq6-ag@mail.gmail.com