Improve psql tab completion for transforms, domains and sequences
The following improvements are done:
- Addition of some tab completion for CREATE DOMAIN.
- Addition of some tab completion for CREATE TRANSFORM.
- Addition of type completion for CREATE SEQUENCE AS.
Author: Ken Kato
Reviewed-by: Kyotaro Horiguchi, Michael Paquier
Discussion: https://postgr.es/m/
8d370135aef066659eef8e8fbfa6315b@oss.nttdata.com